HD 9446 c [SEP] constellation
HD 9446 c
HD 9446 c is an exoplanet discovered in 2010 orbiting the star HD 9446 in the constellation Triangulum, 50 parsecs from Earth.
See also.
- HD 9446 b
period of 267 days. It is a red giant of spectral type M3.5-8e, lying around 960 light-years away. HD 12545, also known as XX Trianguli, is
an orange giant of spectral type K0III around 520 light-years distant with a visual magnitude of 8.42. A huge starspot larger than the diameter of the sun was detected on its surface in 1999 by astronomers using Doppler imaging.
Two star systems appear to have planets. HD 9446 is a sun-like star around 171 light-