All names: EC 13051-2020, 2MASS J13074783-2036205, GALEX J130747.7-203620, Gaia DR3 3505914256775083776, TIC 101631801, Gaia DR2 3505914256775083776, EC13051-2020
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 07 47.89 | 13 07 47.84 (0.05) | ||
| Declination | -20 36 20.37 | -20 36 20.66 (0.04) | ||
| 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] | 0.75 (0.1) | 0.52 (0.07) | |
| Distance | [pc] | 1326.61 (247) | 1917.18 (265) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -20.57 (0.2) | -20.48 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.162 (0.1) | -3.265 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.12 | |||
| V magnitude | 15.25 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.64 (0.06) | 15.64 (0.06) | ||
| H magnitude | 15.58 (0.1) | 15.58 (0.1) | ||
| K magnitude | 15.52 (0.2) | 15.52 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.25 (0.001) | 15.24 (0.003) | ||
| BP magnitude | 15.10 (0.006) | |||
| RP magnitude | 15.43 (0.003) | |||
| Pan g magnitude | 15.10 (0.003) | |||
| Pan r magnitude | 15.46 (0.002) | |||
| Pan i magnitude | 15.77 (0.002) | |||
| Pan z magnitude | 16.02 (0.003) | |||
| Pan y magnitude | 16.17 (0.005) | |||
| E(B-V) | 0.065 | |||
* 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.