The Faber photometric system
Basic Reference
Faber S.M. 1973, Astron. Astrophys. Suppl. 10, 201
Abstract
Measurements of 148 stars on a 10-color photometric system are presented.
The magnitudes have been calibrated absolutely through the observations
of standard stars. The reddening-free ultraviolet excess d(38-41)
correlates closely with [Fe/H] for G dwarfs. However, the relationship
between the cyanogen anomaly, dCm(41-42) , and [Fe/H] for G and K giants
is unclear for stars more metal-rich than the Sun. Various interpretations
of the data are discussed.
Content
Access to the data and references
Asiago Database on Photometric System (ADPS)
Indices and Parameters
C35-55, C38-55, C41-55, C42-55, C45-55, C52-55, C62-55, C67-55, C74-55
Filters
- 35 : DDO, Wood
- lam_eff : 3450 Å ; Width : 390 Å
- 38 : DDO
- lam_eff : 3803 Å ; Width : 140 Å
- 41 : DDO
- lam_eff : 4167 Å ; Width : 79 Å
- 42 : DDO
- lam_eff : 4257 Å ; Width : 82 Å
- 45 : DDO
- lam_eff : 4517 Å ; Width : 84 Å
- 52 : Wood
- lam_eff : 5162 Å ; Width : 54 Å
- 55 : Wood
- lam_eff : 5545 Å ; Width : 214 Å
- 62 : Wood
- lam_eff : 6222 Å ; Width : 108 Å
- 67 : Wood
- lam_eff : 6702 Å ; Width : 131 Å
- 74 : Wood
- lam_eff : 7415 Å ; Width : 188 Å
Photomultiplier
ITT FW-130
Transformations
The transformation relations are valid for stars with B-V < 1.30
To the DDO system
- (35-41)ddo = +0.977 C35-41 - 0.815
- (38-41)ddo = -0.067 C38-41**2 + 1.048 C38-41 - 0.116
- (41-42)ddo = +0.139 C41-42**2 + 0.879 C41-42 + 0.040
- (42-45)ddo = -0.009 C42-45**2 + 0.971 C42-45 + 0.321
- (45-48)ddo = +0.007 C45-55**2 + 0.486 C54-55 + 0.859
To Wood's system
- (35-55)w = -0.001 C35-55**2 + 1.001 C35-55 + 0.092
- (49-55)w = +0.050 C45-55**2 + 0.715 C45-55 + 0.032
- (52-55)w = -0.028 C52-55**2 + 0.877 C52-55 + 0.005
- (62-55)w = -0.214 C62-55**2 + 1.100 C62-55 - 0.001
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Last update: 13 September 2002