SDSS J075008.74+283032.9

All names: SDSS J075008.74+283032.90, Gaia DR3 875699129635983104, GALEX J075008.7+283033, Gaia DR2 875699129635983104, Gaia EDR3 875699129635983104, SDSS J075008.74+283032.9

Parameter Unit Gaia EDR3 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 08.75 (0.6) 07 50 08.74 07 50 08.75 (1) 07 50 08.74 (0.6) 07 50 08.74
Declination 28 30 32.73 (0.4) 28 30 32.94 28 30 32.74 (0.5) 28 30 32.95 (0.4) 28 30 32.90
Spectral type DBA: DBA DBA: DB
Effective temperature [K] 13483.0 17267.0 29098.0 14059.0 (435)
log(g) [cgs] 7.92 8.49 9.02 8.58 (0.3)
Mass [M] 0.544 0.902 1.2
log(Luminosity) [L]
Cooling age [Gyr] 0.1696
log(H/He) -5.15
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] 1.96 (0.6) 1.86 (1) 1.96 (0.6)
Distance [pc] 509.32 (168) 537.97 (323) 509.32 (168)
Composition He
Proper motion (right ascension) [mas/yr] 6.673354355 (0.8) 8.653956895 (2) 6.673 (0.8)
Proper motion (declination) [mas/yr] -14.01075384 (0.5) -13.44276863 (1) -14.011 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.38 (0.07) 20.34 (0.08) 20.34 (0.08)
g magnitude 20.14 (0.02) 20.26 (0.04) 20.26 (0.04)
r magnitude 20.50 (0.05) 20.43 (0.05) 20.43 (0.05)
i magnitude 20.92 (0.09) 21.00 (0.09) 21.00 (0.09)
z magnitude 21.75 (0.6) 21.91 (0.6) 21.91 (0.6)
G magnitude 20.32 (0.08) 20.40 20.32 (0.006)
BP magnitude 20.35 (0.08) 20.25
RP magnitude 20.12 (0.1) 20.40
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
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.