All names: Gaia DR2 932196125879502976, GALEX J081648.8+502954, Gaia EDR3 932196125879502976, Gaia DR3 932196125879502976, SDSS J081648.93+502954.2, SDSS J081648.93+502953.9, SDSS J081648.93+502954.24
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 16 48.89 (1) | 08 16 48.94 | 08 16 48.89 (6) | 08 16 48.94 (1) | ||||
| Declination | 50 29 53.85 (0.7) | 50 29 53.94 | 50 29 53.86 (1) | 50 29 54.02 (0.7) | ||||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | 8299.0 (180) | ||||||
| log(g) | [cgs] | 8.67 (0.2) | ||||||
| Mass | [M☉] | 0.999 (0.1) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 4.52 (1) | 4.52 (1) | |||||
| Distance | [pc] | 221.40 (67) | 221.40 (67) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -33.09041168 (2) | -33.09 (2) | |||||
| Proper motion (declination) | [mas/yr] | -10.41738724 (1) | -10.417 (1) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.14 (0.09) | 21.12 (0.09) | 21.14 (0.1) | |||||
| g magnitude | 20.78 (0.03) | 20.79 (0.04) | 20.78 (0.03) | |||||
| r magnitude | 20.71 (0.04) | 20.73 (0.04) | 20.71 (0.04) | |||||
| i magnitude | 20.66 (0.06) | 20.68 (0.06) | 20.66 (0.06) | |||||
| z magnitude | 20.58 (0.2) | 20.61 (0.2) | 20.61 (0.2) | |||||
| G magnitude | 20.69 (0.2) | 20.77 | 20.69 (0.01) | |||||
| BP magnitude | 21.15 (0.2) | 20.89 | ||||||
| RP magnitude | 20.37 (0.2) | 20.50 | ||||||
| Pan g magnitude | 20.83 (0.04) | |||||||
| Pan r magnitude | 20.72 (0.04) | |||||||
| Pan i magnitude | 20.66 (0.02) | |||||||
| Pan z magnitude | 20.64 (0.1) | |||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.013 | |||||||
* 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.