SDSS J003103.50+072257.7

All names: Gaia DR3 2748012233094902528, Gaia EDR3 2748012233094902528, Gaia DR2 2748012233094902528, SDSS J003103.50+072257.7, SDSS J003103.50+072257.6, GALEX J003103.6+072256

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 00 31 03.49 (0.4) 00 31 03.50 00 31 03.49 (0.5) 00 31 03.52 (0.4) 00 31 03.50
Declination 07 22 57.14 (0.3) 07 22 57.67 07 22 57.17 (0.4) 07 22 58.08 (0.3) 07 22 57.74
Spectral type DC DC DC DC DC
Effective temperature [K] 7928.0 7692.0 10100.0 (34)
log(g) [cgs] 8.22 8.14 8.06 (1)
Mass [M] 0.731 0.663
log(Luminosity) [L]
Cooling age [Gyr] 1.5660 1.4810
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.64 (0.4) 5.16 (0.6) 5.64 (0.4)
Distance [pc] 177.27 (14) 193.82 (22) 177.27 (14)
Composition
Proper motion (right ascension) [mas/yr] -28.57669637 (0.6) -27.25030999 (1) -28.577 (0.6)
Proper motion (declination) [mas/yr] -58.99550015 (0.4) -59.41728124 (0.9) -58.996 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.31 (0.06) 20.31 (0.06) 20.26 (0.05)
g magnitude 19.84 (0.02) 19.84 (0.02) 19.89 (0.03)
r magnitude 19.73 (0.02) 19.73 (0.02) 19.75 (0.02)
i magnitude 19.82 (0.03) 19.82 (0.03) 19.82 (0.03)
z magnitude 19.72 (0.1) 19.72 (0.1) 19.71 (0.1)
G magnitude 19.75 (0.05) 19.79 19.75 (0.005)
BP magnitude 19.85 (0.05) 19.86
RP magnitude 19.67 (0.06) 19.50
Pan g magnitude 19.84 (0.02)
Pan r magnitude 19.80 (0.01)
Pan i magnitude 19.82 (0.02)
Pan z magnitude 19.90 (0.02)
Pan y magnitude 19.85 (0.06)
E(B-V) 0.010

* 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.