HD 109749
Double star HD 109749 |
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AladinLite | |||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | centaur | ||||||||
Right ascension | 12 h 37 m 16.38 s | ||||||||
declination | -40 ° 48 ′ 43.6 ″ | ||||||||
Apparent brightness | 8.08 likes | ||||||||
Typing | |||||||||
Known exoplanets | 1 | ||||||||
Spectral class | G3 V | ||||||||
Astrometry | |||||||||
Radial velocity | (−13.4 ± 0.3) km / s | ||||||||
parallax | (17.77 ± 1.26) mas | ||||||||
distance | (184 ± 13) ly (56.3 ± 4.0) pc |
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Visual absolute brightness M vis | +4.33 mag | ||||||||
Proper movement | |||||||||
Rec. Share: | (−157.85 ± 0.96) mas / a | ||||||||
Dec. portion: | (−5.43 ± 0.72) mas / a | ||||||||
Physical Properties | |||||||||
Dimensions | 1.2 M ☉ | ||||||||
Effective temperature | 5610 K | ||||||||
Metallicity [Fe / H] | 0.25 | ||||||||
Age | 10.3 · 10 9 a | ||||||||
Other names and catalog entries |
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HD 109749 is a sub-giant about 184 light-years from Earth with a right ascension of 12h 37m 16s and a declination of −40 ° 48 '43 ". It has an apparent magnitude of 8.1 mag. In 2005 Debra Fischer discovered one extrasolar planet orbiting this star, named HD 109749 b .