All names: TIC 381203990, Gaia DR3 312628749626419328, LAMOST J010113.32+312555.5, SDSS J010113.32+312555.3, 2MASS J01011332+3125555, Gaia DR2 312628749626419328, LAMOST J010113.33+312555.5, UCAC4 608-002882, GALEXJ01012+3125
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 01 13.22 | 01 01 13.34 (0.03) | ||
| Declination | 31 25 57.81 | 31 25 55.49 (0.02) | ||
| Spectral type | sdB+MS | sdB | ||
| Effective temperature | [K] | 27150.0 (250) | ||
| log(g) | [cgs] | 5.48 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.73 (0.06) | 1.78 (0.04) | |
| Distance | [pc] | 577.37 (20) | 562.37 (11) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.797 (0.1) | -8.974 (0.03) | |
| Proper motion (declination) | [mas/yr] | -11.271 (0.09) | -11.31 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.91 (0.03) | |||
| V magnitude | 13.03 (0.04) | |||
| R magnitude | 13.37 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.59 (0.03) | 13.59 (0.03) | ||
| H magnitude | 13.70 (0.04) | 13.70 (0.04) | ||
| K magnitude | 13.91 (0.05) | 13.91 (0.05) | ||
| u magnitude | 13.58 (0.004) | 13.58 (0.004) | ||
| g magnitude | 13.21 (0.002) | 12.90 (0.04) | ||
| r magnitude | 13.46 (0.003) | 13.22 (0.04) | ||
| i magnitude | 14.17 (0.006) | 13.58 (0.03) | ||
| z magnitude | 14.07 (0.006) | 14.07 (0.006) | ||
| G magnitude | 13.08 (0.0009) | 13.06 (0.003) | ||
| BP magnitude | 12.91 (0.006) | |||
| RP magnitude | 13.29 (0.003) | |||
| Pan g magnitude | 12.89 | |||
| Pan r magnitude | 13.33 | |||
| Pan i magnitude | 13.63 (0.004) | |||
| Pan z magnitude | 13.88 (0.006) | |||
| Pan y magnitude | 14.04 (0.003) | |||
| E(B-V) | 0.048 | |||
* 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.