All names: ALS 19038, TIC 170685981, uvby98 610260259, 2MASS J16535458-5601547, LSE259, Gaia DR2 5929162911481089024, UCAC4 170-174363, Gaia DR2 5929162705322656384, LSE 259, GSC 08730-00028, Gaia DR3 5929162911481089024
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 53 55.49 | 16 53 54.58 (0.03) | ||
| Declination | -56 01 56.09 | -56 01 54.75 (0.02) | ||
| Spectral type | He-sdO | sdO | ||
| 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] | 0.17 (0.8) | 0.58 (0.04) | |
| Distance | [pc] | 5750.43 (27502) | 1725.03 (112) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.203 (1) | -4.799 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.443 (1) | -11.534 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 12.71 (0.05) | |||
| I magnitude | ||||
| J magnitude | 13.97 (0.04) | 12.80 (0.03) | ||
| H magnitude | 13.33 (0.04) | 12.82 (0.03) | ||
| K magnitude | 13.14 (0.05) | 12.92 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 19.98 (0.007) | 12.49 (0.003) | ||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.226 | |||
* 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.