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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.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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