All names: GALEX J072545.7+252314, Gaia DR2 870243181139477376, Gaia DR3 870243181139477376, LAMOST J072545.73+252313.6, SDSS J072545.75+252315.3
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 07 25 45.74 | 07 25 45.76 (0.1) | |
| Declination | 25 23 15.06 | 25 23 15.41 (0.07) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 25908.0 (1131) | |
| log(g) | [cgs] | 8.14 (0.05) | |
| Mass | [M☉] | 0.717 (0.04) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 4.16 | 4.16 (0.1) |
| Distance | [pc] | 240.44 | 240.44 (6) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -11.369 (0.1) | |
| Proper motion (declination) | [mas/yr] | -21.851 (0.09) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 17.19 (0.008) | ||
| g magnitude | 17.22 (0.004) | ||
| r magnitude | 17.62 (0.006) | ||
| i magnitude | 17.95 (0.008) | ||
| z magnitude | 18.21 (0.03) | ||
| G magnitude | 17.43 | 17.43 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.