All names: TIC 271576664, GSC 09465-00403, 2MASS J21162366-7658050, EC 21106-7710, EC21106-7710, Gaia DR3 6368269750629164672, Gaia DR2 6368269750629164672, JL 74, GALEX J211623.3-765804
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 16 23.79 | 21 16 23.64 (0.02) | ||
| Declination | -76 58 03.58 | -76 58 04.96 (0.02) | ||
| 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] | 0.58 (0.04) | 0.69 (0.03) | |
| Distance | [pc] | 1733.40 (122) | 1446.55 (55) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 13.47 (0.07) | 13.362 (0.03) | |
| Proper motion (declination) | [mas/yr] | -13.452 (0.07) | -13.357 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.29 | |||
| V magnitude | 15.18 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.40 (0.04) | 14.40 (0.04) | ||
| H magnitude | 14.11 (0.05) | 14.11 (0.05) | ||
| K magnitude | 14.02 (0.05) | 14.02 (0.05) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.11 (0.0007) | 15.10 (0.003) | ||
| BP magnitude | 15.19 (0.005) | |||
| RP magnitude | 14.86 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.060 | |||
* 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.