SDSS J151428.74+112417.0

All names: Gaia DR3 1169903186819954048, SDSS J151428.74+112417.00, SDSS J151428.74+112417.0, GALEX J151428.7+112417, SDSS J151428.74+112416.9, Gaia EDR3 1169903186819954048, Gaia DR2 1169903186819954048

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 14 28.75 (0.3) 15 14 28.74 15 14 28.75 (0.3) 15 14 28.74 (0.3) 15 14 28.74
Declination 11 24 16.95 (0.2) 11 24 16.98 11 24 16.95 (0.4) 11 24 16.97 (0.2) 11 24 16.97
Spectral type DB DB DB DB+MS
Effective temperature [K] 21487.0 20936.0 15000.0 19861.0 (339) 23431.0 (980)
log(g) [cgs] 8.07 8.23 7.85 7.98 (0.08) 8.16 (0.08)
Mass [M] 0.644 0.736 0.505 0.694 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.1559
log(H/He) -4.525 <-3.9
log(C/He)
log(Ca/He) <-4.47
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] 1.84 (0.3) 2.45 (0.4) 1.84 (0.3)
Distance [pc] 542.77 (81) 408.65 (75) 460.00 542.77 (81)
Composition He
Proper motion (right ascension) [mas/yr] 8.946292766 (0.3) 8.749996202 (0.6) 8.946 (0.3)
Proper motion (declination) [mas/yr] -1.515173512 (0.3) -1.676123321 (0.6) -1.515 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.84 (0.02) 18.84 (0.02) 18.84 (0.02)
g magnitude 18.97 (0.01) 18.96 (0.01) 18.99 (0.02)
r magnitude 19.27 (0.01) 19.27 (0.01) 19.27 (0.02)
i magnitude 19.56 (0.02) 19.56 (0.02) 19.58 (0.02)
z magnitude 19.72 (0.08) 19.73 (0.08) 19.71 (0.08)
G magnitude 19.10 (0.04) 19.14 19.10 (0.004)
BP magnitude 19.10 (0.04) 19.01
RP magnitude 19.28 (0.06) 19.20
Pan g magnitude 18.99 (0.007)
Pan r magnitude 19.27 (0.009)
Pan i magnitude 19.55 (0.01)
Pan z magnitude 19.72 (0.02)
Pan y magnitude 19.91 (0.03)
E(B-V) 0.029

* 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.