All names: UCAC4 552-042940, 2MASS J08140680+2019015, SDSSJ081406.80+201901.7, EPIC 212003762, LAMOST J081406.83+201901.1, GALEX J081406.8+201900, Gaia DR2 675664193216392704, LAMOST J081406.79+201901.6, SDSS J081406.79+201901.7, Gaia DR3 675664193216392704
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 14 06.80 | 08 14 06.80 (0.03) | ||
| Declination | 20 19 01.70 | 20 19 01.73 (0.02) | ||
| Spectral type | sdB+MS | sdB2.5He7+G/K | ||
| 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] | 0.31 (0.06) | 0.35 (0.04) | |
| Distance | [pc] | 3209.24 (591) | 2887.67 (305) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.334 (0.1) | 0.604 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.63 (0.06) | -2.38 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 15.56 | |||
| R magnitude | 15.84 (0.08) | |||
| I magnitude | ||||
| J magnitude | 15.45 (0.05) | 15.45 (0.05) | ||
| H magnitude | 15.22 (0.08) | 15.22 (0.08) | ||
| K magnitude | 15.15 (0.1) | 15.15 (0.1) | ||
| u magnitude | 15.88 (0.006) | 15.88 (0.006) | ||
| g magnitude | 15.68 (0.004) | 15.68 (0.004) | ||
| r magnitude | 15.86 (0.005) | 15.86 (0.005) | ||
| i magnitude | 15.96 (0.005) | 15.96 (0.005) | ||
| z magnitude | 16.08 (0.007) | 16.08 (0.007) | ||
| G magnitude | 15.76 (0.0007) | 15.74 (0.003) | ||
| BP magnitude | 15.75 (0.007) | |||
| RP magnitude | 15.66 (0.003) | |||
| Pan g magnitude | 15.74 (0.004) | |||
| Pan r magnitude | 15.88 (0.003) | |||
| Pan i magnitude | 16.00 (0.002) | |||
| Pan z magnitude | 16.10 (0.003) | |||
| Pan y magnitude | 16.17 (0.005) | |||
| 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.