The uvgr photometric system
Basic Reference
Thuan T.X., Gunn J.E. 1976, Publ. Astron. Soc. Pacific 88, 543
Abstract
The characteristics of a new four-color uvgr intermediate-band photometric
system, which avoids several pitfalls of the standard UBV system, are
described. A set of standard stars is given.
Content
Access to the data and references
Asiago Database on Photometric System (ADPS)
Indices and Parameters
g, g-r, u-v, v-g
Filters
- u : 1 mm Schott BG38 + 4 mm Schott UG11
- Lam_eff : 3530 Å ; Width : 400 Å
- v : 3 mm Schott BG38 + 4 mm Schott UG3 + 1 mm Schott BG1 + 1 mm Schott GG13
- Lam_eff : 3980 Å ; Width : 400 Å
- g : Corion interference filter
- Lam_eff : 4930 Å ; Width : 700 Å
- r : 3 mm Schott RG16 + Balzers B1 short pass interference filter
- Lam_eff : 6550 Å ; Width : 900 Å
Photomultiplier
Standard S20 photocathode
Please, send your
commentsto epaunzen@physics.muni.cz
epaunzen@physics.muni.cz
Last update: 13 September 2002