All names: SDSS J084531.66+011551.4, SDSS J084531.67+011551.44, SDSS J084531.67+011551.4, Gaia DR3 3075763553979645952, Gaia DR2 3075763553979645952, GALEX J084531.7+011551, Gaia EDR3 3075763553979645952
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 45 31.66 (0.2) | 08 45 31.67 | 08 45 31.66 (0.3) | 08 45 31.66 | 08 45 31.68 (0.2) | |||||
| Declination | 01 15 51.60 (0.1) | 01 15 51.45 | 01 15 51.59 (0.2) | 01 15 51.60 | 01 15 51.42 (0.1) | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 8192.0 (56) | 8194.0 (315) | |||||||
| log(g) | [cgs] | 8.08 (0.08) | 7.85 (0.1) | |||||||
| Mass | [M☉] | 0.6409999999999999 (0.05) | 0.508 (0.08) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 4.72 (0.3) | 4.88 (0.4) | 4.72 | 4.72 (0.3) | |||||
| Distance | [pc] | 212.06 (13) | 204.95 (16) | 212.06 | 212.06 (13) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.20255356 (0.3) | -12.89895829 (0.6) | -13.203 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 10.83313199 (0.2) | 11.65678505 (0.5) | 10.833 (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 | 19.91 (0.04) | 19.91 (0.05) | 19.91 (0.04) | |||||||
| g magnitude | 19.40 (0.01) | 19.41 (0.02) | 19.40 (0.01) | |||||||
| r magnitude | 19.32 (0.02) | 19.32 (0.02) | 19.32 (0.01) | |||||||
| i magnitude | 19.35 (0.02) | 19.36 (0.03) | 19.35 (0.02) | |||||||
| z magnitude | 19.43 (0.09) | 19.43 (0.09) | 19.43 (0.09) | |||||||
| G magnitude | 19.27 (0.03) | 19.31 | 19.27 | 19.27 (0.004) | ||||||
| BP magnitude | 19.47 (0.03) | 19.47 | ||||||||
| RP magnitude | 19.11 (0.04) | 19.09 | ||||||||
| Pan g magnitude | 19.34 (0.01) | |||||||||
| Pan r magnitude | 19.34 (0.02) | |||||||||
| Pan i magnitude | 19.37 (0.01) | |||||||||
| Pan z magnitude | 19.46 (0.02) | |||||||||
| Pan y magnitude | 19.54 (0.08) | |||||||||
| E(B-V) | 0.014 | |||||||||
* 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.