All names: TIC 124175842, Gaia DR2 6181058207869535872, EC13047-3049, GALEX J130730.9-310500, EC 13047-3049, Gaia DR3 6181058207869535872, 2MASS J13073102-3105019
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 07 30.97 | 13 07 31.02 (0.04) | ||
| Declination | -31 05 01.83 | -31 05 01.92 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 34700.0 (1100) | ||
| log(g) | [cgs] | 5.35 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.55 (0.09) | 1.46 (0.05) | |
| Distance | [pc] | 643.29 (38) | 684.09 (24) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.875 (0.1) | -3.065 (0.05) | |
| Proper motion (declination) | [mas/yr] | 6.891 (0.1) | 6.835 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.56 | |||
| V magnitude | 12.83 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.40 (0.03) | 13.40 (0.03) | ||
| H magnitude | 13.57 (0.02) | 13.57 (0.02) | ||
| K magnitude | 13.63 (0.04) | 13.63 (0.04) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.79 (0.0009) | 12.76 (0.003) | ||
| BP magnitude | 12.59 (0.01) | |||
| RP magnitude | 13.05 (0.002) | |||
| Pan g magnitude | 12.53 | |||
| Pan r magnitude | 13.02 | |||
| Pan i magnitude | 13.38 | |||
| Pan z magnitude | 13.66 (0.003) | |||
| Pan y magnitude | 13.84 (0.004) | |||
| E(B-V) | 0.039 | |||
* 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.