All names: UCAC4 352-007257, UCAC2 24029193, WISE J051348.18-194418.3, 2MASS J05134817-1944184, WISEA J051348.17-194418.4, GALEX J051348.2-194417, Gaia DR3 2975366979747110016, TIC 398801916, Gaia DR2 2975366979747110016, GALEXJ05138-1944
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 13 48.23 | 05 13 48.18 (0.02) | ||
| Declination | -19 44 17.93 | -19 44 18.45 (0.03) | ||
| Spectral type | He-sdOB | sdO7.5VIIHe39 | ||
| 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] | 0.34 (0.05) | 0.42 (0.04) | |
| Distance | [pc] | 2985.07 (402) | 2377.56 (206) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.339 (0.05) | -0.331 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.842 (0.06) | 1.739 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.97 (0.04) | |||
| V magnitude | 15.15 (0.01) | |||
| R magnitude | 15.57 (0.04) | |||
| I magnitude | ||||
| J magnitude | 15.91 (0.06) | 15.91 (0.06) | ||
| H magnitude | 15.89 (0.1) | 15.89 (0.1) | ||
| K magnitude | 15.71 | |||
| u magnitude | ||||
| g magnitude | 15.09 (0.3) | |||
| r magnitude | 15.42 (0.02) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.12 (0.0005) | 15.11 (0.003) | ||
| BP magnitude | 14.88 (0.006) | |||
| RP magnitude | 15.40 (0.002) | |||
| Pan g magnitude | 14.96 (0.002) | |||
| Pan r magnitude | 15.38 (0.002) | |||
| Pan i magnitude | 15.73 (0.001) | |||
| Pan z magnitude | 16.02 (0.002) | |||
| Pan y magnitude | 16.20 (0.005) | |||
| E(B-V) | 0.024 | |||
* 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.