All names: Gaia DR2 3700811381516529408, SDSS J122824.13+031510.9, Gaia DR3 3700811381516529408, GALEX J122823.9+031511, SDSS J122824.13+031510.99, Gaia EDR3 3700811381516529408
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 12 28 24.14 (0.5) | 12 28 24.13 | 12 28 24.14 (0.5) | |||
| Declination | 03 15 10.90 (0.3) | 03 15 11.00 | 03 15 10.93 (0.3) | |||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 8332.0 (60) | ||||
| log(g) | [cgs] | 6.86 (0.1) | ||||
| Mass | [M☉] | 0.18235 (0.01) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | -1.17 (0.5) | ||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -2.749909451 (0.8) | -2.75 (0.8) | |||
| Proper motion (declination) | [mas/yr] | -2.036037742 (0.4) | -2.036 (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 | 20.92 (0.09) | 20.93 (0.08) | 20.93 (0.08) | |||
| g magnitude | 19.64 (0.01) | 19.70 (0.02) | 19.70 (0.02) | |||
| r magnitude | 19.59 (0.02) | 19.66 (0.02) | 19.66 (0.02) | |||
| i magnitude | 19.59 (0.03) | 19.67 (0.03) | 19.67 (0.03) | |||
| z magnitude | 19.57 (0.09) | 19.67 (0.09) | 19.67 (0.09) | |||
| G magnitude | 19.66 (0.04) | 19.66 (0.004) | ||||
| BP magnitude | 19.70 (0.04) | |||||
| RP magnitude | 19.38 (0.05) | |||||
| Pan g magnitude | 19.65 (0.03) | |||||
| Pan r magnitude | 19.64 (0.02) | |||||
| Pan i magnitude | 19.66 (0.02) | |||||
| Pan z magnitude | 19.77 (0.03) | |||||
| Pan y magnitude | 19.77 (0.07) | |||||
| 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.