All names: Gaia DR2 3839919084402034688, LAMOST J094105.30-004755.7, UCAC4 447-049338, TYC 4895-599-1, 2MASS J09410530-0047557, TIC 62735058, TYC4895-599-1, Gaia DR3 3839919084402034688, WISE J094105.29-004755.6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 41 05.31 | 09 41 05.31 (0.05) | ||
| Declination | -00 47 55.77 | -00 47 55.78 (0.04) | ||
| Spectral type | He-sdO | sdB/sdO | ||
| Effective temperature | [K] | 53463.0 (299) | ||
| log(g) | [cgs] | 5.17 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.55 (0.09) | 0.74 (0.06) | |
| Distance | [pc] | 1817.52 (303) | 1354.65 (113) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -19.603 (0.1) | -19.539 (0.06) | |
| Proper motion (declination) | [mas/yr] | 3.124 (0.1) | 3.07 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.19 (0.02) | |||
| V magnitude | 12.48 (0.02) | |||
| R magnitude | 12.76 (0.06) | |||
| I magnitude | ||||
| J magnitude | 13.17 (0.03) | 13.17 (0.03) | ||
| H magnitude | 13.34 (0.03) | 13.34 (0.03) | ||
| K magnitude | 13.44 (0.04) | 13.44 (0.04) | ||
| u magnitude | 12.11 (0.004) | |||
| g magnitude | 13.04 (0.005) | 12.22 (0.02) | ||
| r magnitude | 13.02 (0.005) | 12.71 (0.03) | ||
| i magnitude | 13.43 (0.003) | 13.07 (0.04) | ||
| z magnitude | 13.54 (0.003) | |||
| G magnitude | 12.42 (0.0008) | 12.39 (0.003) | ||
| BP magnitude | 12.19 (0.007) | |||
| RP magnitude | 12.72 (0.002) | |||
| Pan g magnitude | 12.21 | |||
| Pan r magnitude | 12.73 | |||
| Pan i magnitude | 13.10 | |||
| Pan z magnitude | 13.37 (0.003) | |||
| Pan y magnitude | 13.55 (0.003) | |||
| 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.