PG 1038+634

All names: Gaia DR2 1055273537642488576, 2MASS J10415721+6307019, SDSS J104157.22+630701.6, WD 1038+633, FBS B 684, SDSS J104157.24+630701.6, FBS 1038+634, J1041+6307, GALEX J104156.9+630701, TIC 149916959, WDJ104157.24+630701.67, PG 1038+634, 2RXP J104156.8+630712, Gaia DR3 1055273537642488576, WIRED J104157.23+630701.6, SDSS J104157.23+630701.7, Gaia EDR3 1055273537642488576, SDSS J104157.24+630701.7, SDSS J104157.23+630701.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Koester et al. 2014 Gianninas et al. 2011 Tremblay et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 41 57.07 (0.02) 10 41 57.23 10 41 57.07 (0.03) 10 41 57.07 10 41 57.24 (0.02) 10 41 57.07 10 41 57.23 10 41 55.92 10 41 57.24
Declination 63 07 00.74 (0.02) 63 07 01.67 63 07 00.77 (0.03) 63 07 00.74 63 07 01.67 (0.02) 63 07 00.77 63 07 01.64 63 07 05.88 63 07 01.67
Spectral type DA DA DA DA DA DA DA2.0 DA DA_auto DA2 DA DA
Effective temperature [K] 23995.0 (224) 23996.0 (222) 23479.0 24295.0 (330) 25400.0 (380) 26120.0 (90) 24237.0 (210) 25727.0 (66) 25584.0 (130)
log(g) [cgs] 8.46 (0.008) 8.46 (0.007) 8.43 8.39 (0.09) 8.42 (0.05) 8.43 (0.01) 8.46 (0.007) 8.48 (0.01) 8.46 (0.01)
Mass [M] 0.91 (0.006) 0.909 (0.007) 0.895 0.861 (0.06) 0.89 (0.03) 0.9 (0.01) 0.915 (0.006) 0.897 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.1038 0.0708
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H) <-8.00
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H) -7.9 (0.3)
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] 15.95 (0.03) 15.95 (0.04) 15.95 15.95 (0.03) 15.95 (0.04)
Distance [pc] 62.69 (0.1) 62.70 (0.2) 68.00 62.69 62.69 (0.1) 62.70 (0.2)
Composition H H H H
Proper motion (right ascension) [mas/yr] -72.34327523 (0.02) -72.34150677 (0.06) -72.343 (0.02) -72.342 -71.2
Proper motion (declination) [mas/yr] -57.91949675 (0.03) -57.97392072 (0.06) -57.919 (0.03) -57.974 -58.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.49
V magnitude 15.15 (0.06) 15.30
R magnitude
I magnitude
J magnitude 15.72 (0.08)
H magnitude 15.75 (0.2)
K magnitude 15.39 (0.1)
u magnitude 14.84 (0.004) 14.84 (0.004) 14.82 (0.003) 14.88 (0.01) 14.87 14.85 (0.01)
g magnitude 14.97 (0.003) 14.96 (0.003) 14.93 (0.003) 14.95 (0.02) 14.95 14.95 (0.02)
r magnitude 15.36 (0.004) 15.36 (0.004) 15.36 (0.003) 15.40 (0.02) 15.39 15.38 (0.02)
i magnitude 15.68 (0.004) 15.68 (0.004) 15.68 (0.004) 15.66 (0.03) 15.66 15.65 (0.03)
z magnitude 16.01 (0.007) 16.01 (0.007) 16.00 (0.007) 16.02 (0.01) 16.02 16.01 (0.01)
G magnitude 15.17 (0.002) 15.18 15.17 15.17 (0.003) 15.18
BP magnitude 15.06 (0.002) 15.01 15.01
RP magnitude 15.39 (0.002) 15.39 15.39
Pan g magnitude 15.01 (0.003)
Pan r magnitude 15.38 (0.0009)
Pan i magnitude 15.71 (0.001)
Pan z magnitude 15.99 (0.002)
Pan y magnitude 16.19 (0.007)
E(B-V) 0.003

* 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.