SDSS J125014.58+524931.8

All names: Gaia DR3 1569926755619671040, Gaia EDR3 1569926755619671040, J1250+5249, SDSS J125014.58+524931.8, SDSS J125014.58+524931.80, Gaia DR2 1569926755619671040

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 12 50 14.57 (1) 12 50 14.56 12 50 14.56 12 50 14.57 (2) 12 50 14.56 (1)
Declination 52 49 31.60 (2) 52 49 31.60 52 49 31.66 52 49 31.60 (2) 52 49 31.63 (2)
Spectral type DZ DZ DZ DZ
Effective temperature [K] 6889.0 (270) 6507.0 7215.0 (106)
log(g) [cgs] 8.62 8.45 8.00 (0)
Mass [M] 0.9816 0.879
log(Luminosity) [L]
Cooling age [Gyr] 4.0800 4.2300
log(H/He) <-3.2305
log(C/He)
log(Ca/He) -9.1692 (0.2) -9.278
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] 6.40 (2) 5.06 5.06 (2) 6.40 (2)
Distance [pc] 156.36 (40) 197.59 (88) 197.59 (88) 156.36 (40)
Composition He He He
Proper motion (right ascension) [mas/yr] 7.924920059 (1) 10.35468445 (3) 7.925 (1)
Proper motion (declination) [mas/yr] -2.120741609 (2) -4.020765717 (4) -2.121 (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 21.61 (0.1) 21.51 (0.1) 21.51 (0.1)
g magnitude 21.11 (0.04) 21.09 (0.04) 21.09 (0.04)
r magnitude 20.84 (0.04) 20.82 (0.04) 20.82 (0.04)
i magnitude 20.90 (0.06) 20.89 (0.06) 20.89 (0.06)
z magnitude 20.68 (0.2) 20.71 (0.1) 20.71 (0.1)
G magnitude 20.92 (0.3) 20.99 20.92 (0.02)
BP magnitude 20.94 (0.3) 21.12
RP magnitude 20.50 (0.2) 20.91
Pan g magnitude 21.02 (0.05)
Pan r magnitude 20.88 (0.02)
Pan i magnitude 20.95 (0.04)
Pan z magnitude 21.11 (0.1)
Pan y magnitude
E(B-V) 0.012

* 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.