USNO-A2.0 1125-05644100

All names: Gaia DR2 707724436157414912, SDSS J082951.44+292623.0, Gaia DR3 707724436157414912, WD 0826+296, Gaia EDR3 707724436157414912, USNO-A2.0 1125-05644100, SDSS J082951.43+292623.0, GALEX J082951.4+292623, SDSS J082951.44+292623.00

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 29 51.42 (0.4) 08 29 51.44 08 29 51.42 (0.4) 08 29 51.45 (0.4) 08 29 51.44 08 29 50.93 08 29 51.44
Declination 29 26 23.04 (0.2) 29 26 23.02 29 26 23.04 (0.3) 29 26 23.07 (0.2) 29 26 23.05 29 26 19.68 29 26 23.05
Spectral type DB DB DB DB DB DB
Effective temperature [K] 13051.0 13844.0 11879.0 13915.0 (411) 13888.0 (570)
log(g) [cgs] 8.35 8.25 8.05 8.76 (0.2) 8.87 (0.4)
Mass [M] 0.807 0.742 0.616 1.139 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.4257
log(H/He) <-6.128
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 3.09 (0.4) 2.84 (0.5) 3.09 (0.4)
Distance [pc] 323.26 (39) 352.46 (68) 323.26 (39)
Composition He
Proper motion (right ascension) [mas/yr] -25.48998413 (0.4) -26.23148767 (0.8) -25.49 (0.4) -30.2
Proper motion (declination) [mas/yr] -2.094411853 (0.3) -1.674469127 (0.6) -2.094 (0.3) 3.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50 (0.3)
V magnitude
R magnitude 19.40 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.52 (0.03) 19.52 (0.03) 19.55 (0.04) 19.54 19.55 (0.04)
g magnitude 19.56 (0.01) 19.56 (0.01) 19.55 (0.02) 19.54 19.55 (0.02)
r magnitude 19.76 (0.02) 19.75 (0.02) 19.75 (0.03) 19.74 19.76 (0.03)
i magnitude 19.97 (0.03) 19.97 (0.03) 19.97 (0.03) 19.96 19.97 (0.03)
z magnitude 20.22 (0.1) 20.22 (0.1) 20.28 (0.1) 20.27 20.29 (0.1)
G magnitude 19.63 (0.04) 19.69 19.63 (0.005)
BP magnitude 19.65 (0.04) 19.60
RP magnitude 19.52 (0.07) 19.65
Pan g magnitude 19.57 (0.01)
Pan r magnitude 19.76 (0.01)
Pan i magnitude 19.99 (0.03)
Pan z magnitude 20.11 (0.02)
Pan y magnitude 19.89 (0.1)
E(B-V) 0.017

* 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.