All names: EC 02527-7111, WDJ02537.82-705856.30, UCAC4 096-003378, [DI91] 1354, TIC 259963376, WDJ025307.82-705856.31, GALEX J025307.6-705856, 2MASS J02530780-7058562, WISE J025307.77-705856.8, Gaia DR2 4645779163881638528, Gaia DR3 4645779163881638528, Gaia EDR3 4645779163881638528
| 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.