All names: LAMOSTJ221607.18+150338.5, Gaia DR3 2735467282163538944, Gaia EDR3 2735467282163538944, Gaia DR2 2735467282163538944, LAMOST J221607.18+150338.5, GALEX J221607.1+150338
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 16 07.19 (0.08) | 22 16 07.19 | 22 16 07.19 (0.08) | ||
| Declination | 15 03 38.46 (0.08) | 15 03 38.57 | 15 03 38.50 (0.08) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 35742.0 (146) | |||
| log(g) | [cgs] | 5.94 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.49 (0.09) | 0.54 (0.1) | 0.49 (0.09) | |
| Distance | [pc] | 2030.87 (375) | 1861.16 (476) | 2030.87 (375) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.782 (0.1) | -1.957 (0.2) | -1.782 (0.1) | |
| Proper motion (declination) | [mas/yr] | -2.622 (0.1) | -2.655 (0.2) | -2.622 (0.1) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.48 (0.007) | ||||
| g magnitude | 16.72 (0.004) | ||||
| r magnitude | 17.17 (0.005) | ||||
| i magnitude | 17.51 (0.007) | ||||
| z magnitude | 17.83 (0.02) | ||||
| G magnitude | 16.95 (0.003) | 16.98 (0.002) | 16.95 (0.003) | ||
| BP magnitude | 16.81 (0.007) | 16.78 (0.01) | |||
| RP magnitude | 17.20 (0.01) | 17.25 (0.009) | |||
| Pan g magnitude | 16.79 (0.003) | ||||
| Pan r magnitude | 17.18 (0.004) | ||||
| Pan i magnitude | 17.54 (0.002) | ||||
| Pan z magnitude | 17.80 (0.005) | ||||
| Pan y magnitude | 18.00 (0.02) | ||||
| E(B-V) | 0.044 | ||||
* 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.