SDSS J162550.54+122342.1

All names: SDSS J162550.53+122342.1, SDSS J162550.54+122342.10, SDSS J162550.54+122342.1, Gaia EDR3 4460147752475502720, Gaia DR3 4460147752475502720, Gaia DR2 4460147752475502720, GALEX J162550.5+122342

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 25 50.53 (0.5) 16 25 50.54 16 25 50.53 (0.7) 16 25 50.54 (0.5) 16 25 50.54
Declination 12 23 41.89 (0.4) 12 23 42.12 12 23 41.90 (0.5) 12 23 42.15 (0.4) 12 23 42.09
Spectral type DB DB DB hotDQ
Effective temperature [K] 54438.0 24557.0 17072.0 14000.0 (439)
log(g) [cgs] 6.63 9.01 8.70 9.81 (0.2)
Mass [M] 0.451 1.193 1.031 1.753 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.4415
log(H/He) -2.486
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] 2.50 (0.6) 2.29 (0.9) 2.50 (0.6)
Distance [pc] 400.60 (102) 436.51 (179) 400.61 (102)
Composition He
Proper motion (right ascension) [mas/yr] -13.89616666 (0.7) -13.81012894 (1) -13.896 (0.7)
Proper motion (declination) [mas/yr] -16.34612217 (0.6) -16.89259099 (1) -16.346 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.11 (0.04) 20.11 (0.04) 20.14 (0.04)
g magnitude 20.37 (0.02) 20.37 (0.02) 20.40 (0.02)
r magnitude 20.63 (0.03) 20.63 (0.03) 20.65 (0.03)
i magnitude 20.88 (0.05) 20.88 (0.04) 20.89 (0.04)
z magnitude 21.21 (0.2) 21.21 (0.2) 21.15 (0.2)
G magnitude 20.51 (0.06) 20.56 20.51 (0.008)
BP magnitude 20.54 (0.06) 20.48
RP magnitude 20.71 (0.1) 20.82
Pan g magnitude 20.44 (0.02)
Pan r magnitude 20.66 (0.02)
Pan i magnitude 20.90 (0.03)
Pan z magnitude 20.77 (0.1)
Pan y magnitude
E(B-V) 0.044

* 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.