SDSS J151225.69+261538.4

All names: WD 1510+264, Gaia EDR3 1265382375690196864, Gaia DR2 1265382375690196864, SDSS J151225.70+261538.5, Gaia DR3 1265382375690196864, SDSS J151225.69+261538.4, J1512+2615, USNO-B1.0 1162-00244801, EQ J1512+2615, GALEX J151225.6+261539

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Gianninas et al. 2014 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 12 25.68 (0.2) 15 12 25.68 (0.3) 15 12 25.70 (0.2) 15 12 25.25
Declination 26 15 38.28 (0.2) 26 15 38.29 (0.3) 26 15 38.48 (0.2) 26 15 35.28
Spectral type DA DA DA4.2
Effective temperature [K] 11380.0 (180)
log(g) [cgs] 6.93 (0.06)
Mass [M] 0.251
log(Luminosity) [L]
Cooling age [Gyr] 0.3890 (0.07)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.07 (0.3) 1.06 (0.4) 1.07 (0.3)
Distance [pc] 933.71 (250) 940.82 (388) 774.00 (97) 933.71 (250)
Composition H
Proper motion (right ascension) [mas/yr] -15.83485969 (0.2) -15.882 (0.6) -15.835 (0.2)
Proper motion (declination) [mas/yr] -11.98133825 (0.3) -11.704 (0.6) -11.981 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS yes
B magnitude 20.10
V magnitude
R magnitude 19.90
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.13 (0.05) 19.79
g magnitude 19.49 (0.01) 19.24
r magnitude 19.67 (0.02)
i magnitude 19.84 (0.02)
z magnitude 20.02 (0.1)
G magnitude 19.58 (0.03) 19.61 19.58 (0.004)
BP magnitude 19.68 (0.03) 19.56
RP magnitude 19.62 (0.05) 19.59
Pan g magnitude 19.50 (0.01)
Pan r magnitude 19.67 (0.009)
Pan i magnitude 19.85 (0.02)
Pan z magnitude 20.04 (0.02)
Pan y magnitude 19.99 (0.02)
E(B-V) 0.041

* 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.