All names: UCAC2 28368201, Gaia DR3 5742580804732616576, TIC 60682688, UCAC4 401-046726, 2MASS J09124226-0958393, EC09102-0946, Gaia DR2 5742580804732616576, EC 09102-0946, GALEX J091242.2-095839
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 12 42.14 | 09 12 42.26 (0.03) | ||
| Declination | -09 58 39.23 | -09 58 39.37 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.47 (0.06) | 0.54 (0.04) | |
| Distance | [pc] | 2124.50 (269) | 1844.68 (131) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.07 (0.08) | -6.921 (0.04) | |
| Proper motion (declination) | [mas/yr] | 3.925 (0.08) | 3.891 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.15 (0.08) | |||
| V magnitude | 15.32 (0.05) | |||
| R magnitude | 15.54 (0.07) | |||
| I magnitude | ||||
| J magnitude | 15.67 (0.06) | 15.67 (0.06) | ||
| H magnitude | 15.83 (0.1) | 15.83 (0.1) | ||
| K magnitude | 15.53 (0.2) | 15.53 (0.2) | ||
| u magnitude | ||||
| g magnitude | 15.10 (0.04) | |||
| r magnitude | 15.52 (0.1) | |||
| i magnitude | 15.74 (0.2) | |||
| z magnitude | ||||
| G magnitude | 15.29 (0.0009) | 15.27 (0.003) | ||
| BP magnitude | 15.12 (0.005) | |||
| RP magnitude | 15.49 (0.005) | |||
| Pan g magnitude | 15.13 (0.004) | |||
| Pan r magnitude | 15.50 (0.003) | |||
| Pan i magnitude | 15.82 (0.002) | |||
| Pan z magnitude | 16.06 (0.003) | |||
| Pan y magnitude | 16.20 (0.007) | |||
| E(B-V) | 0.038 | |||
* 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.