All names: PHL 1447, PB 6863, LB 2772, HBQS 0240+0107, WISE J024315.87+011957.2, WISEA J024315.89+011957.2, SDSS J024315.82+011956.4, Gaia DR2 2502315948867462784, Gaia DR3 2502315948867462784, [HH86] 0240+011
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 02 43 15.86 | 02 43 15.78 (0.07) | |
| Declination | 01 19 56.24 | 01 19 56.59 (0.06) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 18618.0 (495) | |
| log(g) | [cgs] | 7.41 (0.03) | |
| Mass | [M☉] | 0.359 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 4.75 | 4.75 (0.08) |
| Distance | [pc] | 210.60 | 210.60 (4) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 68.919 (0.08) | |
| Proper motion (declination) | [mas/yr] | -22.192 (0.07) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.80 | ||
| V magnitude | 17.00 | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 16.70 (0.007) | ||
| g magnitude | 16.58 (0.005) | ||
| r magnitude | 16.88 (0.005) | ||
| i magnitude | 17.14 (0.006) | ||
| z magnitude | 18.59 (0.03) | ||
| G magnitude | 16.73 | 16.73 (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.