All names: 2MASS J05393922-2833304, TIC 32556882, UCAC4 308-007776, WISE J053939.22-283330.8, GALEX J053939.1-283329, UCAC2 19821041, Gaia DR2 2907300509837552000, WISEA J053939.23-283330.8, GALEXJ05396-2833, Gaia DR3 2907300509837552000
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 39 39.13 | 05 39 39.22 (0.03) | ||
| Declination | -28 33 29.66 | -28 33 30.59 (0.03) | ||
| Spectral type | sdO+G | sdO+G | ||
| 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] | 0.86 (0.04) | 0.92 (0.04) | |
| Distance | [pc] | 1167.27 (48) | 1083.07 (43) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 12.747 (0.05) | 13.528 (0.03) | |
| Proper motion (declination) | [mas/yr] | -27.103 (0.06) | -28.097 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.86 (0.02) | |||
| V magnitude | 13.89 (0.03) | |||
| R magnitude | 14.15 (0.09) | |||
| I magnitude | ||||
| J magnitude | 13.54 (0.02) | 13.54 (0.02) | ||
| H magnitude | 13.36 (0.03) | 13.36 (0.03) | ||
| K magnitude | 13.31 (0.04) | 13.31 (0.04) | ||
| u magnitude | ||||
| g magnitude | 13.80 (0.01) | |||
| r magnitude | 13.97 (0.03) | |||
| i magnitude | 14.10 (0.03) | |||
| z magnitude | ||||
| G magnitude | 13.82 (0.0005) | 13.80 (0.003) | ||
| BP magnitude | 13.75 (0.006) | |||
| RP magnitude | 13.77 (0.002) | |||
| Pan g magnitude | 13.80 (0.004) | |||
| Pan r magnitude | 13.99 (0.01) | |||
| Pan i magnitude | 14.11 (0.001) | |||
| Pan z magnitude | 14.21 (0.002) | |||
| Pan y magnitude | 14.25 (0.006) | |||
| E(B-V) | 0.012 | |||
* 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.