WD 0841+482A

All names: SDSS J084446.74+480602.7, PSO J084446.718+480602.479, SDSS J084446.75+480602.6, WD 0841+482A, Gaia DR2 1014737047891852416, WD 0841+482.1

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004
Right ascension 08 44 46.71 (0.7) 08 44 46.74 08 44 46.75 08 44 46.75 08 44 46.32 08 44 46.74 08 44 46.74
Declination 48 06 02.31 (0.4) 48 06 02.68 48 06 02.65 48 06 02.65 48 06 00.00 48 06 02.69 48 06 02.70
Spectral type DA DA DA DA5.7 DA
Effective temperature [K] 8541.0 8811.0 (112) 8621.0 (122) 8828.0 (111)
log(g) [cgs] 7.46 8.03 (0.2) 7.82 (0.2) 8.08 (0.2)
Mass [M] 0.336 0.505 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.5202
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] 2.54 (0.8)
Distance [pc] 393.16 (124)
Composition H
Proper motion (right ascension) [mas/yr] -19.35697782 (1) -18.0 -17.7 -19.0
Proper motion (declination) [mas/yr] -23.58602683 (0.8) -14.0 -15.5 -15.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.59 (0.06) 20.60 20.62 (0.06) 20.60 20.62 (0.06) 20.60 (0.06)
g magnitude 19.97 (0.02) 19.98 20.00 (0.02) 20.01 20.02 (0.02) 20.01 (0.03)
r magnitude 19.93 (0.02) 19.94 19.98 (0.03) 19.97 19.99 (0.03) 19.97 (0.03)
i magnitude 20.02 (0.03) 20.01 20.04 (0.03) 20.05 20.06 (0.03) 20.05 (0.03)
z magnitude 20.09 (0.1) 20.07 20.11 (0.1) 20.14 20.12 (0.1) 20.14 (0.1)
G magnitude 20.01
BP magnitude 20.05
RP magnitude 19.77
Pan g magnitude 20.03 (0.02)
Pan r magnitude 20.01 (0.006)
Pan i magnitude 20.11 (0.02)
Pan z magnitude 20.22 (0.07)
Pan y magnitude 19.92 (0.2)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.