WD 0838+191

All names: WD 0838+191, GALEX J084139.7+190008, Gaia DR3 661005121940938624, Gaia DR2 661005121940938624, Gaia EDR3 661005121940938624, SDSS J084139.73+190007.7, SDSS J084139.74+190007.7, USNO-B1.0 1090-00167367

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 41 39.72 (0.1) 08 41 39.72 (0.2) 08 41 39.72 08 41 39.75 (0.1) 08 41 38.45
Declination 19 00 07.41 (0.06) 19 00 07.43 (0.1) 19 00 07.41 19 00 07.91 (0.06) 19 00 03.24
Spectral type DA DA DA DA5.6
Effective temperature [K] 8578.0 8718.0 (130)
log(g) [cgs] 8.08 8.12 (0.03)
Mass [M] 0.647 0.673 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.0150
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] 9.74 (0.1) 9.69 (0.2) 9.74 9.74 (0.1)
Distance [pc] 102.68 (1) 103.25 (2) 102.68 102.68 (1)
Composition H
Proper motion (right ascension) [mas/yr] -28.72006458 (0.2) -28.88266615 (0.4) -28.72 (0.2)
Proper motion (declination) [mas/yr] -31.07439827 (0.1) -30.97488979 (0.3) -31.074 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.60
V magnitude 17.96
R magnitude 18.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.39 (0.01)
g magnitude 17.96 (0.006)
r magnitude 17.95 (0.007)
i magnitude 17.99 (0.009)
z magnitude 18.16 (0.02)
G magnitude 17.89 (0.007) 17.91 17.89 17.89 (0.003)
BP magnitude 18.00 (0.007) 17.97
RP magnitude 17.71 (0.01) 17.67
Pan g magnitude 17.96 (0.004)
Pan r magnitude 17.94 (0.005)
Pan i magnitude 18.02 (0.004)
Pan z magnitude 18.14 (0.009)
Pan y magnitude 18.20 (0.01)
E(B-V) 0.004

* 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.