All names: 2MASS J08332033+2024247, LAMOSTJ083320.35+202424.7, HIP 41979, TIC 178277341, HIC 41979, UCAC4 553-044212, Ton 927, uvby98 610070927, LAMOST J083320.35+202424.7, Renson 20050, UBV M 43178, GEN# +6.10070927, GSC 01398-00532, FB 50, Gaia DR2 663084577604389760, Gaia DR3 663084577604389760, TYC 1398-532-1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 33 20.35 | 08 33 20.34 (0.05) | ||
| Declination | 20 24 24.72 | 20 24 24.73 (0.03) | ||
| Spectral type | He-sdOB | sdB/sdO | ||
| Effective temperature | [K] | 34691.0 (215) | ||
| log(g) | [cgs] | 5.37 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.61 (0.08) | 1.44 (0.06) | |
| Distance | [pc] | 619.27 (31) | 695.36 (27) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.527 (0.1) | 11.526 (0.06) | |
| Proper motion (declination) | [mas/yr] | -20.152 (0.08) | -19.856 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.24 (0.01) | |||
| V magnitude | 11.35 (0.01) | |||
| R magnitude | 11.64 (0.05) | |||
| I magnitude | ||||
| J magnitude | 11.80 (0.02) | 11.80 (0.02) | ||
| H magnitude | 11.94 (0.02) | 11.94 (0.02) | ||
| K magnitude | 11.94 (0.02) | 11.94 (0.02) | ||
| u magnitude | 14.04 (0.01) | |||
| g magnitude | 15.06 (0.01) | 11.32 (0.01) | ||
| r magnitude | 14.57 (0.01) | 11.58 (0.01) | ||
| i magnitude | 15.35 (0.02) | |||
| z magnitude | 13.39 (0.008) | |||
| G magnitude | 11.38 (0.001) | 11.38 (0.003) | ||
| BP magnitude | 11.24 (0.004) | |||
| RP magnitude | 11.56 (0.0007) | |||
| Pan g magnitude | 11.21 | |||
| Pan r magnitude | 11.61 | |||
| Pan i magnitude | 11.93 | |||
| Pan z magnitude | 12.17 | |||
| Pan y magnitude | 12.30 (0.004) | |||
| E(B-V) | 0.031 | |||
* 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.