All names: LAMOST J012509.47+283608.6, Gaia EDR3 297045951145795328, GALEX J012509.4+283609, Gaia DR3 297045951145795328, Gaia DR2 297045951145795328
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 25 09.46 (0.3) | 01 25 09.49 (0.3) | |||
| Declination | 28 36 08.63 (0.2) | 28 36 08.93 (0.2) | |||
| Spectral type | DA | DA | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.39 (0.4) | 3.39 (0.4) | ||
| Distance | [pc] | 295.06 (31) | 295.06 (31) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -20.373 (0.5) | -20.373 (0.5) | ||
| Proper motion (declination) | [mas/yr] | -18.26 (0.3) | -18.26 (0.3) | ||
| 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 | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 19.46 (0.005) | 19.46 (0.005) | |||
| BP magnitude | 19.46 (0.07) | ||||
| RP magnitude | 19.49 (0.07) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.043 | ||||
* 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.