SDSS J081531.79+020706.6

All names: GALEX J081531.7+020707, SDSS J081531.78+020706.6, Gaia DR2 3090011369249657728, SDSS J081531.79+020706.63, Gaia EDR3 3090011369249657728, Gaia DR3 3090011369249657728, SDSS J081531.79+020706.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 08 15 31.78 (5) 08 15 31.79 08 15 31.78 (12) 08 15 31.78 (5)
Declination 02 07 06.49 (6) 02 07 06.63 02 07 06.49 (12) 02 07 06.49 (6)
Spectral type DA DA
Effective temperature [K] 9261.0 (121)
log(g) [cgs] 8.08 (0.2)
Mass [M☉] 0.643 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.65 (0.1) 21.65 (0.1) 21.65 (0.1)
g magnitude 21.01 (0.03) 21.01 (0.03) 21.01 (0.03)
r magnitude 20.96 (0.05) 20.96 (0.05) 20.96 (0.05)
i magnitude 20.81 (0.07) 20.81 (0.07) 20.81 (0.07)
z magnitude 21.22 (0.3) 21.22 (0.3) 21.22 (0.3)
G magnitude 20.87 (0.3) 21.02 20.87 (0.02)
BP magnitude 20.78 (0.3)
RP magnitude 20.33 (0.2)
Pan g magnitude 20.98 (0.04)
Pan r magnitude 21.01 (0.04)
Pan i magnitude 21.07 (0.04)
Pan z magnitude 20.92 (0.01)
Pan y magnitude
E(B-V)

* Constant surface field

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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.