All names: GALEX J123849.9+020415, Gaia DR2 3703211306162424576, SDSS J123849.97+020415.3, Gaia EDR3 3703211310459322368, Gaia DR3 3703211310459322368, 2QZ J123850.0+020414
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 12 38 49.94 (0.2) | 12 38 49.94 | 12 38 49.98 (0.2) | ||
Declination | 02 04 15.50 (0.2) | 02 04 15.50 | 02 04 15.34 (0.2) | ||
Spectral type | DA | DA | |||
Effective temperature | [K] | 18334.0 (1557) | |||
log(g) | [cgs] | 7.94 (0.1) | |||
Mass | [M☉] | 0.588 (0.09) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 2.90 (0.2) | 2.90 | 2.90 (0.2) | |
Distance | [pc] | 344.99 (29) | 344.99 | 344.99 (29) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -34.502 (0.3) | -34.502 (0.3) | ||
Proper motion (declination) | [mas/yr] | 10.248 (0.4) | 10.248 (0.4) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 18.50 (0.03) | ||||
g magnitude | 18.42 (0.02) | ||||
r magnitude | 18.77 (0.02) | ||||
i magnitude | 19.05 (0.02) | ||||
z magnitude | 19.34 (0.07) | ||||
G magnitude | 18.62 (0.004) | 18.62 | 18.62 (0.003) | ||
BP magnitude | 18.57 (0.02) | ||||
RP magnitude | 18.77 (0.04) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.022 |
* 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.