GD 124

All names: GD 124, WD 1046-017, GD124, FBS 1046-017, EGGR 387, Gaia DR2 3802622073735216128, UCAC4 440-052321, TIC 318184221, 1046-017, Gaia DR3 3802622073735216128, Gaia EDR3 3802622073735216128, uvby98 610060124, WISE J104832.65-020112.3, GALEX J104832.6-020111, SDSS J104832.65-020111.1, WD 1045-017, SDSS J104832.65-020111.2, 2MASS J10483265-0201108, GEN# +6.10060124, SDSS J104832.64-020112.29, PG 1045-018, SDSS J104832.64-020112.2, WDJ104832.65-020111.12

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 Kilic et al. 2025 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Leggett et al. 2018 MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Bergeron et al. 2011 Zuckerman et al. 2010 Voss et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 10 48 32.63 (0.04) 10 48 32.65 10 48 32.65 10 48 32.64 (0.06) 10 48 32.63 10 48 32.65 (0.04) 10 48 32.64 10 48 33.07
Declination -02 01 13.06 (0.04) -02 01 11.16 -02 01 11.16 -02 01 13.00 (0.06) -02 01 13.06 -02 01 11.12 (0.04) -02 01 13.00 -02 01 10.20
Spectral type DB DBZ3.6 DB DB DB DB DB DBZ5 DB DB5 DB
Effective temperature [K] 13987.0 (144) 14581.0 14021.0 13988.0 (450) 13981.0 14778.0 (17) 15170.0 (100) 14620.0 (354) 14300.0 15138.0 13821.0 (187)
log(g) [cgs] 8.02 (0.01) 8.07 8.02 7.98 (0.04) 8.02 8.00 (0) 8.40 (0.002) 8.14 (0.1) 8.00 8.00 (0.02)
Mass [M] 0.602 (0.01) 0.631 0.601 0.576 (0.04) 0.601 0.883 (0.01) 0.68 (0.08) 0.586 (0.01)
log(Luminosity) [L] -2.26
Cooling age [Gyr] 0.2390 (0.03) 0.2563 0.2818
log(H/He) <-6.464 <-7.08 <-6.46 (2)
log(C/He)
log(Ca/He) <-8.49 <-10.9
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 13.84 (0.04) 13.47 (0.4) 13.85 (0.07) 13.84 13.84 (0.04) 13.85 (0.07)
Distance [pc] 72.26 (0.2) 74.24 (2) 72.19 (0.3) 75.00 70.00 72.26 72.26 (0.2) 72.19 (0.3)
Composition He He He
Proper motion (right ascension) [mas/yr] -14.61823039 (0.05) -15.01689122 (0.2) -14.618 (0.05) -15.017
Proper motion (declination) [mas/yr] -121.4079015 (0.05) -121.2672666 (0.1) -121.408 (0.04) -121.267
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.74 (0.02)
V magnitude 15.81 15.81 15.77 (0.04)
R magnitude 15.81
I magnitude
J magnitude 16.03 (0.09)
H magnitude
K magnitude
u magnitude 15.56 (0.004) 15.56 (0.004) 15.56 (0) 15.56 (0.004) 15.56 (0.004)
g magnitude 15.62 (0.003) 15.62 (0.003) 15.62 (0) 15.62 (0.003) 15.62 (0.003)
r magnitude 15.91 (0.004) 15.91 (0.004) 15.91 (0) 15.91 (0.004) 15.91 (0.004)
i magnitude 16.11 (0.004) 16.11 (0.004) 16.11 (0) 16.11 (0.004) 16.11 (0.004)
z magnitude 16.34 (0.008) 16.34 (0.008) 16.34 (0.01) 16.34 (0.008) 16.34 (0.008)
G magnitude 15.74 (0.004) 15.77 15.74 15.74 (0.003) 15.77
BP magnitude 15.70 (0.004) 15.68 15.68
RP magnitude 15.81 (0.002) 15.81 15.81
Pan g magnitude 15.67 (0.003)
Pan r magnitude 15.91 (0.002)
Pan i magnitude 16.15 (0.003)
Pan z magnitude 16.35 (0.006)
Pan y magnitude 16.53 (0.005)
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.