All names: Gaia DR2 2129130844728397568, 2MASS J19260584+4716311, UCAC4 687-068720, Gaia DR3 2129130844728397568, LAMOST J192605.94+471631.2, EQ J1926.0+4716, 2MASS J19260594+4716312, KIC 10207025, KIC10207025
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 26 05.95 | 19 26 05.98 (0.03) | ||
| Declination | 47 16 31.26 | 47 16 31.18 (0.03) | ||
| Spectral type | He-sdO | sdOHe | ||
| Effective temperature | [K] | 64980.0 (355) | ||
| log(g) | [cgs] | 5.79 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.47 (0.04) | 0.43 (0.03) | |
| Distance | [pc] | 2140.41 (166) | 2340.28 (173) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.188 (0.07) | -1.201 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.89 (0.07) | -3.947 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.51 (0.2) | |||
| V magnitude | 14.89 (0.09) | |||
| R magnitude | 15.12 (0.01) | |||
| I magnitude | ||||
| J magnitude | 15.32 (0.05) | 15.32 (0.05) | ||
| H magnitude | 14.96 | 15.11 (0.09) | ||
| K magnitude | 14.86 | 15.00 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.57 (0.1) | |||
| r magnitude | 15.06 (0.09) | |||
| i magnitude | 15.40 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.86 (0.0007) | 14.84 (0.003) | ||
| BP magnitude | 14.62 (0.007) | |||
| RP magnitude | 15.11 (0.002) | |||
| Pan g magnitude | 14.70 (0.004) | |||
| Pan r magnitude | 15.11 (0.008) | |||
| Pan i magnitude | 15.46 (0.002) | |||
| Pan z magnitude | 15.71 (0.01) | |||
| Pan y magnitude | 15.90 (0.006) | |||
| E(B-V) | 0.049 | |||
* 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.