WD 0112-195

All names: WD 0112-195, MCT 0112-1931, WD0112-195, GALEX J011505.7-191518, Gaia EDR3 2354521726165844096, Gaia DR3 2354521726165844096, Gaia DR2 2354521726165844096, USNO-B1.0 0707-00013493

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Bergeron et al. 2021 Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 15 05.74 (0.09) 01 15 05.74 (0.1) 01 15 05.60 01 15 05.74 01 15 05.70 (0.09) 01 15 05.30
Declination -19 15 19.08 (0.07) -19 15 19.08 (0.08) -19 15 20.00 -19 15 19.08 -19 15 19.18 (0.07) -19 15 15.12
Spectral type DA DA DA DA DA1.4 DA1.5
Effective temperature [K] 36973.0 (899) 37250.0 (751) 36364.0 (187) 38669.0 (386) 45529.0 (4677)
log(g) [cgs] 7.83 (0.1) 7.71 (0.08) 7.66 (0.03) 7.62 (0.04) 8.17 (0.06)
Mass [M] 0.576 (0.05) 0.53 (0.03) 0.5 0.77 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.0047
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] 3.26 (0.1) 3.39 (0.1) 3.26 3.26 (0.1)
Distance [pc] 307.08 (11) 307.00 294.70 (13) 265.00 307.08 307.08 (11)
Composition H H
Proper motion (right ascension) [mas/yr] 29.49414249 (0.1) 29.17137194 (0.3) 29.494 (0.1)
Proper motion (declination) [mas/yr] 6.40827225 (0.1) 6.101545806 (0.2) 6.408 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.20 16.20 17.60
V magnitude 16.20
R magnitude 17.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.04 (0.004) 17.07 17.04 17.04 (0.003)
BP magnitude 16.91 (0.004) 16.84
RP magnitude 17.35 (0.01) 17.33
Pan g magnitude 16.89 (0.005)
Pan r magnitude 17.29 (0.006)
Pan i magnitude 17.64 (0.009)
Pan z magnitude 17.93 (0.01)
Pan y magnitude 18.14 (0.03)
E(B-V) 0.012

* 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.