All names: Gaia DR3 2776958418588638848, GALEX J005730.8+140239, SDSS J005730.80+140238.7, USNO-A2.0 0975-00205306, Gaia EDR3 2776958418588638848, Gaia DR2 2776958418588638848
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 57 30.81 (0.5) | 00 57 30.80 (0.5) | ||
| Declination | 14 02 39.00 (0.3) | 14 02 38.78 (0.3) | ||
| Spectral type | DB | |||
| 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] | 2.51 (0.6) | 2.51 (0.6) | |
| Distance | [pc] | 398.28 (99) | 398.28 (99) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 10.585 (0.8) | 10.585 (0.8) | |
| Proper motion (declination) | [mas/yr] | 13.932 (0.5) | 13.932 (0.5) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 19.50 (0.3) | |||
| V magnitude | ||||
| R magnitude | 19.20 (0.3) | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.92 (0.04) | |||
| g magnitude | 20.03 (0.02) | |||
| r magnitude | 20.26 (0.03) | |||
| i magnitude | 20.48 (0.04) | |||
| z magnitude | 20.61 (0.2) | |||
| G magnitude | 20.13 (0.006) | 20.13 (0.006) | ||
| BP magnitude | 20.24 (0.08) | |||
| RP magnitude | 20.31 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.059 | |||
* 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.