All names: WISE J081959.62+224100.5, Gaia DR3 676607952150024448, Gaia DR2 676607952150024448, SDSS J081959.61+224100.6, LAMOST J081959.64+224100.9, Gaia EDR3 676607952150024448, SDSSJ081959.61+224100.6, 2MASS J08195961+2241005, UCAC4 564-043327, TIC 14452493, GALEX J081959.6+224101
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 19 59.62 (0.04) | 08 19 59.61 | 08 19 59.62 (0.04) | ||
| Declination | 22 41 00.61 (0.03) | 22 41 00.64 | 22 41 00.64 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 31300.0 (180) | |||
| log(g) | [cgs] | 5.69 (0.07) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.77 (0.05) | 0.66 (0.08) | 0.77 (0.05) | |
| Distance | [pc] | 1296.51 (88) | 1513.78 (176) | 1296.51 (88) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.176 (0.05) | -0.141 (0.1) | -0.176 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.694 (0.04) | -1.813 (0.1) | -1.694 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | 16.03 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 16.28 (0.1) | 16.28 (0.1) | |||
| H magnitude | 16.13 (0.2) | 16.13 (0.2) | |||
| K magnitude | 16.21 | 16.48 (0.03) | |||
| u magnitude | 15.15 (0.004) | 15.15 (0.01) | |||
| g magnitude | 15.36 (0.003) | 15.40 (0.02) | |||
| r magnitude | 15.82 (0.003) | 15.82 (0.01) | |||
| i magnitude | 16.18 (0.004) | 16.19 (0.01) | |||
| z magnitude | 16.50 (0.009) | 16.49 (0.01) | |||
| G magnitude | 15.62 (0.003) | 15.64 (0.0007) | 15.62 (0.003) | ||
| BP magnitude | 15.49 (0.003) | 15.42 (0.01) | |||
| RP magnitude | 15.88 (0.005) | 15.88 (0.004) | |||
| Pan g magnitude | 15.44 (0.007) | ||||
| Pan r magnitude | 15.85 (0.002) | ||||
| Pan i magnitude | 16.21 (0.002) | ||||
| Pan z magnitude | 16.49 (0.003) | ||||
| Pan y magnitude | 16.66 (0.008) | ||||
| E(B-V) | 0.034 | ||||
* 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.