SDSS J025306.37+001329.3

All names: LAMOST J025306.36+001329.6, WDS J02531+0013B, SDSS J025306.37+001329.2, Gaia EDR3 2498159515741377152, Gaia DR3 2498159447022895744, WIRED J025306.37+001329.2, SDSS J025306.37+001329.3, WD 0250+000.1, SDSS J025306.36+001329.6, Gaia DR2 2498159447022895744, GALEX J025306.3+001330, Gaia DR3 2498159515741377152, ** SKF 1677B

Parameter Unit Gaia EDR3 Guo et al. 2015 Vincent et al. 2024 Simbad
Right ascension 02 53 04.83 (0.08) 02 53 04.83 02 53 06.36 (0.2)
Declination 00 13 42.00 (0.07) 00 13 42.00 00 13 29.51 (0.2)
Spectral type DA+M DA DA
Effective temperature [K] 8032.0 (130)
log(g) [cgs] 8.07 (0.03)
Mass [M☉] 0.64 (0.03)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.63 (0.09) 14.63 3.16 (0.3)
Distance [pc] 68.37 (0.4) 68.37 316.58 (29)
Composition
Proper motion (right ascension) [mas/yr] 53.691 (0.1) 12.942 (0.4)
Proper motion (declination) [mas/yr] -199.852 (0.09) 10.726 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.36 (0.03)
g magnitude 18.91 (0.009)
r magnitude 19.31 (0.01)
i magnitude 19.83 (0.03)
z magnitude 20.04 (0.1)
G magnitude 17.21 (0.003) 17.21 19.13 (0.005)
BP magnitude 17.36 (0.01)
RP magnitude 16.98 (0.01)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
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.