GD 176

All names: Gaia DR2 6318882711964895872, GEN# +6.10060176, GALEX J151028.9-104519, SDSS J151028.97-104519.3, J1510-1045, WD 1507-10, WD 1507-105, GD 176, USNO-B1.0 0792-00273968, Gaia EDR3 6318882711964895872, TIC 79177267, WDJ151029.04-104519.42, SDSS J151028.96-104519.2, 2MASS J15102904-1045193, Gaia DR3 6318882711964895872

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 10 28.88 (0.03) 15 10 28.88 (0.05) 15 10 28.88 15 10 29.04 (0.03) 15 10 28.88 15 10 29.02
Declination -10 45 19.09 (0.03) -10 45 19.10 (0.06) -10 45 19.09 -10 45 19.42 (0.03) -10 45 19.10 -10 45 25.92
Spectral type DA DA DA DA DA DA DA4.9 DA5
Effective temperature [K] 9780.0 (52) 10023.0 (41) 9780.0 (52) 9731.0 10240.0 (148) 10063.0 (8) 9976.0 (66)
log(g) [cgs] 7.49 (0.007) 7.54 (0.007) 7.49 (0.009) 7.48 7.84 (0.05) 7.66 (0.008) 7.54 (0.01)
Mass [M] 0.353 (0.004) 0.371 (0.004) 0.351 (0.005) 0.347 0.51 (0.03) 0.371 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.3600 0.3754
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] 16.86 (0.04) 16.79 (0.07) 16.79 (0.07) 16.86 16.86 (0.04) 16.79 (0.07)
Distance [pc] 59.29 (0.1) 59.56 (0.2) 59.55 (0.2) 51.00 59.29 59.29 (0.1) 59.55 (0.2)
Composition H H H H
Proper motion (right ascension) [mas/yr] -148.8088929 (0.04) -148.9078963 (0.1) -148.809 (0.04) -148.9078963
Proper motion (declination) [mas/yr] 20.55208752 (0.03) 20.68423111 (0.1) 20.552 (0.03) 20.68423111
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.65
V magnitude 15.42 15.42
R magnitude 15.20
I magnitude
J magnitude 15.32 (0.005) 15.29 (0.06)
H magnitude 15.29 (0.01) 15.22 (0.07)
K magnitude 15.31 (0.02) 15.46 (0.2)
u magnitude 15.85 (0.005) 15.90 (0.006) 15.89 (0.006)
g magnitude 15.36 (0.004) 15.35 (0.003)
r magnitude 15.45 (0.004) 15.45 (0.003)
i magnitude 15.50 (0.005) 15.60 (0.004)
z magnitude 15.77 (0.007) 15.76 (0.006)
G magnitude 15.39 (0.002) 15.41 15.39 15.39 (0.003) 15.41
BP magnitude 15.45 (0.002) 15.45 15.45
RP magnitude 15.31 (0.003) 15.32 15.32
Pan g magnitude 15.40 (0.007) 15.40 (0.007)
Pan r magnitude 15.50 (0.006) 15.50 (0.004)
Pan i magnitude 15.64 (0.003) 15.64 (0.003)
Pan z magnitude 15.78 (0.003) 15.78 (0.004)
Pan y magnitude 15.90 (0.003) 15.90 (0.003)
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.