FBS 1642+853

All names: GALEX J163215.7+851359, GALEX J163215.5+851358, Gaia DR2 1724609414373827072, GALEXJ16322+8513, Gaia DR3 1724609414373827072, TYC 4651-1475-1, TIC 160185239, FBS B 1092, 2MASS J16321437+8513589, FBS 1642+853

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 16 32 15.58 16 32 14.35 (0.03)
Declination 85 13 58.91 85 13 58.81 (0.04)
Spectral type sdB sdB
Effective temperature [K] 33590.0 (810)
log(g) [cgs] 5.47 (0.1)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.30 (0.04) 2.21 (0.03)
Distance [pc] 435.12 (7) 453.45 (7)
Composition
Proper motion (right ascension) [mas/yr] 2.343 (0.06) 2.453 (0.04)
Proper motion (declination) [mas/yr] -22.251 (0.09) -22.19 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.03 (0.08)
V magnitude 12.53 (0.2)
R magnitude
I magnitude
J magnitude 12.85 (0.02) 12.85 (0.02)
H magnitude 12.99 (0.03) 12.99 (0.03)
K magnitude 13.11 (0.04) 13.11 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.34 (0.0004) 12.32 (0.003)
BP magnitude 12.15 (0.009)
RP magnitude 12.54 (0.001)
Pan g magnitude 11.96
Pan r magnitude 12.44
Pan i magnitude 12.81
Pan z magnitude 13.13 (0.002)
Pan y magnitude 13.30 (0.006)
E(B-V) 0.119

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.