All names: TIC 398733009, KUV02062-0917, Gaia DR2 2462283211536460288, Gaia DR3 2462283211536460288, Gaia EDR3 2462283275960618624, TOI-464, GALEX J020840.7-090244, KUV 02062-0917, 2MASS J02084074-0902457
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 08 39.51 (0.6) | 02 08 40.69 | 02 08 40.74 (0.03) | ||
| Declination | -09 02 29.94 (0.6) | -09 02 45.13 | -09 02 45.62 (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] | 1.48 (0.6) | 0.38 (0.06) | 0.28 (0.04) | |
| Distance | [pc] | 675.22 (296) | 2629.50 (449) | 3544.84 (539) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 2.993 (0.8) | 11.782 (0.1) | 11.975 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.0 (0.8) | -9.057 (0.09) | -8.995 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.20 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.50 (0.06) | 15.50 (0.06) | |||
| H magnitude | 15.43 (0.1) | 15.43 (0.1) | |||
| K magnitude | 15.42 (0.2) | 15.42 (0.2) | |||
| u magnitude | 16.87 (0.008) | ||||
| g magnitude | 15.88 (0.003) | ||||
| r magnitude | 15.96 (0.004) | ||||
| i magnitude | 16.05 (0.004) | ||||
| z magnitude | 16.12 (0.007) | ||||
| G magnitude | 20.23 (0.006) | 15.90 (0.001) | 15.88 (0.003) | ||
| BP magnitude | 20.67 (0.09) | 15.97 (0.005) | |||
| RP magnitude | 19.72 (0.08) | 15.74 (0.005) | |||
| Pan g magnitude | 15.90 (0.006) | ||||
| Pan r magnitude | 15.95 (0.003) | ||||
| Pan i magnitude | 16.07 (0.003) | ||||
| Pan z magnitude | 16.16 (0.004) | ||||
| Pan y magnitude | 16.18 (0.007) | ||||
| E(B-V) | 0.033 | ||||
* 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.