HD 190647

HD 190647 is a yellow subgiant star located approximately 178 light years away in the constellation of Sagittarius. The apparent magnitude is 8 and absolute magnitude is 4. It is also called HIP 99115. In 2007, a planet was found to be orbiting the star.

The HD 190647 planetary system[3]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b >1.9 ± 0.06 MJ 2.07 ± 0.06 1038.1 ± 4.9 0.18 ± 0.02
HD 190647
Observation data
Epoch J2000      Equinox J2000
Constellation Sagittarius
Right ascension 20h 07m 19.6698s[1]
Declination −35° 32 19.0786[1]
Apparent magnitude (V) 7.78
Characteristics
Spectral type G5IV
Astrometry
Proper motion (μ) RA: −26.622±0.079[1] mas/yr
Dec.: −206.859±0.053[1] mas/yr
Parallax (π)18.3287 ± 0.0495[1] mas
Distance177.9 ± 0.5 ly
(54.6 ± 0.1 pc)
Absolute magnitude (MV)4.20
Other designations
CD–35°13924, HIP 99115, SAO 211821, LTT 7948, NLTT 48727, TYC 7449-1245-1, 2MASS J20071966-3532189[2]
Database references
SIMBADdata

See also

References

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