All names: LAMOST J020630.69+543108.5, 2MASS J02063065+5431086, Gaia DR2 456417279675979008, LAMOSTJ020630.69+543108.5, WISE J020630.66+543108.6, Gaia DR3 456417279675979008, UCAC4 723-019711
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 06 30.69 | 02 06 30.66 (0.02) | ||
| Declination | 54 31 08.51 | 54 31 08.57 (0.02) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 34344.0 (101) | ||
| log(g) | [cgs] | 5.20 (0) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.52 (0.06) | 0.62 (0.03) | |
| Distance | [pc] | 1916.81 (213) | 1611.86 (67) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.672 (0.1) | -1.717 (0.02) | |
| Proper motion (declination) | [mas/yr] | -1.572 (0.09) | -1.57 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.35 (0.03) | |||
| V magnitude | 14.34 (0.02) | |||
| R magnitude | 14.32 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.41 (0.03) | 14.41 (0.03) | ||
| H magnitude | 14.46 (0.06) | 14.46 (0.06) | ||
| K magnitude | 14.57 (0.09) | 14.57 (0.09) | ||
| u magnitude | ||||
| g magnitude | 14.27 (0.03) | |||
| r magnitude | 14.43 (0.04) | |||
| i magnitude | 14.69 (0.03) | |||
| z magnitude | ||||
| G magnitude | 14.32 (0.0005) | 14.30 (0.003) | ||
| BP magnitude | 14.26 (0.005) | |||
| RP magnitude | 14.30 (0.003) | |||
| Pan g magnitude | 14.29 (0.004) | |||
| Pan r magnitude | 14.45 (0.003) | |||
| Pan i magnitude | 14.65 (0.002) | |||
| Pan z magnitude | 14.81 (0.002) | |||
| Pan y magnitude | 14.93 (0.002) | |||
| E(B-V) | 0.271 | |||
* 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.