HD 166066

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]

HD 166066
Observation data
Epoch J2000      Equinox J2000
Constellation Telescopium
Right ascension 18h 38m 51.07129s[1]
Declination –85° 42 32.2200[1]
Apparent magnitude (V) 8.11[2]
Characteristics
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[1] mas
Distance208 ± 7 ly
(64 ± 2 pc)
Absolute magnitude (MV)4.12 [2]
Details
Mass1.1[2] M
Radius1.1[2] R
Temperature5,900[2] K
Other designations
HD 166066, HIP 91434, CD–85 150[1]
Database references
SIMBADdata

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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