All names: SDSS J102813.88+594339.72, GALEX J102813.9+594340, SDSS J102813.87+594339.7, Gaia EDR3 1047615232996372224, SDSS J102813.88+594339.7, Gaia DR3 1047615232996372224, Gaia DR2 1047615232996372224
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 10 28 13.85 (3) | 10 28 13.90 | 10 28 13.85 (4) | 10 28 13.85 (3) | ||
| Declination | 59 43 39.54 (4) | 59 43 39.42 | 59 43 39.54 (4) | 59 43 39.54 (4) | ||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 9010.0 (1000) | ||||
| log(g) | [cgs] | 5.94 (0.5) | ||||
| Mass | [M☉] | 0.134 (0.02) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | |||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | |||||
| Proper motion (declination) | [mas/yr] | |||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 21.80 (0.2) | 21.79 (0.2) | 21.79 (0.2) | |||
| g magnitude | 21.32 (0.04) | 21.36 (0.04) | 21.36 (0.04) | |||
| r magnitude | 21.38 (0.07) | 21.39 (0.07) | 21.39 (0.07) | |||
| i magnitude | 21.46 (0.1) | 21.49 (0.1) | 21.49 (0.1) | |||
| z magnitude | 22.78 (0.9) | 22.65 (0.9) | ||||
| G magnitude | 21.19 (0.4) | 21.27 | 21.19 (0.02) | |||
| BP magnitude | 21.30 (0.4) | |||||
| RP magnitude | 20.19 (0.2) | |||||
| 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.