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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Bibliographic Details
Main Authors: Kiminki, Megan M., Reiter, Megan, Smith, Nathan
Other Authors: Univ Arizona, Steward Observ
Language:en
Published: OXFORD UNIV PRESS 2016
Subjects:
Online Access:http://hdl.handle.net/10150/622109
http://arizona.openrepository.com/arizona/handle/10150/622109