All names: GALEX J040502.1+210600, Gaia DR3 52193374592705536, Gaia DR2 52193374589008384
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 04 05 02.17 | 04 05 02.10 (0.2) | |
| Declination | 21 05 59.42 | 21 06 00.90 (0.1) | |
| Spectral type | DC | DC | |
| Effective temperature | [K] | 9255.0 (337) | |
| log(g) | [cgs] | 8.36 (0.06) | |
| Mass | [M☉] | 0.812 (0.05) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 8.23 | 8.23 (0.2) |
| Distance | [pc] | 121.46 | 121.46 (3) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 66.891 (0.2) | |
| Proper motion (declination) | [mas/yr] | -92.459 (0.1) | |
| 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 | 18.53 | 18.53 (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.