HAT-P-8 [SEP] constellation
HAT-P-8
HAT-P-8 is a magnitude 10 star located 750 light-years away in Pegasus. It is a F-type star about 28% more massive than the Sun. Two red dwarf companions have been detected around HAT-P-8. The first has a spectral type of M5V and has a mass of . The second is even less massive, at , and its spectral type is M6V.
Planetary system.
In 2008 the HATNet Project announced the discovery of extrasolar planet HAT-P-8b around this star
HAT-P-1b
HAT-P-1b is an extrasolar planet orbiting the Sun-like star HAT-P-1, also known as ADS 16402 B. HAT-P-1 is the dimmer component of the ADS 16402 binary star system. It is located roughly 521 light years away from Earth in the constellation Lacerta. HAT-P-1b is among the least dense of any of the known extrasolar planets.
Discovery.
HAT-P-1b was detected by searching for astronomical transits of the parent star by orbiting planets. As the planet passes in