All names: Gaia DR2 121327057972021504, Gaia DR3 121327057972021504, LAMOST J033149.69+305944.92, GALEX J033149.6+305945, LAMOST J033149.68+305944.9, Gaia EDR3 121327057972021504
Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Zhao et al. 2013 | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 03 31 49.70 (0.08) | 03 31 49.69 | 03 31 49.70 | 03 31 49.67 (0.08) | |||
Declination | 30 59 44.72 (0.06) | 30 59 44.92 | 30 59 44.72 | 30 59 45.22 (0.06) | |||
Spectral type | DA | DA | DA2 | ||||
Effective temperature | [K] | 20152.0 (308) | 19435.0 (332) | 18615.0 (561) | |||
log(g) | [cgs] | 8.57 (0.05) | 8.64 (0.06) | 8.44 (0.03) | |||
Mass | [M☉] | 0.98 (0.03) | 1.02 (0.03) | 0.892 (0.02) | |||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | 0.2770 (0.04) | |||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | 7.74 (0.09) | 7.74 | 7.74 (0.09) | |||
Distance | [pc] | 129.13 (1) | 25.00 | 129.13 | 129.13 (1) | ||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | 19.281 (0.1) | 19.281 (0.1) | ||||
Proper motion (declination) | [mas/yr] | -31.408 (0.08) | -31.408 (0.08) | ||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | |||||||
g magnitude | 16.89 | 16.89 | |||||
r magnitude | 17.41 | 17.41 | |||||
i magnitude | 17.67 | 17.67 | |||||
z magnitude | |||||||
G magnitude | 17.19 (0.003) | 17.19 | 17.19 (0.003) | ||||
BP magnitude | 17.14 (0.007) | ||||||
RP magnitude | 17.36 (0.01) | ||||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) | 0.000 |
* 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.