Φίλτρα

 

Κατάλογος φίλτρων Johnson-Cousins

Description

Central

Wavelength

(Å)

FWHM

(Å)

Peak

Transmission

(%)

Diameter

(mm)

Thickness

(mm)

Manufacturer

U 3640 320 63 75.9   Custom Scientific
B 4350 980 72 75.9 8.9 Custom Scientific
V 5380 980 88 75.9 8.9 Custom Scientific
R 6300 1180 82 76.0 9.1 Custom Scientific
I 8940 3370 96 75.9 8.9 Custom Scientific

 

 

Κατάλογος φίλτρων Strömgren

Description

Central

Wavelength

(Å)

FWHM

(Å)

Peak

Transmission

(%)

Diameter

(mm)

Thickness

(mm)

Manufact.

u 3500 330 57     Custom Scient.
v 4110 170 67     Custom Scient.
b 4685 183 83     Custom Scient.
y 5493 235 84     Custom Scient.
Hbeta wide (4869?) 4890 145 80 76 10.2 Omega Optical
Hbeta narrow (4864) 4869 32 80 75.8 6 Spectrofilm.

 

 

Κατάλογος συμβολομετρικών φίλτρων

Description

Center Wavelength

(Å)

FWHM

(Å)

Peak

Transmission

(%)

Refraction

Index

Diameter

(mm)

Thickness

(mm)

Weight

(gr)

Manuf

[OII]3727 3727 25 60 2       Custom Sc.
[OIII]4363 4363 10 35 2 75.8 6.6 80 Omega
HeII4696 4687 20 46 2 75.8 5.8 70 Omega
Hβ4861 4864 28 65 2.1 76 10.2 105 Spectrofilm
[OIII]5007 5010 28 63 2.1 76 10.2 105 Spectrofilm
[NII]5755 5755 10 52 2 75.8 6.6 80 Omega
HeI5876 5877 20 54 2 75.8 5.8 70 Omega
Ha6563 6563 10 52 2 75.8 6.6 80 Omega
Ha+[NII] 6575 20 48 2 75.8 5.8 70 Omega
Ha+[NII] 6570 75 80 2.1 76 10.5 105 Spectrofilm
[NII] 6584 20 60 2  75.8  5  - Omega
[SII]6716 6716 10 47 2 75.8 6.6 80 Omega
[SII]6720 6720 27 80 2.1 76 6.3 70 Spectrofilm
[SII]6731 6731 10 57 2 75.8 6.6 80 Omega
[SII]6735 6735 30 48 2 76 5.75 70 Omega
[SIII] 9069 20 70 2  75.8  - Omega
Continuum 6096 134 - - 76 6.5 70 Spectrofilm