HD 109749 [SEP] constellation
HD 109749
HD 109749 is a binary star about 206 light years away in the constellation of Centaurus.
Stellar system.
The primary star, HD 109749 A, is a G-type subgiant with a spectral type of G3IV, indicating it is an evolved star with a luminosity higher than that of a main sequence star. It has a mass of and a radius of . The star is shining with a luminosity of and has an effective temperature of 5,860 K. Evolutionary models estimate an age of 4.1 billion years
HD 109749 b
HD 109749 b is an extrasolar planet that orbits extremely close to the star HD 109749, taking only 5.24 days to orbit at the distance of 0.063 AU. This planet was discovered on August 22, 2005 - the same day as the discovery of Gliese 581 b.
See also.
- HD 149143 b