All names: SDSS J094512.24+270257.9, Gaia EDR3 646821701115785216, GALEX J094512.2+270257, SDSS J094512.24+270257.8, Gaia DR3 646821701115785216, Gaia DR2 646821701115785216
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 09 45 12.24 (0.3) | 09 45 12.23 (0.3) | |
| Declination | 27 02 57.79 (0.3) | 27 02 58.05 (0.3) | |
| Spectral type | 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] | 0.53 (0.3) | 0.53 (0.3) |
| Distance | [pc] | 1877.23 (907) | 1877.23 (907) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 4.552 (0.3) | 4.552 (0.3) |
| Proper motion (declination) | [mas/yr] | -16.491 (0.3) | -16.491 (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 | 18.58 (0.02) | ||
| g magnitude | 18.77 (0.008) | ||
| r magnitude | 19.12 (0.01) | ||
| i magnitude | 19.27 (0.02) | ||
| z magnitude | 19.27 (0.05) | ||
| G magnitude | 18.95 (0.005) | 18.95 (0.005) | |
| BP magnitude | 18.88 (0.02) | ||
| RP magnitude | 19.07 (0.05) | ||
| 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.