All names: Gaia DR2 5000693958184790528, Gaia DR3 5000693958184790528, MCT0043-3840, TIC 183563651, 2MASS J00460122-3824094, EC 00436-3840, MCT 0043-3840, HBQS 0043-3840
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 46 01.18 | 00 46 01.22 (0.03) | ||
| Declination | -38 24 09.24 | -38 24 09.35 (0.03) | ||
| Spectral type | sdO | sdO6He4 | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.38 (0.06) | 0.37 (0.04) | |
| Distance | [pc] | 2651.82 (441) | 2687.45 (322) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 15.85 (0.09) | 15.725 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.052 (0.08) | -5.16 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.56 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.29 (0.09) | 16.29 (0.09) | ||
| H magnitude | 16.86 | |||
| K magnitude | 15.75 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.63 (0.0008) | 15.61 (0.003) | ||
| BP magnitude | 15.37 (0.008) | |||
| RP magnitude | 15.92 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.006 | |||
* 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.