All names: TIC 390533105, Gaia DR3 3496411177778539776, EC12378-2603, 2MASS J12403320-2620095, EC 12378-2603, Gaia DR2 3496411177778539776, GALEX J124033.1-262008
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 40 33.25 | 12 40 33.21 (0.04) | ||
| Declination | -26 20 08.61 | -26 20 09.55 (0.03) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.69 (0.07) | 0.50 (0.05) | |
| Distance | [pc] | 1459.64 (141) | 1986.89 (197) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.405 (0.1) | -7.373 (0.06) | |
| Proper motion (declination) | [mas/yr] | -6.3 (0.09) | -6.611 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.38 | |||
| V magnitude | 14.65 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.41 (0.06) | 15.41 (0.06) | ||
| H magnitude | 15.31 (0.09) | 15.31 (0.09) | ||
| K magnitude | 14.90 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.61 (0.0007) | 14.59 (0.003) | ||
| BP magnitude | 14.40 (0.01) | |||
| RP magnitude | 14.88 (0.003) | |||
| Pan g magnitude | 14.45 (0.004) | |||
| Pan r magnitude | 14.85 (0.002) | |||
| Pan i magnitude | 15.22 (0.004) | |||
| Pan z magnitude | 15.50 (0.003) | |||
| Pan y magnitude | 15.69 (0.01) | |||
| E(B-V) | 0.056 | |||
* 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.