All names: Gaia DR2 494263500692603648, Gaia DR3 494263500692603648, TIC 102719768, UCAC4 804-011665, 2MASS J04092082+7039334
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 04 09 20.67 | 04 09 20.87 (0.03) | |
| Declination | 70 39 32.39 | 70 39 33.17 (0.04) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 15997.0 (180) | |
| log(g) | [cgs] | 8.03 (0.01) | |
| Mass | [M☉] | 0.632 (0.009) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.81 | 9.81 (0.04) |
| Distance | [pc] | 101.93 | 101.93 (0.5) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -62.76 (0.03) | |
| Proper motion (declination) | [mas/yr] | -48.958 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.33 (0.01) | ||
| V magnitude | 16.32 (0.2) | ||
| R magnitude | 16.05 (0.3) | ||
| I magnitude | |||
| J magnitude | 16.57 (0.2) | ||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 16.16 (0.06) | ||
| r magnitude | 16.54 (0.09) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.30 | 16.30 (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.