SDSS J162824.03+634510.0

All names: SDSS J162824.02+634509.9, SDSS J162824.03+634510.00, Gaia DR3 1628965577932862336, SDSS J162824.03+634510.0, Gaia DR2 1628965577932862336, GALEX J162823.9+634509, Gaia EDR3 1628965577932862336

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 16 28 24.03 (0.3) 16 28 24.03 16 28 24.03 (0.4) 16 28 24.03 (0.3) 16 28 24.03
Declination 63 45 10.01 (0.3) 63 45 09.98 63 45 10.00 (0.5) 63 45 09.94 (0.3) 63 45 09.98
Spectral type DB DB DB DB
Effective temperature [K] 25963.0 23121.0 20887.0 26155.0 (977)
log(g) [cgs] 7.90 8.24 8.19 7.80 (0.1)
Mass [M] 0.556 0.749 0.714 0.509 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.0929
log(H/He) <-4.076
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] 1.78 (0.3) 1.60 (0.4) 1.78 (0.3)
Distance [pc] 562.16 (94) 625.76 (146) 562.15 (94)
Composition He
Proper motion (right ascension) [mas/yr] -0.132116632 (0.4) -0.514598785 (0.8) -0.132 (0.4)
Proper motion (declination) [mas/yr] 3.990187782 (0.5) 4.176464789 (1) 3.99 (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 19.50 (0.03) 19.50 (0.03) 19.52 (0.04)
g magnitude 19.68 (0.01) 19.68 (0.01) 19.70 (0.03)
r magnitude 20.05 (0.02) 20.05 (0.02) 20.05 (0.03)
i magnitude 20.35 (0.04) 20.35 (0.04) 20.35 (0.04)
z magnitude 20.61 (0.2) 20.61 (0.2) 20.64 (0.2)
G magnitude 19.86 (0.04) 19.93 19.86 (0.005)
BP magnitude 19.79 (0.04) 19.72
RP magnitude 20.05 (0.07) 19.92
Pan g magnitude 19.70 (0.02)
Pan r magnitude 20.04 (0.01)
Pan i magnitude 20.38 (0.03)
Pan z magnitude 20.51 (0.06)
Pan y magnitude 20.67 (0.2)
E(B-V) 0.022

* 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.