SDSS J162650.27+083026.2

All names: SDSS J162650.27+083026.3, Gaia DR3 4440378121090919808, SDSS J162650.25+083026.3, Gaia EDR3 4440378121090919808, GALEX J162650.2+083026, SDSS J162650.27+083026.2, Gaia DR2 4440378121090919808, SDSS J162650.27+083026.28

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 16 26 50.27 (0.2) 16 26 50.25 16 26 50.27 (0.2) 16 26 50.27 16 26 50.25 (0.2)
Declination 08 30 26.28 (0.1) 08 30 26.34 08 30 26.28 (0.1) 08 30 26.28 08 30 26.42 (0.1)
Spectral type DB DB DC: DB DB
Effective temperature [K] 12481.0 10871.0 10255.0 11141.0 (104) 11310.0 (89) 10415.0 (461)
log(g) [cgs] 8.65 8.14 8.07 8.00 (0) 8.00 (0) 8.04 (0.08)
Mass [M] 1.0 0.67 0.626 0.603 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.6521
log(H/He) -5.674 <-5.76
log(C/He)
log(Ca/He) <-10.56
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] 5.39 (0.2) 5.41 (0.2) 5.39 5.39 (0.2)
Distance [pc] 185.56 (7) 184.87 (8) 205.00 185.56 185.56 (7)
Composition He
Proper motion (right ascension) [mas/yr] 23.7195759 (0.2) 23.47178891 (0.3) 23.72 (0.2)
Proper motion (declination) [mas/yr] -9.024612665 (0.2) -9.164444948 (0.2) -9.025 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.73 (0.02) 18.72 (0.02) 18.73 (0.02)
g magnitude 18.60 (0.008) 18.61 (0.02) 18.60 (0.008)
r magnitude 18.73 (0.009) 18.73 (0.01) 18.73 (0.009)
i magnitude 18.87 (0.01) 18.87 (0.02) 18.87 (0.01)
z magnitude 19.10 (0.05) 19.10 (0.05) 19.10 (0.05)
G magnitude 18.62 (0.02) 18.66 18.62 18.62 (0.003)
BP magnitude 18.65 (0.02) 18.62
RP magnitude 18.57 (0.03) 18.57
Pan g magnitude 18.63 (0.01)
Pan r magnitude 18.74 (0.003)
Pan i magnitude 18.88 (0.004)
Pan z magnitude 19.06 (0.02)
Pan y magnitude 19.15 (0.03)
E(B-V) 0.036

* 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.