All names: Gaia DR2 6230540904044182144, GALEX J144406.5-231534, EC 14412-2302, Gaia EDR3 6230540904044182144, EC14412-2302, Gaia DR3 6230540904044182144, 2MASS J14440648-2315352, TIC 309131330
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 44 06.48 (0.09) | 14 44 06.49 | 14 44 06.47 (0.09) | ||
| Declination | -23 15 35.41 (0.08) | -23 15 35.21 | -23 15 35.33 (0.08) | ||
| 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] | 0.73 (0.1) | 0.72 (0.1) | 0.73 (0.1) | |
| Distance | [pc] | 1375.89 (186) | 1381.60 (248) | 1375.89 (186) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 7.363 (0.1) | 7.725 (0.3) | 7.363 (0.1) | |
| Proper motion (declination) | [mas/yr] | -5.014 (0.1) | -5.062 (0.2) | -5.014 (0.1) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.25 | ||||
| V magnitude | 16.24 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.10 (0.09) | 16.10 (0.09) | |||
| H magnitude | 15.64 (0.1) | 15.64 (0.1) | |||
| K magnitude | 15.18 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.29 (0.004) | 16.30 (0.002) | 16.29 (0.004) | ||
| BP magnitude | 16.21 (0.005) | 16.18 (0.008) | |||
| RP magnitude | 16.30 (0.007) | 16.31 (0.005) | |||
| Pan g magnitude | 16.21 (0.003) | ||||
| Pan r magnitude | 16.47 (0.002) | ||||
| Pan i magnitude | 16.66 (0.002) | ||||
| Pan z magnitude | 16.77 (0.006) | ||||
| Pan y magnitude | 16.83 (0.005) | ||||
| E(B-V) | 0.077 | ||||
* 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.