All names: Gaia DR3 3350420665245789568, UCAC4 540-021774, 2MASS J05560230+1756134, TIC 119121805, UCAC2 38035788, WISE J055602.25+175612.8, KPD 0553+1755, WISEA J055602.24+175612.5, KPD0553+1755, Gaia DR2 3350420665245789568
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 05 56 02.29 | 05 56 02.31 (0.04) | |
| Declination | 17 56 13.57 | 17 56 13.35 (0.04) | |
| Spectral type | 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] | 0.53 (0.04) | |
| Distance | [pc] | 1899.70 (144) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 7.467 (0.06) | |
| Proper motion (declination) | [mas/yr] | -8.924 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.24 (0.01) | ||
| V magnitude | 15.14 (0.02) | ||
| R magnitude | 15.00 (0.02) | ||
| I magnitude | |||
| J magnitude | 15.08 (0.04) | 15.08 (0.04) | |
| H magnitude | 15.07 (0.09) | 15.07 (0.09) | |
| K magnitude | 14.94 | ||
| u magnitude | |||
| g magnitude | 15.11 (0.01) | ||
| r magnitude | 15.21 (0.03) | ||
| i magnitude | 15.45 (0.02) | ||
| z magnitude | |||
| G magnitude | 15.09 (0.001) | 15.07 (0.003) | |
| BP magnitude | 15.04 (0.01) | ||
| RP magnitude | 14.99 (0.003) | ||
| Pan g magnitude | 15.10 (0.004) | ||
| Pan r magnitude | 15.19 (0.002) | ||
| Pan i magnitude | 15.34 (0.002) | ||
| Pan z magnitude | 15.47 (0.007) | ||
| Pan y magnitude | 15.57 (0.004) | ||
| E(B-V) | |||
* 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.