All names: TIC 52402679, Gaia DR3 4687728624858429312, 2MASS J01380850-7146424, EC01369-7201, EC 01369-7201, UCAC4 092-002761, Gaia DR2 4687728624858429312
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 38 08.30 | 01 38 08.51 (0.03) | ||
| Declination | -71 46 43.86 | -71 46 42.56 (0.03) | ||
| 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] | 0.04 (0.04) | 0.04 (0.03) | |
| Distance | [pc] | 26595.74 (28010) | 27100.27 (23722) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.677 (0.08) | 1.583 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.971 (0.07) | -0.994 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.35 (0.02) | |||
| V magnitude | 15.47 (0.03) | |||
| R magnitude | 15.75 (0.3) | |||
| I magnitude | ||||
| J magnitude | 16.11 (0.09) | 16.11 (0.09) | ||
| H magnitude | 16.27 | |||
| K magnitude | 16.80 | |||
| u magnitude | ||||
| g magnitude | 15.32 (0.04) | |||
| r magnitude | 15.72 (0.02) | |||
| i magnitude | 15.92 (0.01) | |||
| z magnitude | ||||
| G magnitude | 15.53 (0.0007) | 15.51 (0.003) | ||
| BP magnitude | 15.35 (0.007) | |||
| RP magnitude | 15.74 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.022 | |||
* 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.