All names: Gaia EDR3 593235077791067904, SDSS J092815.67+122209.1, Gaia DR3 593235077791067904, GALEX J092815.6+122209, SDSS J092815.66+122208.8, SDSS J092815.66+122208.87, Gaia DR2 593235077791067904, SDSS J092815.65+122208.8, SDSS J092815.66+122209.1
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 28 15.65 (0.4) | 09 28 15.67 | 09 28 15.65 (0.6) | 09 28 15.68 (0.4) | ||||
| Declination | 12 22 08.71 (0.4) | 12 22 09.11 | 12 22 08.73 (0.7) | 12 22 09.28 (0.4) | ||||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 20492.0 (218) | ||||||
| log(g) | [cgs] | 8.06 (0.04) | ||||||
| Mass | [M☉] | 0.655 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.09 (0.5) | 0.96 (0.8) | 1.09 (0.5) | ||||
| Distance | [pc] | 914.36 (384) | 1042.41 (821) | 914.33 (384) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -25.23742081 (0.5) | -24.89374629 (1) | -25.237 (0.5) | ||||
| Proper motion (declination) | [mas/yr] | -35.65166398 (0.4) | -34.80363536 (1) | -35.652 (0.4) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 19.48 (0.03) | 19.54 (0.03) | 19.48 (0.03) | |||||
| g magnitude | 19.27 (0.01) | 19.28 (0.04) | 19.27 (0.01) | |||||
| r magnitude | 21.26 (0.05) | 20.60 (1) | 21.26 (0.05) | |||||
| i magnitude | 24.36 (0.5) | 24.36 (4) | 24.36 (0.5) | |||||
| z magnitude | 20.72 (0.1) | 20.62 (0.1) | 20.71 (0.1) | |||||
| G magnitude | 19.39 (0.04) | 19.43 | 19.39 (0.005) | |||||
| BP magnitude | 19.35 (0.04) | 19.03 | ||||||
| RP magnitude | 19.64 (0.1) | 19.59 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.027 | |||||||
* 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.