All names: JL 99, TIC 270245694, Gaia DR3 6357229863612184448, EC22075-7640, Gaia DR2 6357229863612184448, GSC 09475-00647, GALEX J221215.2-762602, EC 22075-7640, GALEX J221215.3-762602, UCAC4 068-035940, UBV M 43554, GALEX J221215.1-762602, 2MASS J22121542-7626033, GEN# +6.20022099, PN G313.7-37.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 12 15.32 | 22 12 15.48 (0.03) | ||
| Declination | -76 26 02.90 | -76 26 03.27 (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] | 0.29 (0.05) | 0.29 (0.03) | |
| Distance | [pc] | 3411.80 (565) | 3418.80 (372) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 12.784 (0.09) | 12.731 (0.03) | |
| Proper motion (declination) | [mas/yr] | -13.981 (0.08) | -14.021 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.97 (0.01) | |||
| V magnitude | 15.11 (0.04) | |||
| R magnitude | 15.29 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.22 (0.09) | 15.22 (0.09) | ||
| H magnitude | 14.23 | |||
| K magnitude | 13.81 | |||
| u magnitude | ||||
| g magnitude | 14.96 (0.01) | |||
| r magnitude | 15.18 (0.03) | |||
| i magnitude | 15.36 (0.02) | |||
| z magnitude | ||||
| G magnitude | 15.14 (0.0007) | 15.12 (0.003) | ||
| BP magnitude | 14.98 (0.006) | |||
| RP magnitude | 15.27 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.046 | |||
* 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.