WD 0227+261

All names: Gaia EDR3 127301632358361856, SDSS J023016.32+262355.2, WD 0227+261, Gaia DR3 127301632358361856, GALEX J023016.3+262355, SDSS J023016.29+262355.2, SDSS J023016.26+262355.83, Gaia DR2 127301632358361856

Parameter Unit Gaia EDR3 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 30 16.31 (2) 02 30 16.24 02 30 16.31 (6) 02 30 16.31 (2) 02 30 15.70
Declination 26 23 55.28 (3) 26 23 56.01 26 23 55.28 (2) 26 23 55.28 (3) 26 23 54.24
Spectral type DB+M_known DB DB3.0 M
Effective temperature [K] 16260.0 (2000)
log(g) [cgs] 6.50 (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 23.02 (0.4) 23.02 (0.4) 19.11 (0.02) 19.63
g magnitude 21.76 (0.06) 21.76 (0.06) 19.01 (0.009) 19.43
r magnitude 19.47 (0.02) 19.47 (0.02) 19.15 (0.01) 18.98
i magnitude 17.69 (0.007) 17.69 (0.01) 21.03 (0.1) 18.02
z magnitude 16.99 (0.01) 16.99 (0.01) 19.93 (0.1) 17.33
G magnitude 19.18 19.24 19.18 (0.006)
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
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.