GALEX J082503.5+210634

All names: Gaia DR3 664164190647132288, Gaia DR2 664164190647132288, GALEX J082503.5+210634, SDSSJ082503.58+210633.7, SDSS J082503.58+210633.7

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 08 25 03.58 08 25 03.58 (0.2)
Declination 21 06 33.77 21 06 33.84 (0.09)
Spectral type sdB+MS sdB+?
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.25 (0.3) 0.17 (0.2)
Distance [pc] 3996.80 (4046) 5727.38 (5731)
Composition
Proper motion (right ascension) [mas/yr] -1.196 (0.4) -0.381 (0.2)
Proper motion (declination) [mas/yr] 0.312 (0.3) 0.028 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.69 (0.02) 18.69 (0.02)
g magnitude 18.22 (0.006) 18.22 (0.006)
r magnitude 18.23 (0.008) 18.23 (0.008)
i magnitude 18.28 (0.009) 18.28 (0.009)
z magnitude 18.32 (0.03) 18.32 (0.03)
G magnitude 18.20 (0.002) 18.17 (0.003)
BP magnitude 18.28 (0.01)
RP magnitude 17.93 (0.02)
Pan g magnitude 18.25 (0.008)
Pan r magnitude 18.24 (0.003)
Pan i magnitude 18.28 (0.007)
Pan z magnitude 18.38 (0.007)
Pan y magnitude 18.40 (0.01)
E(B-V) 0.032

* 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.