All names: GALEX J140706.4+293820, LAMOST J140706.43+293819.8, Gaia DR3 1453269156027350144, Gaia DR2 1453269156027350144, SDSSJ140706.43+293819.8, SDSS J140706.43+293819.8
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 07 06.44 | 14 07 06.44 (0.05) | ||
| Declination | 29 38 19.85 | 29 38 19.83 (0.05) | ||
| Spectral type | sdB | B8III | ||
| Effective temperature | [K] | 30148.0 (380) | ||
| log(g) | [cgs] | 5.27 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.17 (0.1) | 0.09 (0.08) | |
| Distance | [pc] | 5913.66 (3396) | 11389.52 (10559) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.682 (0.2) | -1.427 (0.09) | |
| Proper motion (declination) | [mas/yr] | -2.108 (0.2) | -2.483 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 17.20 (0.009) | 17.22 (0.009) | ||
| g magnitude | 17.15 (0.004) | 17.14 (0.004) | ||
| r magnitude | 17.56 (0.005) | 17.55 (0.005) | ||
| i magnitude | 17.87 (0.008) | 17.87 (0.008) | ||
| z magnitude | 18.14 (0.03) | 18.12 (0.03) | ||
| G magnitude | 17.37 (0.001) | 17.34 (0.003) | ||
| BP magnitude | 17.20 (0.008) | |||
| RP magnitude | 17.55 (0.007) | |||
| Pan g magnitude | 17.18 (0.005) | |||
| Pan r magnitude | 17.57 (0.006) | |||
| Pan i magnitude | 17.89 (0.005) | |||
| Pan z magnitude | 18.13 (0.006) | |||
| Pan y magnitude | 18.25 (0.02) | |||
| E(B-V) | 0.018 | |||
* 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.