PB 5879

All names: SDSS J002049.55+004433.9, SDSS J002049.39+004435.1, SDSS J002049.39+004435.0, PSO J002049.562+004433.920, Gaia DR2 2546887573277984256, SDSS J002049.55+004433.94, WDJ002049.41+004434.90

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad Gentile Fusillo et al. 2018
Right ascension 00 20 49.61 (0.08) 00 20 49.43 00 20 49.38 00 20 49.61
Declination 00 44 33.60 (0.05) 00 44 34.76 00 44 35.41 00 44 33.60
Spectral type DA DA DA3
Effective temperature [K] 8856.0 8803.0 (13)
log(g) [cgs] 8.46 8.41 (0.02)
Mass [M] 0.888 0.846 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.9150
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] 21.17 (0.1) 21.17 (0.1)
Distance [pc] 47.23 (0.2) 47.23 (0.2)
Composition H
Proper motion (right ascension) [mas/yr] 192.653319361 (0.2) 200.0 192.653319361
Proper motion (declination) [mas/yr] -83.9072043908 (0.1) -80.0 -83.9072043908
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude 16.70
I magnitude
J magnitude 16.34
H magnitude 16.30
K magnitude 16.13
u magnitude 17.09 (0.01) 17.09 (0.008) 17.06 17.06 (0.008)
g magnitude 16.73 (0.02) 16.71 (0.004) 16.77 16.72 (0.004)
r magnitude 16.71 (0.02) 16.72 (0.005) 16.72 16.72 (0.004)
i magnitude 16.79 (0.01) 16.79 (0.006) 16.78 16.77 (0.005)
z magnitude 16.87 (0.02) 16.89 (0.01) 16.89 16.91 (0.01)
G magnitude 16.68 16.68
BP magnitude 16.75 16.75
RP magnitude 16.49 16.49
Pan g magnitude 16.73 (0.004)
Pan r magnitude 16.74 (0.003)
Pan i magnitude 16.83 (0.005)
Pan z magnitude 16.93 (0.005)
Pan y magnitude 17.01 (0.01)

* 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.