All names: GALEX J232939.6-751219, TIC 471015300, Gaia DR3 6378029050196549376, Gaia DR2 6378029050196549376, EC 23265-7528, GSC 09477-02181, JL 137, TIC 2054650600, DENIS J232940.0-751220
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 23 29 40.05 | 23 29 40.06 (0.04) | |
| Declination | -75 12 20.43 | -75 12 20.23 (0.04) | |
| Spectral type | DA | sdB | |
| Effective temperature | [K] | 251921.0 (107673) | |
| log(g) | [cgs] | 8.32 (0.4) | |
| Mass | [M☉] | 2.028 (1) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 1.62 | 1.62 (0.05) |
| Distance | [pc] | 619.05 | 619.04 (21) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -2.014 (0.07) | |
| Proper motion (declination) | [mas/yr] | -12.629 (0.06) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.16 | ||
| V magnitude | 16.50 | ||
| R magnitude | |||
| I magnitude | 16.84 (0.1) | ||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.39 | 16.39 (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.