All names: WISEA J021541.68+142918.2, Gaia DR2 75811331030771200, Gaia DR3 75811331030771200, TIC 408567807, 2MASS J02154166+1429180, WISE J021541.67+142918.2, GALEX J021541.6+142919, PG0212+143, PG 0212+143, UCAC2 36757822, UCAC4 523-004017
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 15 41.59 | 02 15 41.67 (0.03) | ||
| Declination | 14 29 17.99 | 14 29 18.03 (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] | 0.81 (0.05) | 0.75 (0.04) | |
| Distance | [pc] | 1228.35 (79) | 1328.90 (69) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 13.907 (0.1) | 14.163 (0.05) | |
| Proper motion (declination) | [mas/yr] | -3.79 (0.09) | -3.822 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.45 (0.04) | |||
| V magnitude | 14.59 (0.02) | |||
| R magnitude | 14.80 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.95 (0.04) | 14.95 (0.04) | ||
| H magnitude | 15.21 (0.09) | 15.21 (0.09) | ||
| K magnitude | 15.05 (0.2) | 15.05 (0.2) | ||
| u magnitude | 14.28 (0.003) | |||
| g magnitude | 14.33 (0.003) | 14.41 (0.02) | ||
| r magnitude | 14.71 (0.003) | 14.75 (0.04) | ||
| i magnitude | 14.99 (0.003) | 14.95 (0.05) | ||
| z magnitude | 15.28 (0.005) | |||
| G magnitude | 14.55 (0.0008) | 14.53 (0.003) | ||
| BP magnitude | 14.39 (0.007) | |||
| RP magnitude | 14.70 (0.002) | |||
| Pan g magnitude | 14.40 (0.003) | |||
| Pan r magnitude | 14.73 (0.0008) | |||
| Pan i magnitude | 15.04 (0.002) | |||
| Pan z magnitude | 15.28 (0.004) | |||
| Pan y magnitude | 15.42 (0.003) | |||
| 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.