The Vilnius photometric system

Basic Reference

Kakaras G., Straizys V., Sudzius J., Zdanavicius K. 1966, Bull. Vilnius Obs. 22, 3

Abstract

Content

Access to the data and references

Asiago Database on Photometric System (ADPS)

Indices and Parameters

V, U-P, P-X, X-Y, Y-Z, Z-V, V-S

Filters

U : 1.5 mm BS 5 + 10 mm UFS 2
Mean wavelength : 3450 Å ; Width : 400 Å
P : 2 mm SZS 22 + 2.7 mm UFS 6
Mean wavelength : 3740 Å ; Width : 260 Å
X : 3.2 ZhS 4 + 6.2 mm ZS 7 + 1.8 mm SZS 21 + 1 mm FS 7
Mean wavelength : 4050 Å ; Width : 220 Å
Y : 5.2 mm ZhS 12 + 2.6 mm SZS 21 + 2 mm SS 15
Mean wavelength : 4660 Å ; Width : 260 Å
Z : 2 mm ZhS 17 + 3.1 mm ZS 7 + 10 mm SZS 22
Mean wavelength : 5160 Å ; Width : 210 Å
V : 1.5 mm OS 11 + 5 mm SZS 22 + 2 mm PS 7
Mean wavelength : 5440 Å ; Width : 260 Å
T : Interference
Mean wavelength : 6250 Å ; Width : 200 Å
S : Interference
Mean wavelength : 6560 Å ; Width : 200 Å

Transmission curves

Photomultiplier

FEU-79, multialcali S20 cathode

Transformations

To (B-V) in the Johnson system:

(B-V) = -0.33 + 0.50 [(X-V) + (Y-V)] for B-V < 0.8


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Last update: 13 September 2002