WD 0842+475

All names: Gaia DR2 1013817546933428864, GALEX J084612.6+472419, US 1610, Gaia DR3 1013817546933428864, Gaia EDR3 1013817546933428864, SDSS J084612.55+472419.6, SDSS J084612.54+472419.6, SDSS J084612.55+472419.7, WD 0842+475

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
Right ascension 08 46 12.56 (0.3) 08 46 12.56 08 46 12.56 (0.6) 08 46 12.56 (0.3) 08 46 12.55 08 46 11.66 08 46 12.55 08 46 12.55
Declination 47 24 19.62 (0.3) 47 24 19.60 47 24 19.62 (0.7) 47 24 19.63 (0.3) 47 24 19.65 47 24 12.96 47 24 19.68 47 24 19.69
Spectral type DA DA DA DA2.4 DA
Effective temperature [K] 25137.0 20430.0 (464) 20347.0 (460) 20766.0 (496)
log(g) [cgs] 8.77 7.55 (0.1) 7.43 (0.1) 7.60 (0.1)
Mass [M] 1.095 0.419 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1670
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] 1.62 (0.4) 2.81 (0.7) 1.62 (0.4)
Distance [pc] 618.36 (171) 355.75 (88) 618.35 (171)
Composition H
Proper motion (right ascension) [mas/yr] 0.974090779 (0.5) 3.34994281 (1) 0.974 (0.5) -3.5 -3.0
Proper motion (declination) [mas/yr] -0.395927126 (0.5) -2.86772641 (1) -0.396 (0.5) -0.2 -2.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.10
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.40 (0.03) 19.44 (0.03) 19.48 (0.03) 19.46 19.46 (0.03) 19.46 (0.03)
g magnitude 19.37 (0.01) 19.35 (0.01) 19.39 (0.03) 19.40 19.39 (0.03) 19.40 (0.03)
r magnitude 19.70 (0.02) 19.66 (0.02) 19.72 (0.02) 19.72 19.73 (0.02) 19.72 (0.02)
i magnitude 19.98 (0.03) 19.82 (0.03) 19.88 (0.03) 19.89 19.89 (0.03) 19.89 (0.03)
z magnitude 20.35 (0.1) 20.31 (0.2) 20.30 (0.1) 20.29 20.30 (0.1) 20.29 (0.1)
G magnitude 19.53 (0.03) 19.59 19.53 (0.005)
BP magnitude 19.47 (0.03) 19.42
RP magnitude 19.75 (0.08) 19.76
Pan g magnitude 19.39 (0.006)
Pan r magnitude 19.69 (0.01)
Pan i magnitude 19.99 (0.008)
Pan z magnitude 20.15 (0.02)
Pan y magnitude
E(B-V) 0.024

* 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.