All names: TIC 262927968, Gaia DR2 4634669286077892224, JL 204, GSC 09355-01376, EC 00392-7922, EC00392-7922, 2MASS J00404861-7906155, Gaia DR3 4634669286077892224
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 40 48.35 | 00 40 48.94 (0.03) | ||
| Declination | -79 06 13.64 | -79 06 14.98 (0.02) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.62 (0.05) | 0.58 (0.03) | |
| Distance | [pc] | 1621.27 (125) | 1717.03 (81) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 8.428 (0.08) | 8.283 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.95 (0.08) | 1.984 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.54 | |||
| V magnitude | 15.83 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.28 (0.1) | 16.28 (0.1) | ||
| H magnitude | 16.15 (0.2) | 16.15 (0.2) | ||
| K magnitude | 15.80 (0.3) | 15.80 (0.3) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.71 (0.001) | 15.69 (0.003) | ||
| BP magnitude | 15.54 (0.009) | |||
| RP magnitude | 15.87 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.066 | |||
* 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.