SDSS J123253.95+283458.8

All names: SDSS J123253.95+283458.85, SDSS J123253.95+283458.8, SDSS J123253.94+283458.8, GALEX J123253.9+283459, Gaia EDR3 4010782916480698240, Gaia DR2 4010782916480698240, Gaia DR3 4010782916480698240

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 12 32 53.93 (0.8) 12 32 53.95 12 32 53.93 (0.9) 12 32 53.96 (0.8)
Declination 28 34 58.62 (0.3) 28 34 58.85 28 34 58.64 (0.5) 28 34 59.09 (0.3)
Spectral type DA DA DA DA
Effective temperature [K] 7267.0 8303.0 (150)
log(g) [cgs] 8.39 8.25 (0.2)
Mass [M] 0.845 0.624 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 3.0530
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] 3.14 (0.9) 4.62 (1) 3.14 (0.9)
Distance [pc] 318.72 (90) 216.50 (49) 318.73 (90)
Composition H
Proper motion (right ascension) [mas/yr] -22.02790533 (0.8) -21.08997427 (2) -22.028 (0.8)
Proper motion (declination) [mas/yr] -29.17510287 (0.6) -30.39279287 (0.8) -29.175 (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 21.11 (0.1) 21.11 (0.1) 21.11 (0.1)
g magnitude 20.67 (0.03) 20.70 (0.03) 20.67 (0.03)
r magnitude 20.62 (0.04) 20.67 (0.04) 20.63 (0.04)
i magnitude 20.58 (0.05) 20.63 (0.05) 20.59 (0.05)
z magnitude 20.83 (0.3) 20.84 (0.2) 20.84 (0.3)
G magnitude 20.56 (0.1) 20.62 20.56 (0.006)
BP magnitude 20.72 (0.1) 20.77
RP magnitude 20.15 (0.09) 20.33
Pan g magnitude 20.71 (0.01)
Pan r magnitude 20.62 (0.02)
Pan i magnitude 20.57 (0.02)
Pan z magnitude 20.59 (0.07)
Pan y magnitude 20.64 (0.2)
E(B-V) 0.014

* 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.