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is a Japanese amateur astronomer. He co-discovered several comets, including C/1968 H1 (Tago-Honda-Yamamoto), C/1969 T1 (Tago-Sato-Kosaka), C/1987 B1 (Nishikawa-Takamizawa-Tago). He also discovered several novas, including (V1493 Aql ) (Nova Aquilae 1999), (V2275 Cyg ) (Nova Cygni 2001 no. 2), (V574 Pup ) (Nova Puppis 2004), (V2467 Cyg ) (Nova Cygni 2007) and (V459 Vul ) (Nova Vulpeculae 2007 no.2). In 2006 he was the first astronomer to discover a micro-lensing system outside the Magellanic Clouds and the bulge of our Milky Way. The star GSC 3656-1328 suddenly brightened by four magnitudes in two weeks time and returned to its normal brightness two weeks later. A red or a brown dwarf star passed exactly in front of GSC 3656-1328 and the gravity of the dwarf star directed more light to the observers on Earth. He lives in Tsuyama, Okayama. == 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「Akihiko Tago」の詳細全文を読む スポンサード リンク
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