PG 1003-023

All names: Gaia DR3 3829366074878263168, USNO-B1.0 0874-00281098, SDSS J100551.51-023417.8, TIC 178876506, J1005-0234, Gaia DR2 3829366074878263168, GALEX J100551.5-023415, FBS 1003-023, GALEX J100551.5-023418, LAMOST J100551.51-023417.87, 2MASS J10055152-0234178, WDJ100551.52-023417.93, LAMOST J100551.51-023417.8, Gaia EDR3 3829366074878263168, SDSS J100551.51-023417.9, WD 1003-023, PG 1003-023

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Zhao et al. 2013 Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 10 05 51.40 (0.04) 10 05 51.40 (0.08) 10 05 51.51 10 05 51.40 10 05 51.52 (0.04) 10 05 51.40 10 05 51.36
Declination -02 34 17.19 (0.05) -02 34 17.21 (0.08) -02 34 17.87 -02 34 17.19 -02 34 17.93 (0.05) -02 34 17.21 -02 34 13.80
Spectral type DA DA DA DA DA DA DA2.4 DA2.5
Effective temperature [K] 19919.0 (161) 19918.0 (159) 18040.0 21636.0 (334) 22072.0 (477) 21010.0 (333) 20614.0 (35) 20340.0 (324) 19634.0 (319)
log(g) [cgs] 7.95 (0.007) 7.95 (0.01) 7.84 8.12 (0.06) 8.22 (0.07) 8.01 (0.05) 7.89 (0.006) 7.95 (0.05) 7.93 (0.01)
Mass [M] 0.594 (0.006) 0.596 (0.009) 0.534 0.7 (0.03) 0.76 (0.04) 0.63 (0.03) 0.6 (0.03) 0.582 (0.01)
log(Luminosity) [L] -1.54
Cooling age [Gyr] 0.0759 0.0780 (0.02) 0.0759
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] 12.15 (0.05) 12.18 (0.1) 12.15 12.15 (0.05) 12.18 (0.1)
Distance [pc] 82.34 (0.3) 82.07 (0.8) 68.00 88.00 91.00 82.34 82.34 (0.3) 82.07 (0.8)
Composition H H H
Proper motion (right ascension) [mas/yr] -111.1592274 (0.04) -111.1933542 (0.1) -111.159 (0.04) -111.1933542
Proper motion (declination) [mas/yr] 46.55408228 (0.04) 46.61334957 (0.1) 46.554 (0.04) 46.61334957
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.30
V magnitude 15.43 15.43 15.40
R magnitude 15.40
I magnitude
J magnitude 15.76 (0.007)
H magnitude 15.79 (0.01)
K magnitude 15.89 (0.03)
u magnitude 15.15 15.13 (0.004) 15.13 (0.004)
g magnitude 15.10 15.07 (0.003) 15.07 (0.003)
r magnitude 15.46 15.47 (0.003) 15.47 (0.003)
i magnitude 15.76 15.77 (0.004) 15.77 (0.004)
z magnitude 16.08 16.07 (0.007) 16.07 (0.007)
G magnitude 15.30 (0.003) 15.32 15.30 15.30 (0.003) 15.32
BP magnitude 15.21 (0.003) 15.20 15.20
RP magnitude 15.47 (0.004) 15.47 15.47
Pan g magnitude 15.16 (0.002)
Pan r magnitude 15.48 (0.002)
Pan i magnitude 15.80 (0.003)
Pan z magnitude 16.06 (0.005)
Pan y magnitude 16.22 (0.002)
E(B-V) 0.002

* 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.