All names: TIC 118298029, GALEXJ02163+2759, 2MASS J02161903+2759019, Gaia DR2 107585292928397568, GALEX J021618.9+275900, SDSS J021619.05+275901.9, Gaia DR3 107585292928397568
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 16 18.95 | 02 16 19.04 (0.03) | ||
| Declination | 27 59 00.73 | 27 59 01.95 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 25480.0 (450) | ||
| log(g) | [cgs] | 5.35 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.50 (0.06) | 1.52 (0.03) | |
| Distance | [pc] | 666.67 (27) | 655.91 (13) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 24.504 (0.1) | 24.628 (0.04) | |
| Proper motion (declination) | [mas/yr] | 6.344 (0.1) | 6.671 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 13.55 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.87 (0.02) | 13.87 (0.02) | ||
| H magnitude | 14.00 (0.03) | 14.00 (0.03) | ||
| K magnitude | 14.11 (0.06) | 14.11 (0.06) | ||
| u magnitude | 13.26 (0.003) | 13.26 (0.003) | ||
| g magnitude | 13.73 (0.005) | 13.73 (0.005) | ||
| r magnitude | 13.61 (0.002) | 13.61 (0.002) | ||
| i magnitude | 13.92 (0.003) | 13.92 (0.003) | ||
| z magnitude | 14.19 (0.004) | 14.19 (0.004) | ||
| G magnitude | 13.45 (0.0007) | 13.43 (0.003) | ||
| BP magnitude | 13.31 (0.005) | |||
| RP magnitude | 13.62 (0.002) | |||
| Pan g magnitude | 12.97 | |||
| Pan r magnitude | 13.45 | |||
| Pan i magnitude | 13.96 (0.002) | |||
| Pan z magnitude | 14.20 (0.003) | |||
| Pan y magnitude | 14.33 (0.004) | |||
| E(B-V) | 0.101 | |||
* 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.