All names: UCAC4 096-003378, Gaia EDR3 4645779163881638528, [DI91] 1354, WDJ02537.82-705856.30, EC 02527-7111, WISE J025307.77-705856.8, WDJ025307.82-705856.31, Gaia DR3 4645779163881638528, 2MASS J02530780-7058562, Gaia DR2 4645779163881638528, GALEX J025307.6-705856, TIC 259963376
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 53 07.69 (0.03) | 02 53 07.69 | 02 53 07.69 | 02 53 07.82 (0.03) | 02 53 07.69 | ||
| Declination | -70 58 57.29 (0.03) | -70 58 57.26 | -70 58 57.29 | -70 58 56.31 (0.03) | -70 58 57.26 | ||
| Spectral type | DB | D | |||||
| Effective temperature | [K] | 13110.0 (138) | |||||
| log(g) | [cgs] | 8.06 (0.01) | |||||
| Mass | [M☉] | 0.624 (0.01) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 12.96 (0.03) | 12.95 (0.05) | 12.96 | 12.96 (0.03) | 12.95 (0.05) | |
| Distance | [pc] | 77.17 (0.2) | 77.25 (0.3) | 77.17 | 77.17 (0.2) | 77.25 (0.3) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -39.54832952 (0.04) | -39.65027731 (0.08) | -39.548 (0.04) | -39.65027731 | ||
| Proper motion (declination) | [mas/yr] | -61.44312858 (0.04) | -61.39792956 (0.08) | -61.443 (0.04) | -61.39792956 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.09 (0.06) | ||||||
| V magnitude | 16.13 (0.04) | ||||||
| R magnitude | 16.20 (0.2) | ||||||
| I magnitude | |||||||
| J magnitude | 16.14 (0.1) | ||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | 16.03 (0.06) | ||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.10 (0.003) | 16.13 | 16.10 | 16.10 (0.003) | 16.13 | ||
| BP magnitude | 16.07 (0.003) | 16.04 | 16.04 | ||||
| RP magnitude | 16.15 (0.003) | 16.15 | 16.15 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.002 | ||||||
* 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.