2QZ J232803.2-290021

All names: Gaia DR2 2330212791090396416, Gaia EDR3 2330212791090396416, USNO-A2.0 0600-44579442, 2QZ J232803.2-290021, GALEX J232803.2-290021, Gaia DR3 2330212791090396416

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 23 28 03.24 (0.09) 23 28 03.24 23 28 03.26 (0.09)
Declination -29 00 21.58 (0.1) -29 00 21.58 -29 00 21.42 (0.1)
Spectral type DB DB
Effective temperature [K] 12987.0 (393)
log(g) [cgs] 7.96 (0.05)
Mass [M] 0.563 (0.04)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.14 (0.1) 5.14 5.14 (0.1)
Distance [pc] 194.62 (5) 194.63 194.62 (5)
Composition
Proper motion (right ascension) [mas/yr] -15.818 (0.1) -15.818 (0.1)
Proper motion (declination) [mas/yr] -10.406 (0.1) -10.406 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00 (0.3)
V magnitude
R magnitude 17.60 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.97 (0.003) 17.97 17.97 (0.003)
BP magnitude 17.98 (0.01)
RP magnitude 18.05 (0.01)
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.