All names: Gaia DR3 5030281502555180544, Gaia EDR3 5030281506850326912, Gaia DR2 5030281502555180544, GALEX J011720.3-284517, 2QZ J011720.2-284518
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 01 17 20.26 (1) | 01 17 20.29 (0.4) | |
| Declination | -28 44 45.67 (0.6) | -28 45 17.81 (0.3) | |
| 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] | 2.24 (1) | 0.12 (0.6) |
| Distance | [pc] | 445.59 (269) | 8143.32 (42229) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 6.257 (1) | 3.099 (0.5) |
| Proper motion (declination) | [mas/yr] | -10.115 (1) | -3.205 (0.5) |
| 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 | 20.81 (0.01) | 20.34 (0.006) | |
| BP magnitude | 21.19 (0.1) | ||
| RP magnitude | 19.97 (0.1) | ||
| 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.