All names: Gaia DR2 3398928751737464192, Gaia EDR3 3398928751737464192, Gaia DR3 3398928751737464192, UCAC2 38756635, UCAC4 550-020289, KPD0549+1948, WISE J055240.14+194913.4, 2MASS J05524012+1949135, KPD 0549+1948, LAMOST J055240.13+194913.3, TIC 114423510, WISEA J055240.14+194913.3
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 52 40.13 (0.04) | 05 52 40.12 | 05 52 40.13 (0.04) | ||
| Declination | 19 49 13.36 (0.03) | 19 49 14.04 | 19 49 13.47 (0.03) | ||
| Spectral type | sdO | sdO | |||
| Effective temperature | [K] | 80890.0 (14680) | |||
| log(g) | [cgs] | 5.58 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.27 (0.04) | 1.23 (0.06) | 1.27 (0.04) | |
| Distance | [pc] | 788.15 (24) | 813.21 (37) | 788.15 (24) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.945 (0.04) | 0.832 (0.1) | 0.945 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.74 (0.03) | -6.648 (0.08) | -6.74 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.83 (0.02) | ||||
| V magnitude | 14.92 (0.01) | ||||
| R magnitude | 15.08 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.26 (0.04) | 15.26 (0.04) | |||
| H magnitude | 15.48 (0.09) | 15.48 (0.09) | |||
| K magnitude | 15.40 (0.1) | 15.40 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.76 (0.01) | ||||
| r magnitude | 15.10 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.84 (0.003) | 14.86 (0.001) | 14.84 (0.003) | ||
| BP magnitude | 14.73 (0.003) | 14.67 (0.01) | |||
| RP magnitude | 15.02 (0.004) | 15.02 (0.003) | |||
| Pan g magnitude | 14.74 (0.003) | ||||
| Pan r magnitude | 15.08 (0.002) | ||||
| Pan i magnitude | 15.37 (0.003) | ||||
| Pan z magnitude | 15.60 (0.006) | ||||
| Pan y magnitude | 15.77 (0.003) | ||||
| E(B-V) | 0.153 | ||||
* 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.