SDSS J234934.15+345815.9

All names: GALEX J234934.1+345816, Gaia DR2 2878278930484513024, SDSS J234934.15+345815.9, Gaia EDR3 2878278930484513024, Gaia DR3 2878278930484513024, SDSS J234934.13+345815.7

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 23 49 34.11 (0.2) 23 49 34.11 23 49 34.16 (0.2)
Declination 34 58 15.76 (0.2) 34 58 15.76 34 58 16.08 (0.2)
Spectral type DB: DB
Effective temperature [K] 11063.0 (470)
log(g) [cgs] 7.87 (0.09)
Mass [M☉] 0.509 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.75 (0.2) 3.75 3.75 (0.2)
Distance [pc] 266.92 (17) 266.92 266.92 (17)
Composition
Proper motion (right ascension) [mas/yr] -37.699 (0.2) -37.699 (0.2)
Proper motion (declination) [mas/yr] -20.049 (0.2) -20.049 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.00 (0.02)
g magnitude 18.97 (0.01)
r magnitude 19.07 (0.01)
i magnitude 19.22 (0.02)
z magnitude 19.34 (0.07)
G magnitude 19.09 (0.004) 19.09 19.09 (0.004)
BP magnitude 19.04 (0.02)
RP magnitude 18.91 (0.04)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.039

* 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.