All names: UCAC4 685-001272, LAMOST J001144.75+464806.6, Gaia DR2 392942881419391872, 2MASS J00114474+4648068, Gaia DR3 392942881419391872, LAMOSTJ001144.75+464806.7, WISE J001144.74+464806.6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 11 44.75 | 00 11 44.75 (0.03) | ||
| Declination | 46 48 06.62 | 46 48 06.79 (0.02) | ||
| Spectral type | He-sdOB | sdOBHe | ||
| Effective temperature | [K] | 45110.0 (420) | ||
| log(g) | [cgs] | 5.34 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.65 (0.06) | 0.70 (0.04) | |
| Distance | [pc] | 1532.10 (130) | 1438.43 (82) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.439 (0.07) | -3.458 (0.03) | |
| Proper motion (declination) | [mas/yr] | 0.924 (0.05) | 0.882 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.22 (0.04) | |||
| V magnitude | 14.45 (0.02) | |||
| R magnitude | 14.76 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.92 (0.03) | 14.92 (0.03) | ||
| H magnitude | 14.99 (0.07) | 14.99 (0.07) | ||
| K magnitude | 15.16 (0.1) | 15.16 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.18 (0.06) | |||
| r magnitude | 14.58 (0.03) | |||
| i magnitude | 14.78 (0.1) | |||
| z magnitude | ||||
| G magnitude | 14.37 (0.0005) | 14.35 (0.003) | ||
| BP magnitude | 14.19 (0.008) | |||
| RP magnitude | 14.56 (0.002) | |||
| Pan g magnitude | 14.23 (0.004) | |||
| Pan r magnitude | 14.58 (0.001) | |||
| Pan i magnitude | 14.90 (0.002) | |||
| Pan z magnitude | 15.15 (0.002) | |||
| Pan y magnitude | 15.32 (0.004) | |||
| E(B-V) | 0.098 | |||
* 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.