WD 0849+014

All names: SDSS J085213.50+011706.90, Gaia DR3 3075597428939564416, Gaia DR2 3075597428939564416, SDSS J085213.49+011706.8, SDSS J085213.50+011706.8, WD 0849+014, Gaia EDR3 3075597428939564416, SDSS J085213.50+011706.9, GALEX J085213.5+011706

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 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 52 13.49 (0.4) 08 52 13.50 08 52 13.49 (0.5) 08 52 13.50 (0.4) 08 52 13.50 08 52 12.91 08 52 13.50
Declination 01 17 06.74 (0.2) 01 17 06.84 01 17 06.74 (0.5) 01 17 06.90 (0.2) 01 17 06.84 01 17 03.84 01 17 06.93
Spectral type DB DB DB DB DB1.5 DB DB+MS
Effective temperature [K] 38000.0 (4130) 36355.0 25931.0 19065.0 33158.0 (1113) 33028.0 (1342)
log(g) [cgs] 7.42 (0.3) 7.37 7.14 6.87 7.55 (0.2) 7.56 (0.2)
Mass [M] 0.39 (0.1) 0.381 0.297 0.227 0.436 (0.07)
log(Luminosity) [L] -0.11 (0.3)
Cooling age [Gyr] 0.0005 (0.0005)
log(H/He) <-3.109
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] 0.68 (0.5) 0.72 (0.6) 0.68 (0.5)
Distance [pc] 1466.13 (971) 1385.46 (1083) 1466.06 (971)
Composition He He
Proper motion (right ascension) [mas/yr] -2.674306103 (0.6) -1.971202539 (1) -2.674 (0.6) -0.4
Proper motion (declination) [mas/yr] -10.3100632 (0.5) -12.2895894 (0.9) -10.31 (0.5) -14.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.45 (0.03) 19.45 (0.03) 19.46 (0.03) 19.46 19.47 (0.03)
g magnitude 19.65 (0.01) 19.65 (0.01) 19.66 (0.02) 19.66 19.68 (0.02)
r magnitude 19.96 (0.02) 19.96 (0.02) 19.99 (0.03) 20.00 19.99 (0.03)
i magnitude 20.28 (0.04) 20.28 (0.04) 20.28 (0.04) 20.27 20.28 (0.04)
z magnitude 20.47 (0.2) 20.47 (0.2) 20.46 (0.2) 20.47 20.48 (0.2)
G magnitude 19.82 (0.05) 19.87 19.82 (0.005)
BP magnitude 19.73 (0.05) 19.69
RP magnitude 19.94 (0.08) 20.25
Pan g magnitude 19.65 (0.01)
Pan r magnitude 19.99 (0.01)
Pan i magnitude 20.29 (0.02)
Pan z magnitude 20.43 (0.1)
Pan y magnitude
E(B-V) 0.031

* 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.