All names: Gaia DR2 3694457716136268928, 2QZ J121245.9-021555, GALEX J121245.9-021553, Gaia EDR3 3694457716136268928, SDSS J121245.92-021553.9, Gaia DR3 3694457716136268928
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 12 12 45.90 (0.2) | 12 12 45.90 | 12 12 45.93 (0.2) | ||
Declination | -02 15 54.15 (0.1) | -02 15 54.15 | -02 15 54.01 (0.1) | ||
Spectral type | DA | DA | |||
Effective temperature | [K] | 13841.0 (685) | |||
log(g) | [cgs] | 8.16 (0.07) | |||
Mass | [M☉] | 0.705 (0.06) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 4.12 (0.2) | 4.12 | 4.12 (0.2) | |
Distance | [pc] | 242.71 (13) | 242.70 | 242.71 (13) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -26.676 (0.2) | -26.676 (0.2) | ||
Proper motion (declination) | [mas/yr] | -8.758 (0.2) | -8.758 (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 | 18.91 (0.02) | ||||
g magnitude | 18.53 (0.01) | ||||
r magnitude | 18.78 (0.02) | ||||
i magnitude | 18.99 (0.02) | ||||
z magnitude | 19.15 (0.07) | ||||
G magnitude | 18.64 (0.003) | 18.64 | 18.64 (0.003) | ||
BP magnitude | 18.63 (0.02) | ||||
RP magnitude | 18.74 (0.04) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.024 |
* 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.