All names: TIC 426264139, Gaia DR2 190164354254168192, 2MASS J05425776+3911513, LAMOSTJ054257.76+391151.2, LAMOST J054257.76+391151.2, UCAC4 646-032019, Gaia DR3 190164354254168192
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 42 57.77 | 05 42 57.77 (0.03) | ||
| Declination | 39 11 51.23 | 39 11 51.30 (0.02) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 36580.0 (400) | ||
| log(g) | [cgs] | 5.68 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.20 (0.05) | 1.17 (0.03) | |
| Distance | [pc] | 835.21 (38) | 856.31 (23) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.347 (0.09) | 7.135 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.765 (0.07) | -7.852 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.07 (0.07) | |||
| V magnitude | 14.95 (0.06) | |||
| R magnitude | 15.23 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.02 (0.04) | 15.02 (0.04) | ||
| H magnitude | 15.04 (0.09) | 15.04 (0.09) | ||
| K magnitude | 15.09 (0.1) | 15.09 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.97 (0.08) | |||
| r magnitude | 15.09 (0.1) | |||
| i magnitude | 15.36 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.94 (0.0006) | 14.92 (0.003) | ||
| BP magnitude | 14.88 (0.008) | |||
| RP magnitude | 14.92 (0.003) | |||
| Pan g magnitude | 14.92 (0.004) | |||
| Pan r magnitude | 15.06 (0.003) | |||
| Pan i magnitude | 15.24 (0.004) | |||
| Pan z magnitude | 15.42 (0.003) | |||
| Pan y magnitude | 15.52 (0.003) | |||
| E(B-V) | 0.233 | |||
* 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.