WD 0941+022

All names: Gaia EDR3 3846608238267362688, Gaia DR2 3846608238267362688, SDSS J094429.98+015844.8, Gaia DR3 3846608238267362688, SDSS J094429.98+015844.7, GALEX J094430.0+015844, WD 0941+022

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 09 44 29.95 (0.2) 09 44 29.98 09 44 29.95 (0.4) 09 44 29.98 (0.2) 09 44 29.98 09 44 29.11 09 44 29.98 09 44 29.98
Declination 01 58 44.91 (0.2) 01 58 44.73 01 58 44.91 (0.3) 01 58 44.67 (0.2) 01 58 44.74 01 58 41.16 01 58 44.78 01 58 44.76
Spectral type DA DA DA DA2.8 DA DA
Effective temperature [K] 12996.0 17917.0 (420) 18421.0 (458) 18058.0 (427)
log(g) [cgs] 6.93 8.01 (0.08) 8.03 (0.09) 8.04 (0.08)
Mass [M] 0.223 0.635 (0.05)
log(Luminosity) [L]
Cooling age [Gyr]
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] 2.48 (0.3) 1.60 (0.5) 2.48 (0.3)
Distance [pc] 403.65 (43) 623.59 (176) 403.65 (43)
Composition H
Proper motion (right ascension) [mas/yr] -26.800574 (0.3) -26.62564532 (0.6) -26.801 (0.3) -20.1 -22.0
Proper motion (declination) [mas/yr] 15.38619938 (0.2) 15.27732316 (0.5) 15.386 (0.2) 15.4 16.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.50 (0.2)
H magnitude
K magnitude
u magnitude 19.08 (0.02) 19.08 (0.03) 19.09 (0.03) 19.07 19.09 (0.03) 19.07 (0.03)
g magnitude 18.78 (0.009) 18.78 (0.009) 18.78 (0.02) 18.81 18.77 (0.02) 18.81 (0.02)
r magnitude 19.12 (0.01) 19.12 (0.01) 19.14 (0.02) 19.13 19.12 (0.02) 19.13 (0.02)
i magnitude 19.41 (0.02) 19.41 (0.02) 19.42 (0.02) 19.42 19.41 (0.02) 19.42 (0.02)
z magnitude 19.77 (0.1) 19.77 (0.1) 19.79 (0.1) 19.78 19.79 (0.1) 19.78 (0.1)
G magnitude 18.98 (0.02) 19.03 18.98 (0.003)
BP magnitude 18.99 (0.02) 18.87
RP magnitude 19.15 (0.04) 19.08
Pan g magnitude 18.84 (0.005)
Pan r magnitude 19.13 (0.007)
Pan i magnitude 19.36 (0.01)
Pan z magnitude 19.63 (0.02)
Pan y magnitude 19.65 (0.03)
E(B-V) 0.027

* 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.