GALEX J085809.1+252134

All names: Gaia DR3 691397787996760704, SDSS J085809.09+252134.6, LAMOST J085809.09+252134.6, SDSSJ085809.09+252134.6, GALEX J085809.1+252134, Gaia DR2 691397787996760704

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 08 58 09.09 08 58 09.09 (0.2)
Declination 25 21 34.60 25 21 34.65 (0.1)
Spectral type sdB sdB
Effective temperature [K] 30870.0 (230)
log(g) [cgs] 5.52 (0.09)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.31 (0.5) 0.31 (0.5)
Distance [pc] 3264.77 (5274) 3264.77 (5274)
Composition
Proper motion (right ascension) [mas/yr] -0.404 (0.6) -1.397 (0.3)
Proper motion (declination) [mas/yr] -2.872 (0.3) -2.65 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.24 (0.01) 18.24 (0.01)
g magnitude 18.48 (0.008) 18.48 (0.008)
r magnitude 19.00 (0.01) 19.00 (0.01)
i magnitude 19.34 (0.02) 19.34 (0.02)
z magnitude 19.64 (0.07) 19.64 (0.07)
G magnitude 18.79 (0.002) 18.75 (0.003)
BP magnitude 18.60 (0.02)
RP magnitude 19.09 (0.05)
Pan g magnitude 18.58 (0.006)
Pan r magnitude 19.01 (0.005)
Pan i magnitude 19.36 (0.009)
Pan z magnitude 19.64 (0.01)
Pan y magnitude 19.63 (0.07)
E(B-V) 0.028

* 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.