All names: Gaia DR3 3785540507762764416, Gaia EDR3 3785540507762764416, GALEX J112812.3-054615, Gaia DR2 3785540507762764416, WISE J112812.17-054616.0, SDSS J112812.23-054615.3, USNO-B1.0 0842-00223046, LAMOST J112812.24-054615.2, PG 1125-055, PG1125-055
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 28 12.23 (0.09) | 11 28 12.28 | 11 28 12.25 (0.09) | ||
| Declination | -05 46 15.40 (0.06) | -05 46 14.49 | -05 46 15.19 (0.06) | ||
| Spectral type | He-sdO | sdOC | |||
| Effective temperature | [K] | 56207.0 (1302) | |||
| log(g) | [cgs] | 6.18 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.41 (0.1) | 0.38 (0.1) | 0.41 (0.1) | |
| Distance | [pc] | 2460.02 (626) | 2608.92 (826) | 2460.02 (626) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -14.25 (0.1) | -14.317 (0.2) | -14.25 (0.1) | |
| Proper motion (declination) | [mas/yr] | -13.023 (0.07) | -12.991 (0.1) | -13.023 (0.07) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.80 | ||||
| V magnitude | |||||
| R magnitude | 16.60 | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.15 (0.006) | 16.14 (0.04) | |||
| g magnitude | 16.56 (0.004) | 16.57 (0.03) | |||
| r magnitude | 17.03 (0.004) | 17.05 (0.02) | |||
| i magnitude | 17.39 (0.006) | 17.39 (0.01) | |||
| z magnitude | 17.62 (0.01) | 17.70 (0.03) | |||
| G magnitude | 16.79 (0.003) | 16.82 (0.003) | 16.79 (0.003) | ||
| BP magnitude | 16.63 (0.007) | 16.58 (0.01) | |||
| RP magnitude | 17.09 (0.01) | 17.11 (0.006) | |||
| Pan g magnitude | 16.62 (0.004) | ||||
| Pan r magnitude | 17.06 (0.003) | ||||
| Pan i magnitude | 17.42 (0.005) | ||||
| Pan z magnitude | 17.69 (0.004) | ||||
| Pan y magnitude | 17.92 (0.02) | ||||
| 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.