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HD 183263
HD 183263 is an 8th magnitude subgiant star located approximately 172 light-years away in the constellation Aquila. This star is about to or already ran out of hydrogen fuel and eventually becomes a red giant and then dies as a white dwarf. It has absolute magnitude (apparent magnitude at 10 pc) of 4.25 compared to the Sun’s 4.83, which indicates the star is more luminous than our Sun, and therefore hotter by 103 K.
The star has two planets. Planet b was discovered in 2005〔 while planet c was discovered in 2008.〔
== See also ==
* List of multiplanetary systems
* List of exoplanetary host stars
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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