HD 2638 [SEP] constellation
HD 2638
HD 2638 is a dim 10th magnitude star in the constellation of Cetus. It is a yellow dwarf and similar to our Sun. A small telescope is required to view the star. HD 2638 is in a system with multiple stars, including at least HD 2567 and HD 2638 C. HD 2638 is 180 light-years (55 parsecs) from the Sun.
Planetary system.
In 2005 the discovery of an extrasolar planet HD 2638 b orbiting the star was announced by the Geneva Extrasolar Planet Search Team
HD 2638 b
HD 2638 b is a planet of the star HD 2638. It is a typical "hot Jupiter", a planet that orbits its parent star in a very tight "torch orbit". Distance to the star is less than 1/20th Earth's distance from the Sun. One orbital revolution lasts only about three and half days.
External links.
- SIMBAD entry
- The Extrasolar Planets Encyclopaedia entry