All names: GALEX J213641.2+014417, SDSS J213641.22+014417.5, Gaia DR3 2688366334333713408, LAMOST J213641.20+014417.6, PHL 63, Gaia DR2 2688366334333713408
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 36 41.18 | 21 36 41.27 (0.08) | |
| Declination | 01 44 17.20 | 01 44 18.04 (0.08) | |
| Spectral type | DB | DB | |
| Effective temperature | [K] | 27005.0 (1041) | |
| log(g) | [cgs] | 7.88 (0.04) | |
| Mass | [M☉] | 0.548 (0.03) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 3.67 | 3.67 (0.09) |
| Distance | [pc] | 272.38 | 272.38 (7) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -90.832 (0.09) | |
| Proper motion (declination) | [mas/yr] | -52.875 (0.08) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 17.10 | ||
| V magnitude | 17.30 | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 17.03 (0.008) | ||
| g magnitude | 17.20 (0.004) | ||
| r magnitude | 17.59 (0.006) | ||
| i magnitude | 17.92 (0.008) | ||
| z magnitude | 18.22 (0.03) | ||
| G magnitude | 17.41 | 17.41 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| 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.