All names: SDSS J080656.68+152719.9, TIC 69298924, 2MASS J08065668+1527200, GSC2.3 N86D003544, GALEX J080656.7+152718, LAMOST J080656.68+152719.9, Gaia DR2 654866823401111168, [BGR2011] J08069+1527, LAMOST J080656.76+152718.1, GALEXJ08069+1527, Gaia DR3 654866823401111168
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 06 56.80 | 08 06 56.68 (0.03) | ||
| Declination | 15 27 20.06 | 15 27 19.97 (0.02) | ||
| Spectral type | sdBV | sdB | ||
| Effective temperature | [K] | 29410.0 (610) | ||
| log(g) | [cgs] | 5.44 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.67 (0.06) | 0.67 (0.04) | |
| Distance | [pc] | 1484.12 (133) | 1503.53 (86) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.457 (0.1) | 0.447 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.171 (0.06) | -6.137 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.30 (0.4) | |||
| V magnitude | 14.69 | |||
| R magnitude | 14.72 (0.4) | |||
| I magnitude | 14.80 (0.4) | |||
| J magnitude | 15.43 (0.06) | 15.43 (0.06) | ||
| H magnitude | 15.06 | |||
| K magnitude | 15.21 | |||
| u magnitude | 14.62 (0.005) | 14.41 (0.03) | ||
| g magnitude | 14.74 (0.004) | 14.49 (0.02) | ||
| r magnitude | 15.18 (0.005) | 15.00 (0.01) | ||
| i magnitude | 15.41 (0.005) | 15.31 (0.02) | ||
| z magnitude | 15.55 (0.007) | 15.72 (0.03) | ||
| G magnitude | 14.77 (0.002) | 14.75 (0.003) | ||
| BP magnitude | 14.56 (0.007) | |||
| RP magnitude | 15.01 (0.004) | |||
| Pan g magnitude | 14.60 (0.005) | |||
| Pan r magnitude | 15.02 (0.005) | |||
| Pan i magnitude | 15.36 (0.002) | |||
| Pan z magnitude | 15.59 (0.002) | |||
| Pan y magnitude | 15.78 (0.006) | |||
| E(B-V) | 0.028 | |||
* 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.