HD 147506 [SEP] constellation
HD 147506
HD 147506 is a magnitude 8.7 F8 dwarf star that is somewhat larger and hotter than our sun. The star is approximately 418 light years from Earth and is positioned near the keystone of Hercules. It is estimated to be 2 to 3 billion years old. There is one known transiting extrasolar planet.
Variability.
In addition to being a planetary transit variable there is also stellar pulsations induced by the planet. This is the first known instance of a planet inducing pulsations in its host star. The amplitude
much further out with very low eccentricity.
- HD 149026 has a transiting hot Jupiter planet and is one of the most prominent and studied.
- HD 154345 has the planet HD 154345 b, a long period (9.095 years) and wide orbit (4.18 AU).
- HD 164922 has the first long period Saturn-like planet discovered. The mass is 0.36 M and semimajor axis of 2.11 AU.
- HD 147506 has the most massive transiting planet HAT-P-2b at the time of discovery.