All names: GALEX J005022.2-271537, Gaia DR3 2342763445739062144, HBQS 0047-2731, 2QZ J005022.3-271537, Gaia DR2 2342763445739062144, Gaia EDR3 2342763445739062144
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 00 50 22.32 (0.08) | 00 50 22.32 | 00 50 22.34 (0.08) | ||
Declination | -27 15 37.61 (0.08) | -27 15 37.61 | -27 15 37.25 (0.08) | ||
Spectral type | DA | DA | |||
Effective temperature | [K] | 15055.0 (550) | |||
log(g) | [cgs] | 7.90 (0.04) | |||
Mass | [M☉] | 0.558 (0.03) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 4.53 (0.1) | 4.53 | 4.53 (0.1) | |
Distance | [pc] | 220.79 (6) | 220.79 | 220.79 (6) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -21.518 (0.1) | -21.518 (0.1) | ||
Proper motion (declination) | [mas/yr] | -22.373 (0.1) | -22.373 (0.1) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 17.89 | ||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 17.89 (0.003) | 17.89 | 17.89 (0.003) | ||
BP magnitude | 17.86 (0.01) | ||||
RP magnitude | 18.02 (0.02) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.004 |
* Constant surface field
Spectra without link are available upon request
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.