All names: Gaia DR3 108002248353357312, TIC 118297100, 2MASS J02155028+2920454, UCAC4 597-005560, KUV02129+2907, Gaia DR2 108002248353357312, Gaia EDR3 108002248353357312, KUV 02129+2907, LAMOST J021550.27+292045.4, UCAC2 42005164
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 15 50.28 (0.05) | 02 15 50.28 | 02 15 50.27 (0.05) | ||
| Declination | 29 20 45.18 (0.03) | 29 20 45.41 | 29 20 45.27 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 23820.0 (123) | |||
| log(g) | [cgs] | 5.61 (0.02) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.89 (0.04) | 1.98 (0.09) | 1.89 (0.04) | |
| Distance | [pc] | 528.88 (12) | 505.46 (24) | 528.88 (12) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.2 (0.06) | 4.206 (0.1) | 4.2 (0.06) | |
| Proper motion (declination) | [mas/yr] | -5.84 (0.03) | -5.827 (0.09) | -5.84 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.87 (0.05) | ||||
| V magnitude | 14.02 (0.05) | ||||
| R magnitude | 14.33 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 14.38 (0.03) | 14.38 (0.03) | |||
| H magnitude | 14.49 (0.05) | 14.49 (0.05) | |||
| K magnitude | 14.42 (0.07) | 14.42 (0.07) | |||
| u magnitude | 13.85 (0.003) | ||||
| g magnitude | 13.81 (0.003) | 13.83 (0.04) | |||
| r magnitude | 14.18 (0.003) | 14.15 (0.06) | |||
| i magnitude | 14.45 (0.003) | 14.51 (0.08) | |||
| z magnitude | 14.72 (0.005) | ||||
| G magnitude | 14.00 (0.003) | 14.01 (0.001) | 14.00 (0.003) | ||
| BP magnitude | 13.92 (0.003) | 13.88 (0.009) | |||
| RP magnitude | 14.15 (0.004) | 14.15 (0.004) | |||
| Pan g magnitude | 13.88 (0.007) | ||||
| Pan r magnitude | 14.19 (0.005) | ||||
| Pan i magnitude | 14.49 (0.007) | ||||
| Pan z magnitude | 14.71 (0.004) | ||||
| Pan y magnitude | 14.85 (0.004) | ||||
| E(B-V) | 0.097 | ||||
* 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.