HD 81040 [SEP] constellation
HD 81040
HD 81040 is a star in the constellation of Leo. It is G-type yellow dwarf like our Sun.
The Sun dwarfs HD 81040 in terms of physical characteristics. The age of the star is not precisely known; the ELODIE spectrograph suggested 0.8 Gyr and found it to have a young dust disk. Later measurements by modelling chromosperic activity suggested an age of 4.18 Gyr.
Planetary system.
On November 24, 2005, a superjovian planet was announced by Sozzetti.
See also.
HD 81040 b
HD 81040 b is a massive, gas giant planet that orbits the star HD 81040. The period is just over 1000 days. It has semimajor axis of 1.94 AU. However, the orbit is extremely eccentric, little over 0.5 in value.
See also.
- HD 33564 b