All names: LAMOST J054706.22+400822.5, UCAC4 651-034859, GALEX J054706.1+400822, LAMOSTJ054706.22+400822.5, 2MASS J05470621+4008225, Gaia EDR3 191727718051389312, Gaia DR3 191727718051389312, Gaia DR2 191727718051389312, TIC 265673497
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 47 06.23 (0.04) | 05 47 06.23 | 05 47 06.23 (0.04) | ||
| Declination | 40 08 22.52 (0.03) | 40 08 22.58 | 40 08 22.61 (0.03) | ||
| Spectral type | sdB | sdOB | |||
| Effective temperature | [K] | 33549.0 (113) | |||
| log(g) | [cgs] | 5.98 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.02 (0.05) | 1.18 (0.07) | 1.02 (0.05) | |
| Distance | [pc] | 977.80 (43) | 843.95 (48) | 977.80 (43) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.98 (0.05) | 0.993 (0.1) | 0.98 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.165 (0.03) | -4.995 (0.1) | -5.165 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.84 (0.01) | ||||
| V magnitude | 15.76 (0.03) | ||||
| R magnitude | 15.85 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.76 (0.07) | 15.76 (0.07) | |||
| H magnitude | 15.79 | ||||
| K magnitude | 15.81 (0.2) | 15.81 (0.2) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | 16.05 (0.06) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.75 (0.003) | 15.76 (0.001) | 15.75 (0.003) | ||
| BP magnitude | 15.72 (0.004) | 15.68 (0.01) | |||
| RP magnitude | 15.78 (0.005) | 15.77 (0.007) | |||
| Pan g magnitude | 15.69 (0.003) | ||||
| Pan r magnitude | 15.89 (0.003) | ||||
| Pan i magnitude | 16.13 (0.003) | ||||
| Pan z magnitude | 16.29 (0.004) | ||||
| Pan y magnitude | 16.42 (0.007) | ||||
| E(B-V) | 0.228 | ||||
* 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.