All names: EC20572-8708, 2MASS J21143856-8656453, EC 20572-8708, GALEX J211437.9-865644, Gaia DR2 6342014134512526080, UCAC4 016-006171, TIC 468186329, Gaia DR3 6342014134512526080
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 14 38.53 | 21 14 38.47 (0.03) | ||
| Declination | -86 56 44.63 | -86 56 45.23 (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] | 0.12 (0.06) | 0.25 (0.03) | |
| Distance | [pc] | 8190.01 (4072) | 3987.24 (501) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.177 (0.09) | 0.24 (0.04) | |
| Proper motion (declination) | [mas/yr] | -9.494 (0.09) | -9.592 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.93 (0.07) | |||
| V magnitude | 15.86 (0.01) | |||
| R magnitude | 16.06 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.01 (0.09) | 16.01 (0.09) | ||
| H magnitude | 16.24 (0.2) | 16.24 (0.2) | ||
| K magnitude | 15.94 | |||
| u magnitude | ||||
| g magnitude | 15.76 (0.01) | |||
| r magnitude | 16.00 (0.01) | |||
| i magnitude | 16.05 (0.01) | |||
| z magnitude | ||||
| G magnitude | 15.88 (0.0008) | 15.86 (0.003) | ||
| BP magnitude | 15.83 (0.006) | |||
| RP magnitude | 15.86 (0.005) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.108 | |||
* 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.