SDSS J004709.90+212730.4

All names: Gaia EDR3 2801712651577874688, GALEX J004709.8+212730, Gaia DR2 2801712651577874688, Gaia DR3 2801712651577874688, SDSS J004709.90+212730.4, SDSS J004709.90+212730.49

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 00 47 09.91 (2) 00 47 09.91 00 47 09.91 (9) 00 47 09.91 (2)
Declination 21 27 30.50 (1) 21 27 30.46 21 27 30.50 (2) 21 27 30.50 (1)
Spectral type DA DA
Effective temperature [K] 12251.0 (1000)
log(g) [cgs] 9.90 (0.5)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.41 (0.1) 21.36 (0.1) 21.36 (0.1)
g magnitude 20.85 (0.03) 20.89 (0.04) 20.89 (0.04)
r magnitude 20.98 (0.05) 21.04 (0.05) 21.04 (0.05)
i magnitude 21.02 (0.07) 21.07 (0.06) 21.07 (0.06)
z magnitude 20.72 (0.2) 20.78 (0.2) 20.78 (0.2)
G magnitude 20.92 (0.4) 21.02 20.92 (0.02)
BP magnitude 21.29 (0.4)
RP magnitude
Pan g magnitude 20.82 (0.03)
Pan r magnitude 21.04 (0.02)
Pan i magnitude 21.12 (0.04)
Pan z magnitude 21.21 (0.2)
Pan y magnitude
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.