All names: GALEX J142448.5-190500, HE 1422-1851, UCAC4 355-069014, EC14220-1851, 2MASS J14244855-1905002, Gaia DR3 6284281970097781760, TIC 422568272, Gaia DR2 6284281970097781760, WISE J142448.58-190500.5, EC 14220-1851, WISEA J142448.57-190500.6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 24 48.64 | 14 24 48.56 (0.06) | ||
| Declination | -19 05 01.29 | -19 05 00.52 (0.04) | ||
| Spectral type | sdB+MS | sdB+F9 | ||
| Effective temperature | [K] | 33896.0 (500) | ||
| log(g) | [cgs] | 5.19 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.17 (0.1) | 0.19 (0.07) | |
| Distance | [pc] | 5889.28 (3479) | 5257.62 (1858) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.079 (0.2) | -9.212 (0.07) | |
| Proper motion (declination) | [mas/yr] | -4.054 (0.2) | -4.108 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.39 (0.04) | |||
| V magnitude | 16.30 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.17 (0.09) | 16.17 (0.09) | ||
| H magnitude | 15.75 (0.1) | 15.75 (0.1) | ||
| K magnitude | 15.63 (0.2) | 15.63 (0.2) | ||
| u magnitude | 16.37 (0.007) | |||
| g magnitude | 16.37 (0.003) | 16.27 (0.01) | ||
| r magnitude | 16.57 (0.004) | 16.68 (0.01) | ||
| i magnitude | 16.71 (0.005) | |||
| z magnitude | 16.82 (0.01) | |||
| G magnitude | 16.36 (0.002) | 16.33 (0.003) | ||
| BP magnitude | 16.27 (0.008) | |||
| RP magnitude | 16.35 (0.004) | |||
| Pan g magnitude | 16.30 (0.003) | |||
| Pan r magnitude | 16.51 (0.002) | |||
| Pan i magnitude | 16.69 (0.003) | |||
| Pan z magnitude | 16.82 (0.003) | |||
| Pan y magnitude | 16.93 (0.02) | |||
| E(B-V) | 0.064 | |||
* 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.