SDSS J161243.19+370803.6

All names: Gaia EDR3 1378288785205620096, Gaia DR3 1378288785205620096, GALEX J161243.1+370803, SDSS J161243.19+370803.66, SDSS J161243.19+370803.6, Gaia DR2 1378288785205620096, SDSS J161243.19+370803.9, SDSS J161243.19+370803.7

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 Simbad Vincent et al. 2023
Right ascension 16 12 43.19 (0.2) 16 12 43.19 16 12 43.19 (0.2) 16 12 43.20 (0.2)
Declination 37 08 03.97 (0.2) 37 08 03.93 37 08 03.97 (0.2) 37 08 03.95 (0.2)
Spectral type DB DB DB DB
Effective temperature [K] 15112.0 15845.0 13245.0 15149.0 (87) 15160.0 (140)
log(g) [cgs] 8.20 7.94 7.67 8.00 (0) 8.10 (0.01)
Mass [M] 0.71 0.559 0.416 0.642 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.1866
log(H/He) -5.442 <-4.73
log(C/He)
log(Ca/He) <-7.23
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] 2.35 (0.2) 2.22 (0.3) 2.35 (0.2)
Distance [pc] 425.41 (38) 450.40 (56) 411.00 425.41 (38)
Composition He
Proper motion (right ascension) [mas/yr] -9.504460189 (0.2) -9.167544084 (0.5) -9.504 (0.2)
Proper motion (declination) [mas/yr] 1.006450449 (0.3) 1.046641948 (0.6) 1.006 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.14 (0.03) 19.14 (0.03) 19.14 (0.03)
g magnitude 19.19 (0.01) 19.19 (0.01) 19.19 (0.01)
r magnitude 19.50 (0.02) 19.50 (0.02) 19.50 (0.02)
i magnitude 19.76 (0.03) 19.76 (0.03) 19.76 (0.03)
z magnitude 20.04 (0.1) 20.04 (0.1) 20.04 (0.1)
G magnitude 19.35 (0.02) 19.39 19.35 (0.004)
BP magnitude 19.38 (0.02) 19.31
RP magnitude 19.50 (0.05) 19.36
Pan g magnitude 19.28 (0.01)
Pan r magnitude 19.53 (0.02)
Pan i magnitude 19.72 (0.009)
Pan z magnitude 19.96 (0.02)
Pan y magnitude 19.96 (0.08)
E(B-V) 0.020

* 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.