SDSS J065250.76+285253.6

All names: Gaia DR3 887614605864602496, SDSS J065250.76+285253.6, GALEX J065250.7+285254, SDSS J065250.76+285253.60, Gaia DR2 887614605864602496, Gaia EDR3 887614605864602496

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
Right ascension 06 52 50.76 (1) 06 52 50.76 06 52 50.76 (1) 06 52 50.76 (1) 06 52 50.76
Declination 28 52 53.47 (1) 28 52 53.53 28 52 53.48 (2) 28 52 53.70 (1) 28 52 53.55
Spectral type DB DB DB
Effective temperature [K] 21558.0 18596.0 17522.0 20930.0 (1243)
log(g) [cgs] 8.04 7.72 7.70 8.04 (0.2)
Mass [M] 0.622 0.45 0.441 0.619 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.0717
log(H/He) <-4.547
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] -0.14 (2) 1.00 (3) 1.00 (3)
Distance [pc] 995.54 (3007) 995.52 (3007)
Composition He
Proper motion (right ascension) [mas/yr] 0.397193007 (1) -2.208891984 (3) 0.397 (1)
Proper motion (declination) [mas/yr] -14.13072736 (1) -13.32199439 (3) -14.131 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.36 (0.06) 20.33 (0.06) 20.33 (0.06)
g magnitude 20.42 (0.02) 20.41 (0.02) 20.41 (0.02)
r magnitude 20.63 (0.04) 20.63 (0.03) 20.63 (0.03)
i magnitude 20.93 (0.07) 20.95 (0.06) 20.95 (0.06)
z magnitude 21.44 (0.4) 21.38 (0.4) 21.38 (0.4)
G magnitude 20.57 (0.1) 20.63 20.57 (0.01)
BP magnitude 20.78 (0.1) 20.16
RP magnitude 20.15 (0.2) 20.41
Pan g magnitude 20.41 (0.01)
Pan r magnitude 20.69 (0.04)
Pan i magnitude 20.98 (0.03)
Pan z magnitude 21.10 (0.2)
Pan y magnitude
E(B-V) 0.052

* 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.