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NGC 4051
NGC 4051 is a spiral galaxy. It contains a supermassive black hole inside the center. This galaxy was studied by the Multicolor Active Galactic Nuclei Monitoring 2m telescope. The galaxy is a Seyfert galaxy that emits bright X-rays. However in early 1998 the X-ray emission ceased as observed in by the Beppo-SAX satellite. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「NGC 4051」の詳細全文を読む
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