WD 1203+101

All names: Gaia DR2 3906183386032930560, Gaia EDR3 3906183386032930560, SDSS J120548.61+095256.7, Gaia DR3 3906183386032930560, WD 1203+101

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 05 48.58 (0.1) 12 05 48.58 (0.1) 12 05 48.58 12 05 48.62 (0.1) 12 05 48.53
Declination 09 52 56.48 (0.08) 09 52 56.49 (0.09) 09 52 56.48 09 52 56.72 (0.08) 09 52 54.12
Spectral type ? ? DA DA ?
Effective temperature [K] 23403.0 29552.0 26767.0 (1434)
log(g) [cgs] 7.75 7.93 7.93 (0.07)
Mass [M] 0.507 0.579 0.602 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.0214 0.0103
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.39 (0.1) 3.32 (0.2) 3.39 3.39 (0.1)
Distance [pc] 294.62 (11) 301.27 (18) 294.62 294.62 (11)
Composition
Proper motion (right ascension) [mas/yr] -33.14677434 (0.1) -33.06733632 (0.3) -33.147 (0.1)
Proper motion (declination) [mas/yr] -14.86101061 (0.08) -14.96042428 (0.2) -14.861 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.28 (0.07)
H magnitude 18.30 (0.1)
K magnitude 18.50 (0.2)
u magnitude 17.18 (0.03)
g magnitude 17.25 (0.03)
r magnitude 17.72 (0.02)
i magnitude 18.05 (0.02)
z magnitude 18.43 (0.04)
G magnitude 17.51 (0.006) 17.53 17.51 17.51 (0.003)
BP magnitude 17.39 (0.006) 17.34
RP magnitude 17.77 (0.01) 17.73
Pan g magnitude 17.35 (0.002)
Pan r magnitude 17.71 (0.005)
Pan i magnitude 18.08 (0.004)
Pan z magnitude 18.34 (0.01)
Pan y magnitude 18.52 (0.02)
E(B-V) 0.021

* 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.