All names: Gaia DR2 546757862292757760, GALEX J022718.0+733610, Gaia DR3 546757862292757760, SDSS J022718.01+733611.1, SDSS J022718.03+733611.1, SDSSJ022718.01+733611.1, TIC 396013351
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 27 18.01 | 02 27 18.02 (0.02) | ||
| Declination | 73 36 11.19 | 73 36 11.08 (0.02) | ||
| Spectral type | sd | sd | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.82 (0.03) | 0.84 (0.02) | |
| Distance | [pc] | 1226.09 (40) | 1193.18 (30) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.512 (0.04) | 7.494 (0.02) | |
| Proper motion (declination) | [mas/yr] | -4.114 (0.04) | -4.158 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.48 (0.03) | |||
| H magnitude | 12.98 (0.03) | |||
| K magnitude | 12.97 (0.03) | |||
| u magnitude | 16.32 (0.007) | 16.32 (0.007) | ||
| g magnitude | 15.46 (0.003) | 15.46 (0.003) | ||
| r magnitude | 14.91 (0.003) | 14.91 (0.003) | ||
| i magnitude | 14.60 (0.004) | 14.60 (0.004) | ||
| z magnitude | 14.43 (0.004) | 14.43 (0.004) | ||
| G magnitude | 14.90 (0.0004) | 14.88 (0.003) | ||
| BP magnitude | 15.32 (0.003) | |||
| RP magnitude | 14.28 (0.001) | |||
| Pan g magnitude | 15.41 (0.002) | |||
| Pan r magnitude | 14.91 (0.002) | |||
| Pan i magnitude | 14.65 (0.002) | |||
| Pan z magnitude | 14.51 (0.001) | |||
| Pan y magnitude | 14.39 (0.003) | |||
| E(B-V) | 0.324 | |||
* 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.