All names: LAMOST J061756.67+184948.6, Gaia DR3 3373814561832902272, LAMOSTJ061756.67+184948.6, Gaia DR2 3373814561832902272, UCAC4 545-024973, TIC 429807453, 2MASS J06175666+1849487
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 17 56.67 | 06 17 56.67 (0.03) | ||
| Declination | 18 49 48.68 | 18 49 48.68 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 26600.0 (480) | ||
| log(g) | [cgs] | 5.47 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.51 (0.05) | 1.50 (0.03) | |
| Distance | [pc] | 663.57 (20) | 668.54 (13) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.803 (0.09) | 0.942 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.741 (0.08) | -3.791 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.54 (0.02) | |||
| V magnitude | 13.60 (0.02) | |||
| R magnitude | 13.76 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.98 (0.03) | 13.98 (0.03) | ||
| H magnitude | 14.04 (0.06) | 14.04 (0.06) | ||
| K magnitude | 14.04 (0.04) | 14.04 (0.04) | ||
| u magnitude | ||||
| g magnitude | 13.46 (0.03) | |||
| r magnitude | 13.79 (0.02) | |||
| i magnitude | 14.05 (0.08) | |||
| z magnitude | ||||
| G magnitude | 13.60 (0.0006) | 13.59 (0.003) | ||
| BP magnitude | 13.45 (0.008) | |||
| RP magnitude | 13.70 (0.001) | |||
| Pan g magnitude | 13.51 (0.006) | |||
| Pan r magnitude | 13.80 (0.01) | |||
| Pan i magnitude | 14.04 (0.002) | |||
| Pan z magnitude | 14.27 (0.002) | |||
| Pan y magnitude | 14.41 (0.002) | |||
| E(B-V) | 0.144 | |||
* 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.