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Gliese 504 b
Gliese 504 b (often shortened to GJ 504 b) is a Jovian planet in the system of the young solar analog 59 Virginis (GJ 504),〔In spite of names of some exoplanets, derived from theirs host stars Flamsteed designations (for example, 51 Pegasi b, 61 Virginis b, 70 Virginis b etc.), the discoverers of this exoplanet did not use a similar name (i.e. "59 Virginis b") to refer to it, but used the designation "GJ 504 b" instead, derived from the Gliese–Jahreiß identifier of its parent star "GJ 504".〕 discovered by direct imaging using HiCiao instrument and AO188 adaptive optics system on the 8.2-meter Subaru Telescope of Mauna Kea Observatory, Hawaii by Kuzuhara et al. Visually, GJ 504 b would have a magenta color.
==History of observation==
The discovery images were taken in 2011 and common proper motion was confirmed in 2012 as part of the Strategic Exploration of Exoplanets and Disks with Subaru (SEEDS) survey. The SEEDS survey aims to detect and characterize giant planets and circumstellar disks using the 8.2-meter Subaru Telescope. In February 2013 Kuzuhara et al. submitted the discovery paper to ''The Astrophysical Journal'', and in August it was published.〔 A follow-up study published in the October 2013 edition of the Astrophysical Journal confirmed methane absorption in the infrared H band, the first time this has been done for a directly imaged planet that formed within a disk.〔http://iopscience.iop.org/2041-8205/778/1/L4/article〕
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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