All names: GALEX J012150.9-300230, 2QZ J012150.8-300230, Gaia DR2 5029170892731865728, Gaia EDR3 5029170961451355776, Gaia DR3 5029170892731865728
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 21 48.75 (0.4) | 01 21 50.90 (0.9) | ||
| Declination | -30 01 39.30 (0.3) | -30 02 30.78 (0.8) | ||
| Spectral type | DA | |||
| 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] | 4.49 (0.6) | 1.23 (2) | |
| Distance | [pc] | 222.94 (32) | 810.90 (1289) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.447 (0.4) | 36.817 (1) | |
| Proper motion (declination) | [mas/yr] | -14.7 (0.4) | -14.616 (1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.32 (0.005) | 20.85 (0.01) | ||
| BP magnitude | 20.46 (0.07) | |||
| RP magnitude | 19.96 (0.07) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.008 | |||
* 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.