SDSS J075052.94+182955.1

All names: Gaia DR2 668620236396343040, Gaia EDR3 668620236396343040, SDSS J075052.94+182955.1, SDSS J075052.94+182955.10, SDSS J075052.94+182955.0, Gaia DR3 668620236396343040, GALEX J075052.9+182955

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 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 50 52.94 (0.7) 07 50 52.94 07 50 52.94 (0.9) 07 50 52.95 (0.7) 07 50 52.94
Declination 18 29 55.10 (0.4) 18 29 55.09 18 29 55.10 (0.7) 18 29 55.11 (0.4) 18 29 55.10
Spectral type DBA: DBA DBA: DB
Effective temperature [K] 16031.0 15795.0 13623.0 15775.0 (286)
log(g) [cgs] 8.56 7.06 6.90 8.39 (0.2)
Mass [M] 0.95 0.241 0.205
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -3.986
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] 2.07 (0.7) 0.83 (1) 2.07 (0.7)
Distance [pc] 483.79 (170) 1199.62 (1431) 483.79 (170)
Composition He
Proper motion (right ascension) [mas/yr] -10.72779891 (0.9) -10.09750963 (2) -10.728 (0.9)
Proper motion (declination) [mas/yr] -0.286682614 (0.4) -1.397736874 (1) -0.287 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.06 (0.04) 20.05 (0.04) 20.12 (0.04)
g magnitude 20.12 (0.02) 20.13 (0.02) 20.14 (0.02)
r magnitude 20.37 (0.03) 20.37 (0.03) 20.40 (0.03)
i magnitude 20.60 (0.04) 20.62 (0.04) 20.62 (0.04)
z magnitude 20.77 (0.2) 20.78 (0.1) 20.78 (0.1)
G magnitude 20.24 (0.06) 20.30 20.24 (0.007)
BP magnitude 20.28 (0.06) 20.34
RP magnitude 20.23 (0.1) 20.29
Pan g magnitude 20.18 (0.006)
Pan r magnitude 20.42 (0.02)
Pan i magnitude 20.66 (0.03)
Pan z magnitude 20.82 (0.1)
Pan y magnitude 20.85 (0.2)
E(B-V) 0.028

* 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.