All names: EC 11578-1244, Gaia DR2 3574038760282477952, TIC 180259735, GALEX J120024.4-130052, Gaia DR3 3574038760282477952, Gaia EDR3 3574038760282477952, EC11578-1244, 2MASS J12002440-1300521
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 00 24.41 (0.05) | 12 00 24.49 | 12 00 24.42 (0.05) | ||
| Declination | -13 00 52.59 (0.03) | -13 00 51.17 | -13 00 52.61 (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] | 0.43 (0.06) | 0.37 (0.09) | 0.43 (0.06) | |
| Distance | [pc] | 2320.72 (323) | 2680.97 (669) | 2320.72 (323) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -14.309 (0.07) | -14.165 (0.2) | -14.309 (0.07) | |
| Proper motion (declination) | [mas/yr] | 1.469 (0.04) | 1.683 (0.08) | 1.469 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.06 | ||||
| V magnitude | 16.45 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.79 (0.1) | 16.79 (0.1) | |||
| H magnitude | 16.40 (0.3) | 16.40 (0.3) | |||
| K magnitude | 16.12 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.24 (0.003) | 16.26 (0.002) | 16.24 (0.003) | ||
| BP magnitude | 16.10 (0.005) | 16.05 (0.008) | |||
| RP magnitude | 16.52 (0.007) | 16.50 (0.005) | |||
| Pan g magnitude | 16.07 (0.003) | ||||
| Pan r magnitude | 16.48 (0.002) | ||||
| Pan i magnitude | 16.84 (0.008) | ||||
| Pan z magnitude | 17.10 (0.006) | ||||
| Pan y magnitude | 17.27 (0.008) | ||||
| E(B-V) | 0.043 | ||||
* 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.