All names: SDSS J002725.06-004423.4, TIC 244174010, Gaia EDR3 2543487058690979200, SDSS J002725.06-004423.5, WD 0024-010, GALEX J002724.9-004423, Gaia DR3 2543487058690979200, SDSS J002725.07-004423.5, SDSS J002725.05-004423.3, 2MASS J00272505-0044236, Gaia DR2 2543487058690979200
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 27 25.05 (0.2) | 00 27 25.06 | 00 27 25.05 (0.3) | 00 27 25.06 (0.2) | 00 27 25.06 | 00 27 24.65 | 00 27 25.06 | |||
| Declination | -00 44 23.41 (0.2) | -00 44 23.39 | -00 44 23.41 (0.2) | -00 44 23.47 (0.2) | -00 44 23.33 | -00 44 18.24 | -00 44 23.46 | |||
| Spectral type | DA+dM | DA+M | DA | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.80 (0.1) | 10.00 (0.003) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.28 (0.3) | 1.35 (0.3) | 1.28 (0.3) | ||||||
| Distance | [pc] | 779.84 (170) | 741.18 (191) | 779.85 (170) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.884029166 (0.3) | -6.909324072 (0.7) | -7.884 (0.3) | -4.7 | |||||
| Proper motion (declination) | [mas/yr] | 3.526009619 (0.2) | 3.23312437 (0.4) | 3.526 (0.2) | 7.1 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.50 (0.02) | |||||||||
| H magnitude | 15.77 (0.2) | |||||||||
| K magnitude | 15.74 (0.03) | |||||||||
| u magnitude | 21.23 (0.08) | 21.06 (0.1) | 21.03 (0.1) | 21.03 | 21.04 (0.1) | |||||
| g magnitude | 20.07 (0.02) | 20.05 (0.02) | 20.04 (0.03) | 20.04 | 20.04 (0.03) | |||||
| r magnitude | 19.17 (0.01) | 19.20 (0.01) | 19.19 (0.03) | 19.19 | 19.17 (0.03) | |||||
| i magnitude | 18.32 (0.009) | 18.36 (0.01) | 18.36 (0.02) | 18.36 | 18.35 (0.02) | |||||
| z magnitude | 17.80 (0.02) | 17.89 (0.02) | 17.88 (0.02) | 17.88 | 17.88 (0.02) | |||||
| G magnitude | 18.90 (0.04) | 18.92 | 18.90 (0.003) | |||||||
| BP magnitude | 19.78 (0.04) | 19.70 | ||||||||
| RP magnitude | 17.95 (0.02) | 17.91 | ||||||||
| Pan g magnitude | 19.96 (0.01) | |||||||||
| Pan r magnitude | 19.20 (0.005) | |||||||||
| Pan i magnitude | 18.34 (0.006) | |||||||||
| Pan z magnitude | 17.95 (0.02) | |||||||||
| Pan y magnitude | 17.69 (0.02) | |||||||||
| E(B-V) | 0.027 | |||||||||
* 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.