WD 2237+000

All names: SDSS J223954.07+001849.2, WD 2237+000, Gaia DR3 2654379433486581760, Gaia EDR3 2654379433485461632, Gaia DR2 2654379433486581760, SDSS J223954.07+001849.4

Parameter Unit Gaia EDR3 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 39 54.12 (0.4) 22 39 54.08 (0.5) 22 39 53.69
Declination 00 18 48.96 (0.4) 00 18 48.97 (0.4) 00 18 45.72
Spectral type DC DAB14.4
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.16 (0.5) 11.89 (0.6)
Distance [pc] 82.24 (3) 84.13 (5)
Composition
Proper motion (right ascension) [mas/yr] -1.756 (0.6) -3.279 (0.9)
Proper motion (declination) [mas/yr] 114.991 (0.4) 115.208 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.34 (0.06)
H magnitude 17.98 (0.1)
K magnitude 18.48 (0.3)
u magnitude 23.20 (0.4) 20.99
g magnitude 20.74 (0.03) 20.99
r magnitude 19.80 (0.02)
i magnitude 19.41 (0.02)
z magnitude 19.15 (0.06)
G magnitude 19.67 (0.006) 19.91 (0.009)
BP magnitude 19.81 (0.1)
RP magnitude 19.07 (0.1)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.006

* 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.