All names: UCAC4 153-003068, GALEXJ03154-5934, TIC 207208668, GALEX J031529.9-593404, WISE J031530.07-593404.9, 2MASS J03153007-5934049, Gaia DR3 4723810851270083072, EC 03143-5945, Gaia DR2 4723810851270083072
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 15 29.95 | 03 15 30.07 (0.03) | ||
| Declination | -59 34 04.65 | -59 34 04.94 (0.02) | ||
| Spectral type | sdB+MS | 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] | 1.07 (0.03) | 1.01 (0.03) | |
| Distance | [pc] | 930.32 (29) | 986.39 (25) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 15.199 (0.08) | 14.781 (0.04) | |
| Proper motion (declination) | [mas/yr] | 1.166 (0.06) | 1.62 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.48 (0.02) | |||
| V magnitude | 13.38 (0.02) | |||
| R magnitude | 13.54 (0.1) | |||
| I magnitude | ||||
| J magnitude | 12.90 (0.02) | 12.90 (0.02) | ||
| H magnitude | 12.74 (0.02) | 12.74 (0.02) | ||
| K magnitude | 12.68 (0.03) | 12.68 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | 13.42 (0.02) | |||
| i magnitude | 13.50 (0.02) | |||
| z magnitude | ||||
| G magnitude | 13.33 (0.0005) | 13.31 (0.003) | ||
| BP magnitude | 13.36 (0.003) | |||
| RP magnitude | 13.17 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.021 | |||
* 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.