WD 1252-020

All names: 2MASS J12545806-0218378, TIC 53313486, Gaia DR3 3682458814461982592, [BGK2006] J125458.08-021837.8, GALEX J125458.0-021836, USNO-B1.0 0876-00342472, HE1252-0202, Gaia EDR3 3682458814461982592, WD 1252-020, Gaia DR2 3682458814461982592, ** SLN 72A, SDSS J125458.07-021837.7, HE 1252-0202, WDS J12550-0219A, SDSS J125458.07-021838.3, LAMOST J125458.07-021838.3, SDSS J125458.07-021838.34

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Kepler et al. 2015 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 12 54 58.07 (0.07) 12 54 58.08 12 54 58.08 12 54 58.07 (0.1) 12 54 58.10 12 54 58.07 12 54 58.08 (0.07) 12 54 57.36
Declination -02 18 38.60 (0.04) -02 18 37.79 -02 18 37.79 -02 18 38.57 (0.08) -02 18 37.00 -02 18 38.60 -02 18 37.75 (0.04) -02 18 32.76
Spectral type DA DA DA DA DA DA3.0 DA3.0 DA
Effective temperature [K] 15123.0 17426.0 (329) 16939.0 (49) 15934.0 (64) 16953.0 (112) 15664.0 (317)
log(g) [cgs] 7.93 8.03 (0.07) 8.10 (0.01) 7.81 (0.01) 7.89 (0.02) 7.93 (0.02)
Mass [M] 0.571 0.64 (0.04) 0.669 (0.005) 0.56 0.576 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1706
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 7.95 (0.08) 8.14 (0.1) 7.95 7.95 (0.08)
Distance [pc] 125.73 (1) 122.83 (2) 125.73 125.73 (1)
Composition H
Proper motion (right ascension) [mas/yr] -8.613107068 (0.1) -8.695340279 (0.2) -8.613 (0.1)
Proper motion (declination) [mas/yr] -53.39191653 (0.08) -53.46626473 (0.1) -53.392 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.50 16.80
V magnitude 16.30 16.30
R magnitude 17.30
I magnitude
J magnitude 16.91 (0.2)
H magnitude
K magnitude
u magnitude 16.71 (0.007) 16.71 (0.007) 16.70 (0.01) 16.71 (0.007)
g magnitude 16.46 (0.004) 16.46 (0.004) 16.48 (0.02) 16.46 (0.004)
r magnitude 16.77 (0.004) 16.77 (0.004) 16.77 (0.01) 16.77 (0.004)
i magnitude 17.03 (0.005) 17.03 (0.005) 17.02 (0.02) 17.02 (0.005)
z magnitude 17.29 (0.02) 17.29 (0.02) 17.29 (0.02) 17.29 (0.01)
G magnitude 16.64 (0.005) 16.65 16.64 16.64 (0.003)
BP magnitude 16.59 (0.005) 16.57
RP magnitude 16.76 (0.007) 16.77
Pan g magnitude 16.51 (0.005)
Pan r magnitude 16.78 (0.005)
Pan i magnitude 17.06 (0.003)
Pan z magnitude 17.30 (0.004)
Pan y magnitude 17.47 (0.01)
E(B-V) 0.010

* 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.