Ancient eruptions of η Carinae: a tale written in proper motions
We analyse eight epochs of Hubble Space Telescope H alpha+[N ii] imaging of eta Carinae's outer ejecta. Proper motions of nearly 800 knots reveal that the detected ejecta are divided into three apparent age groups, dating to around 1250 A.D., to around 1550 A.D., and to during or shortly before...
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Language: | en |
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OXFORD UNIV PRESS
2016
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Online Access: | http://hdl.handle.net/10150/622109 http://arizona.openrepository.com/arizona/handle/10150/622109 |