All names: GALEX J011254.1+323802, GSC2 N33012321078, HS0110+3222, Gaia DR2 313700498585403776, HS 0110+3222, GSC2.3 NBXQ001078, TIC 431362780, 2MASS J01125408+3238021, LAMOST J011254.08+323802.1, UCAC3 246-7868, USNO-A2.0 1200-00502529, UCAC4 614-003423, Gaia DR3 313700498585403776, SDSS J011254.08+323802.0
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 12 54.09 | 01 12 54.09 (0.04) | ||
| Declination | 32 38 02.17 | 32 38 02.07 (0.04) | ||
| Spectral type | He-sdO | sdO | ||
| Effective temperature | [K] | 47264.0 (264) | ||
| log(g) | [cgs] | 6.20 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.44 (0.08) | 0.25 (0.05) | |
| Distance | [pc] | 2286.24 (399) | 4048.58 (887) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.085 (0.2) | 2.963 (0.06) | |
| Proper motion (declination) | [mas/yr] | -6.514 (0.2) | -6.662 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.81 (0.08) | |||
| V magnitude | 16.06 (0.1) | |||
| R magnitude | 16.85 (0.2) | |||
| I magnitude | 16.08 (0.4) | |||
| J magnitude | 16.64 (0.1) | 16.64 (0.1) | ||
| H magnitude | 16.80 | |||
| K magnitude | 16.52 | |||
| u magnitude | 15.47 (0.005) | 15.47 (0.005) | ||
| g magnitude | 15.83 (0.003) | 15.83 (0.003) | ||
| r magnitude | 16.24 (0.004) | 16.24 (0.004) | ||
| i magnitude | 16.58 (0.005) | 16.58 (0.005) | ||
| z magnitude | 16.91 (0.01) | 16.91 (0.01) | ||
| G magnitude | 16.05 (0.003) | 16.02 (0.003) | ||
| BP magnitude | 15.85 (0.01) | |||
| RP magnitude | 16.27 (0.004) | |||
| Pan g magnitude | 15.87 (0.004) | |||
| Pan r magnitude | 16.26 (0.001) | |||
| Pan i magnitude | 16.61 (0.002) | |||
| Pan z magnitude | 16.89 (0.008) | |||
| Pan y magnitude | 17.05 (0.007) | |||
| E(B-V) | 0.044 | |||
* 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.