SDSS J125717.01+335519.0

All names: Gaia EDR3 1515579884427543680, SDSS J125717.00+335519.0, GALEX J125716.9+335518, SDSS J125717.01+335519.0, Gaia DR3 1515579884427543680, Gaia DR2 1515579884427543680, SDSS J125717.01+335519.02

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 12 57 17.01 (0.5) 12 57 17.01 12 57 17.01 (0.7) 12 57 16.99 (0.5)
Declination 33 55 19.06 (0.4) 33 55 19.01 33 55 19.06 (0.6) 33 55 19.03 (0.4)
Spectral type DA DA DA DA
Effective temperature [K] 9114.0 8588.0 (81)
log(g) [cgs] 7.98 8.22 (0.1)
Mass [M] 0.588 0.721 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.7493
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] 3.12 (0.6) 2.70 (0.9) 3.12 (0.6)
Distance [pc] 320.34 (64) 370.04 (121) 320.35 (64)
Composition H
Proper motion (right ascension) [mas/yr] 11.7514249 (0.5) 12.35132338 (1) 11.751 (0.5)
Proper motion (declination) [mas/yr] 1.978880277 (0.6) 2.268106491 (1) 1.979 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.81 (0.07) 20.85 (0.07) 20.81 (0.07)
g magnitude 20.37 (0.02) 20.37 (0.03) 20.37 (0.02)
r magnitude 20.40 (0.03) 20.44 (0.03) 20.40 (0.03)
i magnitude 20.46 (0.04) 20.50 (0.04) 20.46 (0.04)
z magnitude 20.56 (0.1) 20.60 (0.1) 20.57 (0.1)
G magnitude 20.35 (0.1) 20.42 20.35 (0.006)
BP magnitude 20.56 (0.1) 20.41
RP magnitude 20.13 (0.1) 20.19
Pan g magnitude 20.51 (0.03)
Pan r magnitude 20.40 (0.03)
Pan i magnitude 20.47 (0.03)
Pan z magnitude 20.61 (0.03)
Pan y magnitude
E(B-V) 0.013

* 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.