All names: TYC 8452-1321-1, TIC 161153327, Gaia DR3 6516769619278068864, Gaia DR2 6516769619278068864, GALEXJ223521.97-502119.64, GALEX J223521.9-502119, 2MASS J22352210-5021172
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 35 21.97 | 22 35 22.12 (0.02) | ||
| Declination | -50 21 19.64 | -50 21 17.24 (0.03) | ||
| Spectral type | He-sdO | sdOHe | ||
| Effective temperature | [K] | 52460.0 (2730) | ||
| log(g) | [cgs] | 6.18 (0.4) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.89 (0.05) | 0.97 (0.04) | |
| Distance | [pc] | 1125.87 (69) | 1035.20 (46) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.63 (0.07) | 7.59 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.606 (0.09) | -2.663 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.56 (0.2) | |||
| V magnitude | 12.62 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.60 (0.02) | 13.60 (0.02) | ||
| H magnitude | 13.69 (0.03) | 13.69 (0.03) | ||
| K magnitude | 13.85 (0.06) | 13.85 (0.06) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.90 (0.0006) | 12.87 (0.003) | ||
| BP magnitude | 12.63 (0.007) | |||
| RP magnitude | 13.21 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.011 | |||
* 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.