HD 142022 [SEP] constellation
HD 142022
HD 142022 is a binary star system located in the southernmost constellation of Octans located at a distance of 117 ly. The primary star (HD 142022 A) has a spectral type of G9V and has apparent magnitude of 7.69. Its mass is 1% less than the Sun but the radius is only 70.5%. The star is old, only 400 million years younger than the Universe itself. It is a Population I star with metallicity of 55% greater than solar.
The primary star has a single
HD 142415
HD 142415 is a 7th magnitude yellow main-sequence star 113 light years from Earth in the southern constellation Norma. This star dwarfs the Sun in terms of mass (1.09x), size (1.03x), luminosity (1.1x), temperature (1.01x), and metallicity (1.62x). The age of the star is as young as 1.5 billion years.
The star is currently known to have one planet.
See also.
- HD 141937
- HD 142022
- List of extrasolar