All names: LAMOSTJ015835.30+550504.8, LAMOST J015835.30+550504.8, Gaia DR2 504485110543295616, 2MASS J01583530+5505048, Gaia DR3 504485110543295616, TIC 445487095, UCAC4 726-017075
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 58 35.30 | 01 58 35.31 (0.03) | ||
| Declination | 55 05 04.87 | 55 05 04.87 (0.03) | ||
| Spectral type | sdO | sdO | ||
| Effective temperature | [K] | 51300.0 (3500) | ||
| log(g) | [cgs] | 5.24 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.78 (0.05) | 0.71 (0.03) | |
| Distance | [pc] | 1284.52 (79) | 1399.19 (65) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.938 (0.1) | -1.855 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.171 (0.09) | -0.287 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.58 (0.04) | 15.58 (0.04) | ||
| H magnitude | 15.48 (0.1) | 15.48 (0.1) | ||
| K magnitude | 15.61 (0.2) | 15.61 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.52 (0.001) | 15.50 (0.003) | ||
| BP magnitude | 15.48 (0.01) | |||
| RP magnitude | 15.44 (0.003) | |||
| Pan g magnitude | 15.52 (0.003) | |||
| Pan r magnitude | 15.61 (0.002) | |||
| Pan i magnitude | 15.76 (0.003) | |||
| Pan z magnitude | 15.92 (0.003) | |||
| Pan y magnitude | 16.01 (0.006) | |||
| E(B-V) | 0.267 | |||
* 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.