HD 166066
| Observation data Epoch J2000 Equinox | |
|---|---|
| Constellation | Telescopium |
| Right ascension | 18h 38m 51.07129s[1] |
| Declination | –85° 42′ 32.2200″[1] |
| Apparent magnitude (V) | 8.11[2] |
| Characteristics | |
| Evolutionary stage | Giant |
| Spectral type | G0V[1][2] |
| Astrometry | |
| Radial velocity (Rv) | 2.9[1] km/s |
| Proper motion (μ) | RA: 147.71[1] mas/yr Dec.: -42.03[1] mas/yr |
| Parallax (π) | 15.67 ± 0.55 mas[1] |
| Distance | 208 ± 7 ly (64 ± 2 pc) |
| Absolute magnitude (MV) | 4.12 [2] |
| Details | |
| Mass | 1.1[2] M☉ |
| Radius | 1.1[2] R☉ |
| Temperature | 5,900[2] K |
| Other designations | |
HD 166066 is a star in the constellation Telescopium, located about 205 light-years (63 parsecs) from Earth. It has an apparent magnitude of +8.11, allowing it to be viewed with binoculars under suitable viewing conditions. The stellar classification is G0V, which indicates that it is a main sequence star. The effective temperature of its chromosphere is 5,900 K,.[2]
It has an estimated lifespan of 8.9 billion years and has about the same mass as the Sun. Its end state will probably be a carbon-oxygen white dwarf.[2]
References
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