All names: LAMOST J080628.65+242057.4, TIC 95621250, Gaia DR2 680914734899282560, SDSSJ080628.65+242057.5, SDSS J080628.65+242057.5, Gaia DR3 680914734899282560, GALEX J080628.6+242058, 2MASS J08062865+2420574
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 06 28.65 | 08 06 28.65 (0.04) | ||
| Declination | 24 20 57.51 | 24 20 57.51 (0.03) | ||
| Spectral type | sdB | sdBHe4 | ||
| Effective temperature | [K] | 28391.0 (262) | ||
| log(g) | [cgs] | 5.51 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.57 (0.09) | 0.70 (0.05) | |
| Distance | [pc] | 1746.42 (274) | 1422.48 (102) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.202 (0.1) | -4.081 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.635 (0.08) | -4.738 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.57 (0.04) | 15.57 (0.004) | ||
| H magnitude | 15.76 (0.09) | 15.68 (0.01) | ||
| K magnitude | 15.54 (0.2) | 15.75 (0.02) | ||
| u magnitude | 14.62 (0.003) | 14.62 (0.003) | ||
| g magnitude | 14.73 (0.003) | 14.73 (0.003) | ||
| r magnitude | 15.19 (0.003) | 15.19 (0.003) | ||
| i magnitude | 15.52 (0.004) | 15.52 (0.004) | ||
| z magnitude | 15.77 (0.006) | 15.77 (0.006) | ||
| G magnitude | 15.00 (0.0009) | 14.98 (0.003) | ||
| BP magnitude | 14.80 (0.007) | |||
| RP magnitude | 15.21 (0.005) | |||
| Pan g magnitude | 14.81 (0.002) | |||
| Pan r magnitude | 15.21 (0.002) | |||
| Pan i magnitude | 15.55 (0.003) | |||
| Pan z magnitude | 15.82 (0.004) | |||
| Pan y magnitude | 15.96 (0.005) | |||
| E(B-V) | 0.037 | |||
* 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.