All names: GALEX J020724.0+071546, 2MASS J02072407+0715466, Gaia EDR3 2521231599018864000, PB 6668, LAMOST J020724.08+071546.4, Gaia DR2 2521231599018864000, SDSS J020724.08+071546.4, TIC 365207316, Gaia DR3 2521231599018864000
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 02 07 24.14 (0.09) | 02 07 24.14 | 02 07 24.06 (0.09) | |||
| Declination | 07 15 45.51 (0.09) | 07 15 45.51 | 07 15 46.89 (0.09) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 17893.0 (170) | 9880.0 (140) | |||
| log(g) | [cgs] | 7.54 (0.04) | 6.62 (0.05) | |||
| Mass | [M☉] | 0.4 (0.02) | 0.148 (0.01) | |||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.87 (0.1) | 3.87 | 3.87 (0.1) | ||
| Distance | [pc] | 258.71 (7) | 258.70 | 258.71 (7) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 69.548 (0.1) | 69.548 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -85.928 (0.1) | -85.928 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 17.50 | |||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 16.50 (0.01) | |||||
| H magnitude | 16.17 (0.02) | |||||
| K magnitude | 15.91 (0.02) | |||||
| u magnitude | 17.51 (0.009) | |||||
| g magnitude | 17.29 (0.004) | |||||
| r magnitude | 17.58 (0.006) | |||||
| i magnitude | 17.66 (0.007) | |||||
| z magnitude | 17.55 (0.02) | |||||
| G magnitude | 17.39 (0.003) | 17.39 | 17.39 (0.003) | |||
| BP magnitude | 17.40 (0.01) | |||||
| RP magnitude | 17.31 (0.01) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.033 | |||||
* 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.