WD 0837+199

All names: EGGR 61, SDSS J084028.07+194334.4, PSO J084028.070+194334.412, GEN, Gaia DR2 661297901272035456, WD 0837+199, SDSS J084028.08+194334.4, WD 0837+19, CSI+19-08376 2, [A66] I 310

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 40 28.06 (0.1) 08 40 28.08 08 40 28.08 08 40 28.25
Declination 19 43 34.28 (0.09) 19 43 34.47 19 43 34.47 19 43 19.20
Spectral type DA DA DA5
Effective temperature [K] 15609.0
log(g) [cgs] 7.98
Mass [M☉] 0.604
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1687
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] 5.07 (0.1)
Distance [pc] 197.05 (6)
Composition H
Proper motion (right ascension) [mas/yr] -35.12097959 (0.2) -34.0
Proper motion (declination) [mas/yr] -13.43792174 (0.2) -2.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.60
V magnitude 17.66
R magnitude 17.70
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.71 (0.01) 17.70
g magnitude 17.49 (0.005) 17.50
r magnitude 17.80 (0.007) 17.79
i magnitude 18.07 (0.009) 18.07
z magnitude 18.29 (0.03) 18.34
G magnitude 17.73
BP magnitude 17.54
RP magnitude 17.64
Pan g magnitude 17.56 (0.005)
Pan r magnitude 17.83 (0.006)
Pan i magnitude 18.09 (0.005)
Pan z magnitude 18.39 (0.01)
Pan y magnitude 18.53 (0.008)

* 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.