SDSS J002218.26+075438.5

All names: Gaia EDR3 2748995192194668160, SDSS J002218.26+075438.5, SDSS J002218.25+075438.4, GALEX J002218.2+075439, Gaia DR2 2748995192194668160, Gaia DR3 2748995192194668160, SDSS J002218.26+075438.50

Parameter Unit Gaia EDR3 SDSS DR10 Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 00 22 18.25 (1) 00 22 18.25 00 22 18.25 (2) 00 22 18.25 (1)
Declination 07 54 38.50 (1) 07 54 38.45 07 54 38.49 (2) 07 54 38.47 (1)
Spectral type DA DA DA
Effective temperature [K] 11397.0 (201)
log(g) [cgs] 7.82 (0.1)
Mass [M☉] 0.523 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.67 (2) 1.67 (2)
Distance [pc] 599.19 (841) 599.20 (841)
Composition
Proper motion (right ascension) [mas/yr] 0.788324954 (2) 0.788 (2)
Proper motion (declination) [mas/yr] 1.88798703 (1) 1.888 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.37 (0.1) 21.37 (0.1) 21.37 (0.1)
g magnitude 20.68 (0.03) 20.68 (0.03) 20.68 (0.03)
r magnitude 20.93 (0.04) 20.93 (0.04) 20.93 (0.04)
i magnitude 21.11 (0.07) 21.11 (0.07) 21.11 (0.07)
z magnitude 20.61 (0.2) 20.61 (0.2) 20.61 (0.2)
G magnitude 20.82 (0.2) 20.91 20.82 (0.01)
BP magnitude 20.80 (0.2) 20.82
RP magnitude 20.84 (0.3) 20.60
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.030

* 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.