GD 953

All names: UCAC4 369-001476, Gaia DR2 2454507602744210432, WD 0118-166, EC 01185-1638, Gaia EDR3 2454507602744210432, WDJ012058.81-162246.57, MCT 0118-1638, GALEX J012058.7-162246, GD 953, TIC 32535758, Gaia DR3 2454507602744210432, 2MASS J01205880-1622463

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Bergeron et al. 2021 Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 20 58.81 (0.03) 01 20 58.81 (0.05) 01 20 58.81 01 20 58.81 (0.03) 01 20 58.81 01 20 58.01
Declination -16 22 47.30 (0.02) -16 22 47.27 (0.04) -16 22 47.30 -16 22 46.57 (0.02) -16 22 47.27 -16 22 41.52
Spectral type DA DA DA DA3.6 DA3.5
Effective temperature [K] 14677.0 (510) 14150.0 (370) 15154.0 (129)
log(g) [cgs] 8.07 (0.08) 8.08 (0.05) 8.05 (0.008)
Mass [M] 0.656 (0.05) 0.66 (0.03) 0.645 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.2465
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] 12.85 (0.04) 12.78 (0.06) 12.85 12.85 (0.04) 12.78 (0.06)
Distance [pc] 77.80 (0.2) 77.00 78.25 (0.4) 76.00 77.80 77.80 (0.2) 78.25 (0.4)
Composition H H
Proper motion (right ascension) [mas/yr] -4.479876277 (0.06) -4.431960566 (0.1) -4.48 (0.06) -4.431960566
Proper motion (declination) [mas/yr] -45.49699019 (0.03) -45.30154856 (0.09) -45.497 (0.03) -45.30154856
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.91 (0.04)
V magnitude 15.76 (0.05)
R magnitude 16.05 (0.2)
I magnitude
J magnitude 16.14 (0.08)
H magnitude 16.00 (0.1)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.84 (0.002) 15.85 15.84 15.84 (0.003) 15.85
BP magnitude 15.80 (0.002) 15.79 15.79
RP magnitude 15.94 (0.003) 15.94 15.94
Pan g magnitude 15.73 (0.004)
Pan r magnitude 15.99 (0.001)
Pan i magnitude 16.25 (0.003)
Pan z magnitude 16.48 (0.004)
Pan y magnitude 16.63 (0.006)
E(B-V) 0.001

* 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.