All names: TYC 7180-740-1, GALEXJ09529-3719, TIC 45362220, Gaia DR2 5433906762213163392, 2MASS J09525680-3719413, GALEX J095256.7-371940, Gaia DR3 5433906762213163392, GALEX J095256.6-371940
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 52 56.72 | 09 52 56.81 (0.02) | ||
| Declination | -37 19 40.13 | -37 19 41.42 (0.02) | ||
| Spectral type | He-sdO | sdOHe | ||
| Effective temperature | [K] | 44230.0 (1140) | ||
| log(g) | [cgs] | 5.68 (0.4) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.12 (0.05) | 1.13 (0.03) | |
| Distance | [pc] | 892.86 (38) | 887.78 (22) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -16.628 (0.06) | -16.629 (0.02) | |
| Proper motion (declination) | [mas/yr] | 8.509 (0.08) | 8.716 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.85 (0.2) | |||
| V magnitude | 12.67 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.86 (0.03) | 13.86 (0.03) | ||
| H magnitude | 14.01 (0.05) | 14.01 (0.05) | ||
| K magnitude | 14.03 (0.07) | 14.03 (0.07) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.26 (0.0004) | 13.25 (0.003) | ||
| BP magnitude | 13.04 (0.005) | |||
| RP magnitude | 13.51 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.063 | |||
* 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.