Research Papers


The following papers, published in international refereed journals, have used data obtained with the telescopes of Skinakas Observatory. A histogram of the publications as a function of time is available here.



    2018 - [11]

  1. Ahnen, M. L., Ansoldi, S., Antonelli, L. A., Arcaro, C., Babić, A., Banerjee, B., Bangale, P., Barresde Almeida, U., Barrio, J. A., BecerraGonzález, J., and 269 coauthors, "Extreme HBL behavior of Markarian 501 during 2012", (2018), A&A, 620, A181.

  2. Słowikowska, A., Krzeszowski, K., Żejmo, M., Blinov, D. & Reig, P., "Optical linear polarization of helium-rich white dwarfs samplewith the RoboPol polarimeter", (2018), MNRAS, 479, 5312.

  3. Reig, P. & Blinov, D., "Warped disks during type II outbursts in Be/X-ray binaries: evidence from optical polarimetry", (2018), A&A, 619, A19.

  4. Angelakis, E., Kiehlmann, S., Myserlis, I., Blinov, D., Eggen, J., Itoh, R., Marchili, N. & Zensus, J. A., "Optical polarisation variability of radio-loud narrow-line Seyfert 1 galaxies. Search for long rotations of the polarisation plane", (2018), A&A, 618, A92.

  5. Skalidis, R., Panopoulou, G. V., Tassis, K., Pavlidou, V., Blinov, D., Komis, I. & Liodakis, I., "Local measurements of the mean interstellar polarization at high Galactic latitudes", (2018), A&A, 616, A52.

  6. Ibryamov, S., Semkov, E., Peneva, S. & Karadeniz, U. \u . {g . }ur ., "Multicolor photometric behavior of the young stellar object V1704 Cygni", (2018), Bulgarian Astronomical Journal, 29, 10.

  7. Reig, P. & Zezas, A., "Discovery of X-ray pulsations in the Be/X-ray binary IGR J06074+2205", (2018), A&A, 613, A52.

  8. Pittori, C., Lucarelli, F., Verrecchia, F., Raiteri, C. M., Villata, M., Vittorini, V., Tavani, M., Puccetti, S., Perri, M., Donnarumma, I., and 27 coathours, "The Bright γ-ray Flare of 3C 279 in 2015 June: AGILE Detection and Multifrequency Follow-up Observations", (2018), ApJ, 856, 99.

  9. Ibryamov, S. I., Semkov, E. H. & Peneva, S. P., "V2492 Cygni: Optical BVRI Variability During the Period 2010-2017", (2018), Publications of the Astronomical Society of Australia, 35, e007.

  10. Blinov, D., Pavlidou, V., Papadakis, I., Kiehlmann, S., Liodakis, I., Panopoulou, G. V., Angelakis, E., Baloković, M., Hovatta, T., King, O. G., Kus, A., Kylafis, N., Mahabal, A., Maharana, S., Myserlis, I., Paleologou, E., Papamastorakis, I., Pazderski, E., Pearson, T. J., Ramaprakash, A., Readhead, A. C. S., Reig, P., Tassis, K. & Zensus, J. A., "RoboPol: connection between optical polarization plane rotations and gamma-ray flares in blazars", (2018), MNRAS, 474, 1296.

  11. Słowikowska, A.; Krzeszowski, K.; Żejmo, M.; Blinov, D.; Reig, P., "Optical polarimetry studies of white dwarfs", (2018), CoSka..48..245.



  12. 2017 - [13]

  13. Raiteri, C. M.; Nicastro, F.; Stamerra, A.; Villata, M.; Larionov, V. M.; Blinov, D.; Acosta-Pulido, J. A.; Arévalo, M. J.; Arkharov, A. A.; Bachev, R.; and 52 coauthors "Synchrotron emission from the blazar PG 1553+113. An analysis of its flux and polarization variability", 2017, MNRAS, 466, 3762

  14. Liodakis, I.; Blinov, D.; Papadakis, I.; Pavlidou, V., "Estimating the distribution of rest-frame time-scales for blazar jets: a statistical approach", 2017, MNRAS, 465, 4783

  15. Semkov, Evgeni H.; Peneva, Stoyanka P.; Ibryamov, Sunay I., "Photometric and spectroscopic study of the new FUor star V2493 Cyg", 2017, BlgAJ, 26, 57

  16. Żejmo, Michał; Słowikowska, Aga; Krzeszowski, Krzysztof; Reig, Pablo; Blinov, Dmitry, "Optical linear polarization of 74 white dwarfs with the RoboPol polarimeter", 2017, MNRAS,464, 1294

  17. Reig, P.; Blay, P.; Blinov, D., "The optical counterpart to the Be/X-ray binary SAX J2239.3+6116", 2017, A&A, 598, A16

  18. Itumeleng M. Monageng, Vanessa A. McBride, Malcolm J. Coe, Iain A. Steele, Pablo Reig, "On the relationship between circumstellar disc size and X-ray outbursts in Be/X-ray binaries", 2017, MNRAS, 464, 572

  19. Nasiroglu, Ilham; Goździewski, Krzysztof; Słowikowska, Aga; Krzeszowski, Krzysztof; Żejmo, Michał; Zola, Staszek; Er, Huseyin; Ogłoza, Waldemar; Dróżdż, Marek; Koziel-Wierzbowska, Dorota; Debski, Bartlomiej; Karaman, Nazli, "Is There a Circumbinary Planet around NSVS 14256825?", 2017, AJ, 153, 137

  20. Bąkowska, K.; Olech, A.; Pospieszyński, R.; Świerczyński, E.; Martinelli, F.; Rutkowski, A.; Koff, R.; Drozd, K.; Butkiewicz-Bąk, M.; Kankiewicz, P., "MN Draconis: a peculiar, active dwarf nova in the period gap", 2017, A&A, 603A, 72

  21. Semkov, Evgeni H.; Ibryamov, Sunay I.; Peneva, Stoyanka P., "A deep decrease event in the brightness of the PMS star V350 Cep", 2017, BlgAJ, 27, 75

  22. Gaur, Haritma; Gupta, Alok; Bachev, Rumen; Strigachev, Anton; Semkov, Evgeni; Wiita, Paul; Gu, Minfeng; Ibryamov, Sunay "Multi-Band Intra-Night Optical Variability of BL Lacertae", 2017, Galax, 5, 94

  23. Kiehlmann, S.; Blinov, D.; Pearson, T. J.; Liodakis, I., "Optical EVPA rotations in blazars: testing a stochastic variability model with RoboPol data", 2017, MNRAS, 472, 3589

  24. M.I. Carnerero, C.M. Raiteri, M. Villata, J.A. Acosta-Pulido, V.M. Larionov, P.S. Smith, F. D'Ammando for the GASP-WEBT collaboration "Dissecting the long-term emission behaviour of the BL Lac object Mrk 421", 2017, MNRAS, 472, 3789

  25. Makoto Uemura, Ryosuke Itoh, Ioannis Liodakis, Dmitry Blinov, Masanori Nakayama, Longyin Xu, Naoko Sawada, Hsiang-Yun Wu, Issei Fujishiro, "Optical polarization variations in the blazar PKS 1749+096", 2017, PASJ, 69, 96



  26. 2016 - [11]

  27. Panopoulou, G. V.; Psaradaki, I.; Tassis, K. "The magnetic field and dust filaments in the Polaris Flare", 2016, MNRAS, 462, 1517

  28. Larionov, V. M.; Villata, M.; Raiteri, C. M., et al, "Exceptional outburst of the blazar CTA 102 in 2012: the GASP-WEBT campaign and its extension", 2016, MNRAS, 461, 3047

  29. Fuhrmann, L.; Angelakis, E.; Zensus, J. A., et al., "The F-GAMMA program: Multi-frequency study of Active Galactic Nuclei in the Fermi era. Program description and the first 2.5 years of monitoring", 2016, A&A, 596 A45

  30. Angelakis, E.; Hovata, T.; Blinov, D., et al., "RoboPol: the optical polarization of gamma-ray-loud and gamma-ray-quiet blazars", 2016, MNRAS, 463, 3365

  31. Blinov, D.; Pavlidou, V.; Papadakis, I., et al., "RoboPol: Do optical polarization rotations occur in all blazars?" 2016, MNRAS, 462, 2011

  32. Gupta, Alok C.; Agarwal, A.; Bhagwan, J.; Strigachev, A.; Bachev, R.; Semkov, E.; Gaur, H.; Damljanovic, G.; Vince, O.; Wiita, Paul J., "Multiband optical variability of three TeV blazars on diverse time-scales", 2016, MNRAS, 458, 1127

  33. Reig, P. Milonaki, F., "Accretion regimes in the X-ray pulsar 4U 1901+03", 2016, A&A, 594, A45

  34. Reig, P.; Nersesian, A.; Zezas, A., Gkouvelis, L.; Coe, M. J., "Long-term optical variability of high-mass X-ray binaries. II. Spectroscopy", 2016, A&A, 590, A122

  35. Blinov, D.; Pavlidou, V.; Papadakis, I. E. et al., "RoboPol: optical polarization-plane rotations and flaring activity in blazars", 2016, MNRAS, 457, 2252

  36. Schmitt, J. H. M. M.; Kanbach, G.; Rau, A., and H. Steinle, "Optical microflaring on the nearby flare star binary UV Ceti", 2016, A&A, 589, A48

  37. Ibryamov, Sunay I.; Semkov, Evgeni H., "Photometric variability of 14 PMS stars in the NGC 7000/IC 5070 complex", 2016, BlgAJ, 24, 62I



    2015 - [16]

  38. Agarwal, Aditi, Gupta, Alok C., Bachev, R., Strigachev, A., Semkov, E., Wiita, Paul J., Böttcher, M., Boeva, S.; Gaur, H., Gu, M.F., Peneva, S., Ibryamov, S., "Multiband optical-NIR variability of blazars on diverse time-scales", 2015, MNRAS, 451, 3882

  39. Akras, S., Boumis, P., Meaburn, J., Alikakos, J., López, J. A., Gonçalves, D. R., "Evidence for a [WR] or WEL-type binary nucleus in the bipolar planetary nebula Vy 1-2", 2015, MNRAS, 451, 3882

  40. Blinov, D., Pavlidou, V., Papadakis, I., Kiehlmann, S., Panopoulou, G., Liodakis, I., King, O. G., Angelakis, E., Baloković, M., Das, H., and 19 coauthors, "RoboPol: first season rotations of optical polarization plane in blazars", 2015, MNRAS, 453, 1669

  41. Furniss, A. et al., "First NuSTAR Observations of Mrk 501 within a Radio to TeV Multi-Instrument Campaign", 2015, ApJ, 812, 65

  42. Gaur, H. et al., "Optical and radio variability of BL Lacertae", 2015, A&A, 582, 103

  43. Gaur, H. et al., "Nature of intranight optical variability of BL Lacertae", 2015, MNRAS, 452, 4263

  44. Goździewski, K., Słowikowska, A., Dimitrov, D., Krzeszowski, K., Żejmo, M., Kanbach, G., Burwitz, V., Rau, A., Irawati, P., Richichi, A., Gawroński, M., Nowak, G., Nasiroglu, I., Kubicki, D., "The HU Aqr planetary system hypothesis revisited",   2015, MNRAS, 448, 1118

  45. Ibryamov, S. Semkov, E., Peneva, S., "Long-term BVRI light curves of 5 pre-main sequence stars in the field of "Gulf of Mexico"",   2015, Bulgarian Astronomical Journal, Vol. 22, p. 3

  46. Ibryamov, S. Semkov, E., Peneva, S., "Long-Term Multicolour Photometry of the Young Stellar Objects FHO 26, FHO 27, FHO 28, FHO 29, and V1929 Cygni",   2015, Publications of the Astronomical Society of Australia, Volume 32, e011 doi:10.1017/pasa.2015.21

  47. Raiteri, C.M. et al. ,"The WEBT campaign on the BL Lac object PG 1553+113 in 2013. An analysis of the enigmatic synchrotron emission", 2015, MNRAS, 454, 353

  48. Reig, P., Fabregat, J.,"Long-term variability of high-mass X-ray binaries. I. Photometry", 2015, A&A, 574A, 33

  49. Panopoulou, G., Tassis, K., Blinov, D., Pavlidou, V., King, O. G., Paleologou, E., Ramaprakash, A., Angelakis, E., Baloković, M., Das, H. K., and 19 coauthors, "Optical polarization map of the Polaris Flare with RoboPol", 2015, MNRAS, 452, 715

  50. Semkov, E.H. et al.,"The Unusual Photometric Variability of the PMS Star GM Cep", 2015, Publications of the Astronomical Society of Australia, Volume 32, e011 doi:10.1017/pasa.2015.11.

  51. Semkov, E.H., Peneva, S.P., Ibryamov, S.I.,"The pre-main-sequence star V1184 Tauri (CB 34V) at the end of prolonged eclipse", 2015, A&A, 582, 113

  52. Shafter, A. W. et al.,"Recurrent Novae in M31", 2015, ApJ Supp, 216, 34

  53. Vučetić, M. M., Arbutina, B., Urošević, D., "Optical supernova remnants in nearby galaxies and their influence on star formation rates derived from Halpha emission",   2015, MNRAS, 446, 943



    2014 - [14]

  54. Aleksic, J., Ansoldi, S., Antonelli, L. A., Antoranz, P., Babic, A., Bangale, P., Barrio, J. A., Becerra González, J., Bednarek, W., Bernardini, E., and 139 coauthors, "MAGIC search for VHE gamma-ray emission from AE Aquarii in a multiwavelength context", 2014, A&A, 568, 109

  55. Bachev, R., Strigachev, A., Semkov, E., Boeva, S., Peneva, S., Ibryamov, S., Stoyanov, K., Spassov, B., Tsvetkova, S., Mihov, B., and 2 coauthors, "Photometric reverberation mapping of Markarian 279", 2014, Bulgarian Astronomical Journal, Vol. 20, p. 26

  56. Gaidos, E., Anderson, D. R., Lépine, S., Colón, K. D., Maravelias, G., Narita, N., Chang, E., Beyer, J., Fukui, A., Armstrong, J. D., and 5 coauthors, "Trawling for transits in a sea of noise: a search for exoplanets by analysis of WASP optical light curves and follow-up (SEAWOLF)",   2014, MNRAS, 437, 3133

  57. Gaur, Haritma, "Optical Spectral Variability of Blazars", 2014, Journal of Astrophysics and Astronomy, Volume 35, Issue 3, pp.241-245

  58. Ibryamov, S. Semkov, E., Peneva, S., "A long-term UBVRI photometric study of the pre-main sequence star V350 Cep", 2014, Research in Astronomy and Astrophysics, Volume 14, Issue 10, article id. 1264-1268

  59. King, O. G., Blinov, D., Giannios, D., Papadakis, I., Angelakis, E., Balokovic, M., Fuhrmann, L., Hovatta, T., Khodade, P., Kiehlmann, S., and 16 coauthors, "Early-time polarized optical light curve of GRB 131030A",   2014, MNRAS, 445, L114

  60. King, O. G., Blinov, D., Ramaprakash, A. N., Myserlis, I., Angelakis, E., Balokovic, M., Feiler, R., Fuhrmann, L., Hovatta, T., Khodade, P., and 19 coauthors, "The RoboPol pipeline and control system",  2014, MNRAS, 442 1706

  61. Pavlidou, V., Angelakis, E., Myserlis, I., Blinov, D., King, O. G., Papadakis, I., Tassis, K., Hovatta, T., Pazderska, B., Paleologou, E., and 16 coauthors, "The RoboPol optical polarization survey of gamma-ray-loud blazars",   2014, MNRAS, 442, 1693

  62. Poljancic, Beljan I., Jurdana-Sepic, R., Semkov, E. H., Ibryamov, S., Peneva, S. P., Tsvetkov, M. K., "Long-term photometric observations of pre-main sequence objects in the field of North America/Pelican Nebula", 2014, A&A, 568, 49

  63. Reig, P. & Zezas, A., "Discovery of X-ray pulsations in the Be/X-ray binary IGR J21343+4738" 2014, MNRAS, 442, 472

  64. Reig, P., Zezas, A., "Disc-loss episode in the Be shell optical counterpart to the high-mass X-ray binary IGR J21343+4738", 2014, A&A, 561, A13

  65. Reig, P. , Blinov, D., Papadakis, I., Kylafis, N., Tassis, K., "The high optical polarization in the Be/X-ray binary EXO 2030+375", 2014, MNRAS, 445, 4235

  66. Reig, P., Doroshenko, V., Zezas, A., "The quiescent state of the accreting X-ray pulsar SAX J2103.5+4545", 2014, MNRAS, 445, 1314

  67. Semkov, Evgeni H., Peneva, Stoyanka P., Ibryamov, Sunay I., Dimitrov, Dinko P., "The unusual photometric behavior of the new FUor star V2493 Cyg (HBC 722)",   2014, Bulgarian Astronomical Journal, Vol. 20, p.59



    2013 - [5]

  68. Kapanadze, Bidzina Z., "Catalog and Statistical Study of X-Ray Selected BL Lacertae Objects",   2013, AJ, 145, 189

  69. Leonidaki, I., Boumis, P., Zezas, A., "A multiwavelength study of supernova remnants in six nearby galaxies - II. New optically selected supernova remnants",   2013, MNRAS, 429, 189

  70. Semkov, E. H., Peneva, S. P., Munari, U., Dennefeld, M., Mito, H., Dimitrov, D. P., Ibryamov, S., Stoyanov, K. A., "Photometric and spectroscopic variability of the FUor star V582 Aurigae", 2013, A&A, 556, 60

  71. Raiteri, C. M., Villata, M., D'Ammando, F., Larionov, V. M., Gurwell, M. A., Mirzaqulov, D. O., Smith, P. S., Acosta-Pulido, J. A., Agudo, I., Arévalo, M. J., and 68 coauthors, "The awakening of BL Lacertae: observations by Fermi, Swift and the GASP-WEBT", 2013, MNRAS, 436, 1530

  72. Zaninoni, E., Bernardini, M.G., Margutti, R., Oates, S., Chincarini, G., "Gamma-ray burst optical light-curve zoo: comparison with X-ray observations",   2013, A&A, 557, 12



    2012 - [14]

  73. Bachelet, E., et al., "A brown dwarf orbiting an M-dwarf: MOA 2009-BLG-411L", 2012, A&A, 547, 55

  74. Gaur, H., Gupta, A., C., Strigachev, A., Bachev, R., Semkov, E., Wiita, P. J., Peneva, S., Boeva, S., Slavcheva-Mihova, L., Mihov, B., Latev, G., Pandey, U. S., "Optical flux and spectral variability of Blazars", 2012, MNRAS, 425, 3002

  75. Galan, C., et al., "International observational campaigns of the last two eclipses in EE Cephei: 2003 and 2008/9", 2012, MNRAS, 424, 2626

  76. Semkov, E., Peneva, S. P., Munari, U., Tsvetkov, M. K., Jurdana-Sepic, R., de Miguel, E., Schwartz, R. D., Dimitrov, D. P., Kjurkchieva, D. P., Radeva, V. S. "Optical photometric and spectral study of the new FU Orionis object V2493 Cygni (HBC 722)" 2012, A&A, 542, 43

  77. Gaur, H., Gupta, A.C., Strigachev, A., Bachev, R., Semkov, E., Wiita, P. J., Peneva, S., Boeva, S., Kacharov, N., Mihov, B., Ovcharov, E., "Quasi-simultaneous two-band optical variability of the blazars 1ES 1959+650 and 1ES 2344+514", 2012, MNRAS, 420, 3147

  78. Gozdziewski, K., Nasiroglu, I., Slowikowska, A., Beuermann, K., Kanbach, G., Gauza, B., Maciejewski, A.J., Schwarz, R., Schwope, A. D., Hinse, T. C., Haghighipour, N., Burwitz, V., Slonina, M., Rau, A., "On the HU Aquarii planetary system hypothesis", 2012, MNRAS, (in press)

  79. Liakos, A., Niarchos, P., Budding, E., "A fresh insight on the evolutionary status and third body hypothesis of the eclipsing binaries AD And, AL Cam and V338 Her", 2012, A&A, 539, 129

  80. Liakos, A., Niarchos, P., Soydugan, E., Zasche, P., "Survey for δ Sct components in eclipsing binaries and new correlations between pulsation frequency and fundamental stellar characteristics", 2012, MNRAS, 422, 1250

  81. Liakos, A., Niarchos, P., "A new photometric and spectroscopic study of the eclipsing binaries CC Her and CM Lac: Physical parameters and evolutionary status", 2012, Ap&SS, Volume 340, Issue 2, pp.281-289

  82. Maravelias, G., Kardasis, E., Strikis, I.-M., Georgalas, B., Koutoulaki, M.. "Report From the epsilon Aurigae Campaign in Greece", 2012, The Journal of the American Association of Variable Star Observers, vol. 40, no. 2, p. 679

  83. Nasiroglu, I., Słowikowska, A., Kanbach, G., Haberl, F., "Very fast photometric and X-ray observations of the intermediate polar V2069 Cygni (RX J2123.7+4217)", 2012, MNRAS, 420, 3350

  84. Nespoli, E., Reig, P., & Zezas, A., "New insights into the Be/X-ray binary system MXB 0656-072", 2012, A&A, 547, A103

  85. Rossi, A., et al. "A deep search for the host galaxies of gamma-ray bursts with no detected optical afterglow", 2012, A&A, 545, 77

  86. Semkov, E. H., Peneva, S. P. "Optical photometry of GM Cep: evidence for UXor type of variability", 2012, Ap&SS, 338, 95

    2011 - [6]

  87. Bitsakis, T., Charmandaris, V., da Cunha, E., Díaz-Santos, T., Le Floc'h, E., Magdis, G., "A mid-IR study of Hickson compact groups. II. Multiwavelength analysis of the complete GALEX-Spitzer sample", 2011, A&A, 533, 142

  88. Ksanfomality, L. V., "Study of the unknown hemisphere of mercury by ground-based astronomical facilities", 2011, SoSyR, 45, 281

  89. Lampens, P., Strigachev, A., Kim, S.-L., et al., "Multi-site, multi-year monitoring of the oscillating Algol-type eclipsing binary CT Herculis", 2011, A&A, 534, 111

  90. Liakos, A., Bonfini, P., Niarchos, P., Hatzidimitriou, D., "Photometry and spectroscopy of the newly discovered eclipsing binary GSC 4589-2999", 2011, Astronomische Nachrichten, Vol.332, Issue 6, p.602

  91. Semkov, Evgeni & Peneva, Stoyanka, "The new FUor star HBC 722 - one year after the outburst", 2011, BlgAJ, 17, 88

  92. Reig, P., "Be/X-ray binaries", 2011, Ap&SS, 332, 1

    2010 - [9]

  93. Fouqué, P.,et al., “OGLE 2008-BLG-290: an accurate measurement of the limb darkening of a galactic bulge K Giant spatially resolved by microlensing”, 2010, A&A, 518, 51

  94. Günther, H. M. et al., “The absence of sub-minute periodicity in classical T Tauri stars”, 2010, A&A, 518, 54

  95. Meusinger, H., Henze, M., Birkle, K., Pietsch, W., Williams, B., Hatzidimitriou, D., Nesci, R., Mandel, H., Ertel, S., Hinze, A., Berthold, T., "J004457+4123 (Sharov 21): not a remarkable nova in M 31 but a background quasar with a spectacular UV flare", 2010, A&A, 512, 1

  96. Peneva, S.P., Semkov, E.H., Munari, U., Birkle, K., "A long-term photometric study of the FU Orionis star V 733 Cephei", 2010, A&A, 515, 24

  97. Pietsch, W., "X-ray emission from optical novae in M 31", 2010, Astronomische Nachrichten, Vol.331, Issue 2, p.187

  98. Reig, P., Zezas, A., Gouvelis, L., "The optical counterpart to IGR J06074+2205: a Be/X-ray binary showing disc loss and V/R variability", 2010, A&A, 522, 107

  99. Reig, P., Slowikoska, A., Zezas, A., Blay, P., "Correlated optical/X-ray variability in the high-mass X-ray binary SAX J2103.5+4545", 2010, MNRAS, 401, 55

  100. Semkov, E.H., Peneva, S.P., Munari, U., Milani, A., Valisa, P., "The large amplitude outburst of the young star HBC 722 in NGC 7000/IC 5070, a new FU Orionis candidate", 2010, A&A, 523, 3

  101. Uytterhoeven, K. et al., "Ground-based follow-up in relation to Kepler asteroseismic investigation", 2010, Astronomische Nachrichten, Vol.331, Issue 9/10, p.993

    2009 - [9]

  102. Anderhub, H. et al., "Correlated X-Ray and Very High Energy Emission in the Gamma-Ray Binary LS I +61 303", 2009, ApJ, 706, 27

  103. Bonfini, P., Hatzidimitriou, D., Pietsch, W., Reig, P., "Spectroscopy of the bright optical counterparts of X-ray sources in the direction of M 31", 2009, A&A, 507, 705

  104. Boumis, P., Meaburn, J., Lloyd, M., Akras, S., "A long trail behind the planetary nebula HFG1 (PK 136+05) and its pre-cataclysmic binary central star V664 Cas", 2009, MNRAS, 396, 1186

  105. Boumis, P., Xilouris, E. M., Alikakos, J., Christopoulou, P. E., Mavromatakis, F., Katsiyannis, A. C., Goudis, C. D., "Discovery of optical emission from the supernova remnant G 32.8-0.1 (Kes 78)", 2009, A&A, 499, 789

  106. Gandhi, P., “The Flux-Dependent rms Variability of X-Ray Binaries in the Optical”, 2009, ApJ Letters, 697, 167

  107. Mavromatakis, F., Boumis, P., Meaburn, J., Caulet, A., “A new candidate supernova remnant G 70.5+1.9”, 2009, A&A, 503, 129

  108. Papadaki, C., Boffin, H.M.J., Stanishev, V., Boumis, P. Akras, S., Sterken, C., "Photometric study of selected cataclysmic variables II. Time-series photometry of nine systems", 2009, JAD, 15, 1

  109. Peneva, S. P., Semkov, E. H., Stavrev, K. Y., "Photometric study of the FUor star V 1735 Cyg (Elias 1-12)", 2009, Ap&,SS, 323, 329

  110. Schwarz, R., Schwope, A.D., Vogel, J., Dhillon, V.S., Marsh, T.R., Copperwheat, C., Littlefair, S.P., Kanbach, G., "Hunting high and low: XMM monitoring of the eclipsing polar HU Aquarii", 2009, A&A, 496, 833

    2008 - [8]

  111. Bachev, R., Strigachev, A., Semkov, E., Mihov, B., "Spectroscopy of bright quasars: emission lines and internal extinction", 2008, A&A, 488, 977

  112. Boumis, P., Alikakos, J., Christopoulou, P. E., Mavromatakis, F., Xilouris, E. M., Goudis, C. D., “First optical detection of the supernova remnant G 15.1-1.6”, 2008, A&A, 481, 705

  113. Ksanfomality, L. V., "The surface of Mercury from ground-based astronomical observations" 2008, SoSyR, 42, 451

  114. Mihov, B. Bachev, R., Slavcheva-Mihova, L., Strigachev, A., Semkov, E., Petrov, G., “Photometric monitoring of the blazar 3C 345 for the period 1996-2006”, 2008, Astronomische Nachrichten, 329, 77

  115. Peneva, Stoianka P. & Semkov, Evgeni H., "Photometric monitoring of FUORs and EXORs" 2008, BlgAJ, 10, 29

  116. Raiteri, C. M., “A new activity phase of the blazar 3C 454.3. Multifrequency observations by the WEBT and XMM-Newton in 2007-2008”, 2008, A&A, 491, 755

  117. Semkov, E. H., Tsvetkov, M.K., Borisova, A.P., Stavrev, K.Y., Kroll, P., Berthold, T., Birkle, K., Mandel, H., Mito, H., Tarusawa, K., "A long-term photometric study of V 1184 Tauri" 2008, A&A, 483, 537

  118. Stefanescu, A., Kanbach, G., Słowikowska, A., Greiner, J., McBreen, S., Sala, G., “Very fast optical flaring from a possible new Galactic magnetar”, 2008, Nature, 455, 503

    2007 - [8]

  119. Boumis, P., Meaburn, J., Alikakos, J., Redman, M.P., Akras, S., Mavromatakis, F., López, J.A., Caulet, A., Goudis, C.D., “Deep optical observations of the interaction of the SS 433 microquasar jet with the W50 radio continuum shell”, 2007, MNRAS, 381, 308

  120. Hatzidimitriou, D., Reig, P., Manousakis, A., Pietsch, W., Burwitz, V., Papamastorakis, I., "M31N 2005-09c: a fast Fe II nova in the disk of M31", 2007, A&A, 464, 1075

  121. Howarth, I.D., et al. "Towards an understanding of the Of?p star HD 191612: optical spectroscopy", 2007, MNRAS, 381, 433

  122. Mavromatakis, F., Xilouris, E.M., Boumis, P., "The optical properties of the G89.0+4.7 (HB 21) supernova remnant", 2007, A&A, 461, 991

  123. Papadakis, I. E., Villata, M., Raiteri, C. M., “The long-term optical spectral variability of BL Lacertae”, 2007, A&A, 470, 857

  124. Raiteri, C. M., “WEBT and XMM-Newton observations of 3C 454.3 during the post-outburst phase. Detection of the little and big blue bumps”, 2007, A&A, 473, 819

  125. Reig, P., Larionov, V., Negueruela, I., Arkharov, A.A., Kudryavtseva, N.A., "The Be/X-ray transient 4U 0115+63/V635 Cassiopeiae. III. Quasi-cyclic variability", 2007, A&A, 462, 281

  126. Smith, R., Vaughan, S., "X-ray and optical variability of Seyfert 1 galaxies as observed with XMM-Newton", 2007, MNRAS, 375, 1479

    2006 - [13]

  127. Blay, P., Negueruela, I., Reig P., Coe, M.J., Corbet, R.H.D., Fabregat, J., Tarasov, A.E., "Multiwavelength monitoring of BD +53°2790, the optical counterpart to 4U 2206+54", 2006, A&A, 446, 1095

  128. Boumis, P., Meaburn, J., Redman, M. P., Mavromatakis, F., "A deep mosaic of [O III]5007 Å CCD images of the environment of the LBV star P Cygni", 2006, A&A, 457, 1

  129. Boumis, P., Akras, S., Xilouris, E.M., Mavromatakis, F., Kapakos, E., Papamastorakis, J., Goudis, C.D., "New planetary nebulae in the Galactic bulge region with l > 0°- II", 2006, MNRAS, 367, 1551

  130. Coe, M.J., Reig, P., McBride, V.A., Galache, J.L., Fabregat, J., "A 0535+26: back in business", 2006, MNRAS, 368, 447

  131. Georgantopoulos, I., Nandra, K., Brotherton, M., Georgakakis, A., Papadakis, I.E., O'Neill, P., "XMM-Newton and Chandra observations of SHEEP sources", 2006, MNRAS, 367, 1727

  132. Hatzidimitriou, D., Pietsch, W., Misanovic, Z., Reig, P., Haberl, F., "Spectroscopy of the brightest optical counterparts of X-ray sources in the direction of M31 and M33", 2006, A&A, 451, 835

  133. Ksanfomality, L. V., "Earth-based optical imaging of Mercury" 2006, AdSpR, 38, 594

  134. Nordhagen, S., Herbst, W., Williams, E.C., Semkov, E., "The Recurrent Eclipse of an Unusual Pre-Main-Sequence Star in IC 348", 2006, ApJ, 646, 2

  135. Papadaki, C., Boffin, H.M.J., Sterken, C., Stanishev, V., Cuypers, J., Boumis, P., Akras, S., and Alikakos, J., "Photometric study of selected cataclysmic variables", 2006, A&A, 456, 599

  136. Patsis, P. A. & Xilouris, E. M., "Boxy/peanut `bulges': comparing the structure of galaxies with the underlying families of periodic orbits" 2006, MNRAS, 366, 1121

  137. Raiteri, C., et al., "Multifrequency variability of the blazar AO 0235+164. The WEBT campaign in 2004-2005 and long-term SED analysis", 2006, A&A, 459, 731

  138. Semkov, E.H., "Photometric and spectroscopic variability of the pre-main sequence star V 1184 Tauri (CB 34V)", 2006, AN, 327, 4, 328

  139. Xilouris, E.M., Papadakis, I.E, Boumis, P., Dapergolas, A., Alikakos, J., Papamastorakis, J., Smith, N., Goudis, C.D., "B and I-band optical micro-variability observations of the BL Lac objects S5 2007+777 and 3C 371", 2006, A&A, 448, 143

    2005 - [16]

  140. Bachev, R., Strigachev, A., Semkov, E., "Short-term optical variability of high-redshift quasi-stellar objects", 2006, MNRAS, 358, 774

  141. Boumis, P., Mavromatakis, F., Xilouris, E. M., Alikakos, J., Redman, M. P., Goudis, C.D., "Deep optical observations of the supernova remnants G 126.2+1.6, G 59.8+1.2 and G 54.4-0.3", 2005, A&A 443, 175

  142. Böttcher, M., et al., "Coordinated Multiwavelength Observation of 3C 66A during the WEBT Campaign of 2003-2004", 2005, ApJ, 631, 169

  143. Mavromatakis, F., Boumis, P., Xilouris, E., Papamastorakis, J., Alikakos, J., "The faint supernova remnant G116.5+1.1 and the detection of a new candidate remnant", 2005, A&A , 435, 141

  144. Meaburn, J., Boumis, P., López, J.A., Harman, D.J., Bryce, M., Redman, M.P., Mavromatakis, F., "The creation of the Helix planetary nebula (NGC 7293) by multiple events", 2005, MNRAS, 360, 963

  145. Mikolajewski, M., et al., "Preliminary Photometric Results for the 2003 Eclipse of EE CEP", 2005, Ap&SS, 296, 445

  146. Ksanformality, L., Papamastorakis, G., Thomas, N., "The Planet Mercury: Synthesis of resolved images of unknown part in the longitude range 250-290 degrees W", 2005, Planetary and Space Science, 53, 849

  147. Ksanfomality, L. V., "Resolved Images of an Unknown Sector on the Surface of Mercury" 2005, AstL, 31, 767

  148. Raiteri, C.M., et al., " The WEBT campaign to observe AO 0235+16 in the 2003-2004 observing season. Results from radio-to-optical monitoring and XMM-Newton observations", 2005, A&A, 438, 39

  149. Sciare, J., Oikonomou, K., Cachier, H., Mihalopoulos, N., Andreae, M. O., Maenhaut, W., & Sarda-Estève, R., "Aerosol mass closure and reconstruction of the light scattering coefficient over the Eastern Mediterranean Sea during the MINOS campaign" 2005, ACP, 5, 2253S

  150. Reig, P., Negueruela, I., Papamastorakis, G., Manousakis, A., Kougentakis, T., "Identification of the optical counterparts of high-mass X-ray binaries through optical photometry and spectroscopy", 2005, A&A, 440, 637

  151. Reig, P., Negueruela, I., Fabregat, J., Chato, R., Coe, M.J., "Long-term optical/IR variability of the Be/X-ray binary LS V +44 17/RX J0440.9+4431", 2005, A&A, 440, 1079

  152. Sciare, J., Oikonomou, K., Cachier, H., Mihalopoulos, N., Andreae, M. O., Maenhaut, W., & Sarda-Estève, "Aerosol mass closure and reconstruction of the light scattering coefficient over the Eastern Mediterranean Sea during the MINOS", 2005, ACPD, 5, 2427

  153. Sciare, J., Oikonomou, K., Cachier, H., Mihalopoulos, N., Andreae, M. O., Maenhaut, W., & Sarda-Estève, R., "Aerosol mass closure and reconstruction of the light scattering coefficient over the Eastern Mediterranean Sea during the MINOS campaign", 2005, ACP, 5, 2253

  154. van Cauteren, P., Lampens, P., Robertson, C. W., & Strigachev, A., "Search for intrinsic variable stars in three open clusters: NGC 1664, NGC 6811, NGC 7209", 2005, CoAst, 146, 21

  155. Wilson, C.A., Weisskopf, M. C., Finger, M. H., Coe, M. J., Greiner, J., Reig P., Papamastorakis, G., "Discovery of a Be/X-ray Binary Consistent with the Position of GRO J2058+42", 2005, ApJ, 622, 1024

    2004 - [16]

  156. Bachev, R. & Strigachev, A., "Optical continuum variability of the active galaxy Mrk 279 - implications for different accretion regimes", 2004, AN, 325, 317

  157. Boumis, P., Meaburn, J., Lopez, J.A., Mavromatakis, F., Redman, M.P., Harman, D.J., Goudis, C.D., "The kinematics of the bi-lobal supernova remnant G 65.3+5.7 - Paper II", 2004, A&A, 424, 583

  158. Georgantopoulos, I., Papadakis, I., Zezas, A., & Ward, M. J., "X-Ray Luminous Galaxies. II. Chandra and XMM-Newton Observations of the ``Composite'' Galaxy IRAS 20051-1117" 2004, ApJ, 614, 634

  159. Hatzidimitriou, D., Antoniou, V., Papadakis, I., Kaltsa, M., Papadaki, C., Papamastorakis, I., & Croke, B. F. W., "BVRI photometry of the galactic globular cluster NGC 6779", 2004, MNRAS, 348, 1157

  160. Mavromatakis, F., Aschenbach, B., Boumis, P., Papamastorakis, J., "Multi-wavelength study of the G82.2+5.3 supernova remnant", 2004, A&A, 415, 1051

  161. Mavromatakis, F., Xilouris, E., Boumis, P., "The supernova remnant G6.4-0.1 and its environment", 2004, A&A, 426, 567

  162. Mavromatakis, F., Papamastorakis, J., Ventura, J., & Boumis, P., "Optical supernova remnant observations from Skinakas Observatory", 2004, AdSpR, 33, 480"

  163. Meaburn, J., Boumis, P., Redman, M.P. Lopez, J.A., Mavromatakis, F., "Candidates for giant lobes projecting from the LBV stars P Cygni and R 143", 2004, A&A, 422, 603

  164. Nandra, K., Georgantopoulos, I., Brotherton, M., Papadakis, I.E., "X-ray and optical counterparts of hard X- ray selected sources from the SHEEP survey, first results", 2004, MNRAS,, 347, 41

  165. Reig, P., Negueruela, I., Fabregat, J., Chato, R., Blay, P., Mavromatakis, F., "Discovery of the optical counterpart to the X-ray pulsar SAX J2103.5+4545", 2004, A&,A, 421, 673

  166. Papadakis, I.E., Samaritakis, V., Boumis, P., Papamastorakis, J., "Multi-band optical micro-variability observations of the BL Lac object S4 0954+658", 2004, A&A, 426, 437

  167. Semkov, E. H., "A new dep minimum in the light curve of the PMS star V1184 Tauri (CB34V)", 2004, A&A, 419, 59

  168. Strigachev, A., Lampens, P., "Multicolor CCD measurements of nearby visual double stars. II", 2004, A&A, 422, p.1023

  169. Walborn, Nolan R. et al., "A Period and a Prediction for the Of?p Spectrum Alternator HD 191612", 2004, ApJ, 617, 61

  170. Villata, M., et al, "The WEBT BL Lacertae Campaign 2001 and its extension, Optical light curves and colour analysis 1994-2002", 2004, A&A, 421, 103

  171. Villata, M., et al, "The WEBT campaigns on BL Lacertae. Time and cross-correlation analysis of optical and radio light curves 1968-2003", 2004, A&A, 424, 497

    2003 - [14]

  172. Boettcher, M., et al., "Coordinated Multiwavelength Observations of BL Lacertae in 2000", 2003, ApJ, 596, 847

  173. Boller, Th., Voges, W., Dennefeld, M., Lehmann, I., Predehl, P., Burwitz, V., Perlman, E., Gallo, L., Papadakis, I.E., Anderson, S., "1ES 1927+654: Persistent and rapid X-ray variability in an AGN with low intrinsic neutral X-ray absorption and narrow optical emission lines", 2003, A&A, 397, 557

  174. Boumis, P., Paleologou, E.V., Mavromatakis, F., Papamastorakis, J., "New Planetary Nebulae in the Galactic Bulge Region with l>00-I. Discovery method and first results", 2003, MNRAS, 339, 735

  175. Ksanfomality, L. V., "Solar System Research", 2003, SoSyR, 37, 469

  176. Malzac, J.; Belloni, T., Spruit, H.C., Kanbach, G., "The optical and X-ray flickering of XTE J1118+480", 2003, A&A, 407, 335

  177. Mavromatakis, F., "Deep optical observations of the supernova remnant G78.2+2.1", 2003, A&A, 408, 237

  178. Mavromatakis, F., "Optical line emission from the supernova remnant G 73.9+0.9", 2003, A&A, 398, 153

  179. Mavromatakis, F., Boumis, P., Goudis, C.D., "The faint supernova remnant G 34.7-0.4 (W44)", 2003, A&A, 405, 591

  180. Nakos, Th., Ofek, E.O., Boumis, P., Cuypers, J., Sinachopoulos, D., van Dessel, E., Gal-Yam, A., Papamastorakis, J., "A catalog of secondary photometric standard stars around gravitational lenses", 2003, A&A, 402, 1157

  181. Papadakis, I.E., Boumis, P., Samaritakis, V., Papamastorakis, J., "Multi-band optical micro-variablility observations of BL Lacertae", 2003, A&A, 397,565

  182. Raiteri, C.M., et al., "Optical and radio behaviour of the BL Lacertae object 0716+714*", 2003, A&A, 402, 151

  183. Reig, P., Ribo, M., Paredes, J.M., Marti, J., "Long- Term X- Ray variability of the microquasar system LS 5039/RX J1826.2-1450", 2003, A&A, 405, 285

  184. Sciare, J., Cachier, H., Oikonomou, K., Ausset, P., Sarda-Estève, R., & Mihalopoulos, N., "Characterization of carbonaceous aerosols during the MINOS campaign in Crete, July-August 2001: a multi-analytical approach", 2003, ACPD, 3, 3373

  185. Semkov E. H., "Photometric and spectroscopic study of V 1184 Tauri", 2003, A&A, 404, 655

    2002 - [9]

  186. Boumis, P., Mavromatakis, F., Paleologou, E., "First optical light from the supernova remnant G 17.4-2.3", 2002, A&A, 385, 1042

  187. Boumis, P., Mavromatakis, F., Paleologou, E.V., Becker, W., "New optical filamentary structures in Pegasus", 2002, A&A, 396, 225

  188. Hynes, R.I., et al, "Spectroscopic observations of the candidate sgB[e]/X-ray binary CI Camelopardalis", 2002, A&A, 392, 991

  189. Mavromatakis, F., Boumis, P., Paleologou, E., "Optical observations of the supernova remnant G 69.4+ 1.2", 2002, A&A, 387, 635

  190. Mavromatakis, F., Boumis, P., Paleologou, E., "Imaging and spectroscopy of the faint remnant G 114.3+0.3", 2002, A&A, 383, 1011

  191. Mavromatakis, F., Boumis, P., Papamastorakis, J., Ventura, J., "Deep optical observations of G 65.3+5.7", 2002, A&A, 388, 355

  192. Mavromatakis, F., Strom, R.G., "A new candidate supernova remnant in Cygnus", 2002, A&A, 382, 291

  193. Spruit, H.C., Kanbach, G., "Correlated X-ray and optical variability in KV UMa", 2002, A&A, 391, 225

  194. Villata, M., et al, "The WEBT BL Lacertae Campaign 2000", 2002, A&A, 390, 407

    2001 - [11]

  195. Clark, J.S., Reig, P., Goodwin, S.P., Larionov, V.M., Blay, P., Coe, M.J., Fabregat, J., Negueruela, I., Papadakis, I, Steele, I.A., "On the radio emitting high mass X-ray binary LS 5039", 2001, A&A, 376, 476

  196. Kanbach, G., Straubmeier, C., Spruit, H.C., Belloni, T., "Correlated fast X-ray and optical variability in the black hole candidate XTE J1118+480", 2001, Nature, 414, 180

  197. Lampens, P., Strigachev, A., "Multicolor observations of nearby visual double stars, "New CCD measurements and orbits", 2001, A&A, 368, 572

  198. Mavromatakis, F., Papamastorakis, J., Paleologou, E.V., "The physical structure of the planetary nebula NGC 6781", 2001, A&A, 374, 280

  199. Mavromatakis, F., Papamastorakis, J., Ventura, J., Becker, W., Paleologou, E.V., Schaudel, D., "The supernova remnants G 67.7+1.8, G 31.5-0.6 and G 49.2-0.7", 2001, A&A, 370, 265

  200. Mavromatakis, F., Ventura, J., Paleologou, E.V., Papamastorakis, J., "The peculiar supernova remnant CTB 80", 2001, A&A, 371, 300

  201. Miroshnichenko, A.S., Fabregat, J.J., Bjorkman, K.S., Knauth, D.C., Morrison, N.D., Tarasov, A.E., Reig, P., Negueruela, I., Blay, P., "Spectroscopic observations of the δ Scorpii binary during its recent periastron passage", 2001, A&A, 377, 485

  202. Misiriotis, A., Popescu, C.C., Tuffs, R., Kylafis, N.D., "Modeling the spectral energy distribution of galaxies", 2001, A&A, 372, 775

  203. Shemmer, O., et al. "Multiwavelength monitoring of the narrow line Seyfert 1 galaxy AKN 564. III. Optical observations and the optical-UV-X-Ray connection", 2001, ApJ, 561, 162

  204. Sinachopoulos, D., Nakos, Th., Boumis, P., van Dessel, E., Burger, M., Rodriguez-Gil, P., "Photometric variability of the gravitational lens 0142-100 (UM 673)", 2001, AJ, 122, 1692

  205. Straubmeier, C., Kanbach, G., & Schrey, F., "OPTIMA: A Photon Counting High-Speed Photometer" 2001, ExA, 11, 157

    2000 - [9]

  206. Alton, P.B., Rand, R.J., Xilouris, E.M., Bevan, S., Ferguson, A.M., Davies J.I., Bianchi, S., "Dust outflows from quiescent spiral disks", 2000, A&A Supl. Ser, 145, 83

  207. Doyle, L.R., et al. "Observational limits on terrestrial-sized inner planets around the CM Draconis system using the photometric transit method with a matched - filter algorithm", 2000, AJ, 535, 338

  208. Mavromatakis, F., Papamastorakis, J., Paleologou, E.V., Ventura, J., "Optical CCD imaging of the supernova remnant CTA 1.", 2000, A&A, 353, 371

  209. Negueruela, I., Reig, P., Clark, J.S., "The nature of 1WGA J1958.2+3232: A new intermediate polar", 2000, A&A, 354, 29

  210. Papadakis, I., Hatzidimitriou, D., Croke, B.F.W., Papamastorakis, J., "The NGC 6426 RR Lyrae varables and horizontal-branch morphology", 2000, A&A, 119, 851

  211. Popescu, C.C., Misiriotis, A., Kylafis, N.D., Tuffs, R.J., Fischera, J., "Modeling the spectral energy distribution of galaxies", 2000, A&A, 362, 138

  212. Reig, P., Negueruela, I., Coe, M.J., Fabregat, J., Tasov, A.E., Zamanov, R.K., "Correlated V/R and infrared photometric variations in the Be/X-ray binary LS I+610", 2000, MNRAS, 317, 205

  213. Roy, M., Papadakis, I., Ramos-Colon, E., Sambruna, R., Tsinganos, K., Papamastorakis, J., Kafatos, M., "The recent high state of the BL LACERTAE object AO 0235 and cross-correlation between otical and radio bands", 2000, AJ, 545, 758

  214. Szegoe, K., et al., "Physics of Mass Loaded Plasmas", 2000, Space Science Reviews, 94, 429

    1993-1999 - [11]

  215. Hatzidimitriou, D., Papadakis, I., Croke, B.F.W., Papamastorakis, J., Paleologou, E.V., Xanthopoulos, E., Haerendel, G., "The age of NGC6426, a metal-poor globular cluster in the galactic halo", 1999, A&A 117, 3059

  216. Xilouris, E.M., Byun, Y.I., Kylafis, N.D., Paleologou, E.V., Papamastorakis, J., "Are spiral galaxies optically thin or thick?", 1999, A&A, 344, 868

  217. Bianchi, S., Alton, P.B., Davies, J.I., "SCUBA imaging of the NGC 7331 dust ring", 1998, MNRAS, 298, 49

  218. Xilouris, E.M., Alton, P.B., Davies, J.I., Kylafis, N.D., Papamastorakis, J., Trewhella, M., "Optical and NIR modelling of NGC 891", 1998, A&A, 331, 894

  219. Megeath, S.T., Wilson, T.L., "The NGC 281 west cluster. I. Star formation in photoevaporating clumps.", 1997, AJ, 114, 1106

  220. Fischer, Ch. Th., Haerendel, G., Bogdanov, A.T., "Dynamics of Structures in the Plasma Tail of Comet Hale-Bopp", 1997, Earth, Moon and Planets 77, 279

  221. Xilouris, E.M., Kylafis, N.D., Papamastorakis, J., Paleologou, E.V., Haerendel, G., "The distribution of stars and dust in spiral galaxies: the edge-on spiral UGC 2048", 1997, A&A, 325, 135

  222. Xilouris, K.M., Papamastorakis, J., Paleologou, E., Terzian, Y., "The shaping of aging planetary nebulae", 1996, A&A, 310, 603

  223. Xilouris, K.M., Papamastorakis, J., Sokolov, N., Paleologou, E., Reich, W., "Discovery of the new emission nebula G4.4+6.4", 1994, A&A, 290, 639

  224. Papamastorakis, J., Xilouris, K.M., Paleologou, E.V., "Morphological study of the extended halo around the Dumbbell Nebula (NGC 6853)", 1993, A&A, 279, 536

  225. Xilouris, K.M., Papamastorakis, J.,Paleologou, E.V., Andredakis, Y., Haerendel, G., "Detection of optical emission in the area of G127.1+0.5", 1993, A&A, 270, 393