SDSS J231217.24+151709.5

All names: Gaia DR2 2817289810766017664, Gaia DR3 2817289810766017664, GALEX J231217.2+151710, Gaia EDR3 2817289810766017664, SDSS J231217.24+151709.5, SDSS J231217.24+151709.51

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 23 12 17.26 (1) 23 12 17.25 23 12 17.26 (2) 23 12 17.25 (1)
Declination 15 17 09.45 (0.8) 15 17 09.50 15 17 09.45 (1) 15 17 09.54 (0.8)
Spectral type DA DA DA DA
Effective temperature [K] 9978.0 12481.0 (282)
log(g) [cgs] 7.24 8.20 (0.09)
Mass [M] 0.273 0.6559999999999999 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.2929
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] -0.00 (1) -1.27 (2)
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] 13.23640227 (1) 12.83823559 (2) 13.236 (1)
Proper motion (declination) [mas/yr] -5.514306639 (0.9) -7.129677993 (2) -5.514 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.24 (0.09) 21.19 (0.09) 21.19 (0.09)
g magnitude 20.64 (0.03) 20.63 (0.03) 20.63 (0.03)
r magnitude 20.74 (0.04) 20.72 (0.04) 20.72 (0.04)
i magnitude 20.83 (0.05) 20.81 (0.06) 20.81 (0.06)
z magnitude 21.09 (0.2) 21.06 (0.3) 21.06 (0.3)
G magnitude 20.62 (0.2) 20.71 20.62 (0.01)
BP magnitude 20.39 (0.2) 20.52
RP magnitude 20.23 (0.2) 20.22
Pan g magnitude 20.55 (0.03)
Pan r magnitude 20.70 (0.03)
Pan i magnitude 20.85 (0.03)
Pan z magnitude 21.00 (0.08)
Pan y magnitude 20.71 (0.2)
E(B-V)

* 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.