All names: WISEA J013943.62+424521.2, UCAC4 664-007027, TIC 327343985, Gaia DR3 348573537086742016, LAMOST J013943.63+424521.0, WISE J013943.61+424521.4, Gaia DR2 348573537086742016, 2MASS J01394360+4245215
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 01 39 43.66 | 01 39 43.61 (0.04) | |
| Declination | 42 45 20.80 | 42 45 21.48 (0.04) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 19823.0 (308) | |
| log(g) | [cgs] | 7.99 (0.01) | |
| Mass | [M☉] | 0.62 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 8.97 | 8.97 (0.05) |
| Distance | [pc] | 111.43 | 111.43 (0.6) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 35.145 (0.05) | |
| Proper motion (declination) | [mas/yr] | -42.313 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.90 (0.07) | ||
| V magnitude | 15.97 (0.06) | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.40 (0.09) | ||
| H magnitude | 16.22 (0.2) | ||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 15.77 (0.01) | ||
| r magnitude | 15.99 (0.01) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.03 | 16.03 (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.