All names: UCAC4 141-206369, Gaia DR2 6451742611825266176, EC 21115-6211, 2MASS J21153259-6158495, TIC 410414842, GALEX J211532.5-615848, Gaia DR3 6451742611825266176
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 15 32.61 | 21 15 32.62 (0.02) | |
| Declination | -61 58 49.26 | -61 58 49.51 (0.03) | |
| Spectral type | DO | DO | |
| Effective temperature | [K] | 121220.0 (33133) | |
| log(g) | [cgs] | 8.04 (0.3) | |
| Mass | [M☉] | 0.773 (0.2) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 2.79 | 2.79 (0.04) |
| Distance | [pc] | 358.24 | 358.24 (5) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -0.91 (0.03) | |
| Proper motion (declination) | [mas/yr] | 15.142 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.64 (0.03) | ||
| V magnitude | 15.93 (0.01) | ||
| R magnitude | 16.06 (0.1) | ||
| I magnitude | |||
| J magnitude | 16.48 (0.1) | ||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 15.69 (0.01) | ||
| r magnitude | 16.16 (0.01) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 15.90 | 15.90 (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.