All names: LAMOSTJ055733.97+141217.2, Gaia DR2 3346893264443563776, 2MASS J05573396+1412172, Gaia DR3 3346893264443563776, LAMOST J055733.97+141217.2, TIC 88921040, UCAC4 522-018461
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 57 33.98 | 05 57 33.97 (0.03) | ||
| Declination | 14 12 17.29 | 14 12 17.30 (0.03) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 38690.0 (154) | ||
| log(g) | [cgs] | 5.78 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.08 (0.05) | 1.15 (0.04) | |
| Distance | [pc] | 924.90 (47) | 871.76 (27) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 14.485 (0.09) | 14.332 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.26 (0.08) | 0.534 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.56 (0.05) | |||
| V magnitude | 14.66 (0.03) | |||
| R magnitude | 14.79 (0.07) | |||
| I magnitude | ||||
| J magnitude | 14.40 (0.03) | 14.40 (0.03) | ||
| H magnitude | 14.15 (0.03) | 14.15 (0.03) | ||
| K magnitude | 13.97 (0.04) | 13.97 (0.04) | ||
| u magnitude | ||||
| g magnitude | 14.48 (0.01) | |||
| r magnitude | 14.77 (0.02) | |||
| i magnitude | 14.97 (0.1) | |||
| z magnitude | ||||
| G magnitude | 14.55 (0.0007) | 14.53 (0.003) | ||
| BP magnitude | 14.42 (0.01) | |||
| RP magnitude | 14.56 (0.003) | |||
| Pan g magnitude | 14.50 (0.006) | |||
| Pan r magnitude | 14.75 (0.001) | |||
| Pan i magnitude | 14.92 (0.006) | |||
| Pan z magnitude | 15.05 (0.0009) | |||
| Pan y magnitude | 15.10 (0.006) | |||
| E(B-V) | 0.123 | |||
* 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.