All names: GALEX J213542.7+233520, Gaia DR2 1797201749019618816, Gaia DR3 1797201749019618816
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 35 42.73 | 21 35 42.68 (0.2) | |
| Declination | 23 35 20.84 | 23 35 20.75 (0.2) | |
| Spectral type | DA: | DA | |
| Effective temperature | [K] | 6098.0 (151) | |
| log(g) | [cgs] | 7.64 (0.07) | |
| Mass | [M☉] | 0.398 (0.05) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 7.40 | 7.40 (0.2) |
| Distance | [pc] | 135.15 | 135.16 (4) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 45.322 (0.3) | |
| Proper motion (declination) | [mas/yr] | 5.607 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 19.08 | 19.08 (0.004) | |
| 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.