All names: GALEX J011713.8+505858, KPD 0114+5402, KPD0114+5402, USNO-B1.0 1409-00034324, Gaia DR3 403769330040790528, Gaia DR2 403769325742135040
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 17 13.90 | 01 17 13.90 (0.04) | ||
| Declination | 50 58 58.45 | 50 58 58.28 (0.04) | ||
| 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] | 0.49 (0.07) | 0.45 (0.06) | |
| Distance | [pc] | 2051.28 (311) | 2226.68 (285) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.001 (0.2) | -2.312 (0.08) | |
| Proper motion (declination) | [mas/yr] | -3.268 (0.1) | -3.138 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.37 | |||
| V magnitude | 16.51 | |||
| R magnitude | 16.80 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.46 (0.001) | 16.44 (0.003) | ||
| BP magnitude | 16.30 (0.009) | |||
| RP magnitude | 16.58 (0.005) | |||
| Pan g magnitude | 16.33 (0.002) | |||
| Pan r magnitude | 16.62 (0.004) | |||
| Pan i magnitude | 16.90 (0.003) | |||
| Pan z magnitude | 17.14 (0.004) | |||
| Pan y magnitude | 17.29 (0.01) | |||
| E(B-V) | 0.170 | |||
* 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.