All names: UCAC4 535-014568, TIC 302419857, 2MASS J05275075+1654331, Gaia DR2 3397199529183763072, WISE J052750.74+165433.1, LAMOST J052750.76+165433.1, LAMOSTJ052750.76+165433.1, Gaia DR3 3397199529183763072
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 27 50.77 | 05 27 50.76 (0.04) | ||
| Declination | 16 54 33.17 | 16 54 33.13 (0.03) | ||
| Spectral type | He-sdO | sdOBHe | ||
| Effective temperature | [K] | 45490.0 (730) | ||
| log(g) | [cgs] | 5.40 (0.09) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.71 (0.07) | 0.67 (0.04) | |
| Distance | [pc] | 1416.43 (142) | 1483.68 (97) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.939 (0.1) | 4.806 (0.05) | |
| Proper motion (declination) | [mas/yr] | 0.474 (0.09) | 0.314 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.83 (0.08) | |||
| V magnitude | 15.76 (0.04) | |||
| R magnitude | 15.89 (0.3) | |||
| I magnitude | ||||
| J magnitude | 15.66 (0.05) | 15.66 (0.05) | ||
| H magnitude | 15.75 (0.1) | 15.75 (0.1) | ||
| K magnitude | 15.70 (0.3) | 15.70 (0.3) | ||
| u magnitude | 15.63 (0.005) | |||
| g magnitude | 15.63 (0.004) | 15.70 (0.08) | ||
| r magnitude | 15.73 (0.004) | 15.76 (0.02) | ||
| i magnitude | 15.87 (0.005) | |||
| z magnitude | 16.01 (0.007) | |||
| G magnitude | 15.66 (0.001) | 15.64 (0.003) | ||
| BP magnitude | 15.63 (0.005) | |||
| RP magnitude | 15.57 (0.003) | |||
| Pan g magnitude | 15.67 (0.002) | |||
| Pan r magnitude | 15.74 (0.004) | |||
| Pan i magnitude | 15.90 (0.005) | |||
| Pan z magnitude | 16.04 (0.004) | |||
| Pan y magnitude | 16.14 (0.003) | |||
| E(B-V) | 0.301 | |||
* 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.