Discovery of a Little Homunculus within the Homunculus Nebula of Carinae
The Astronomical Journal2003Vol. 125(6), pp. 3222–3236
Citations Over TimeTop 10% of 2003 papers
Kazunori Ishibashi, T. R. Gull, Kris Davidson, Nathan Smith, T. Lanz, Don J. Lindler, Keith Feggans, E. M. Verner, B. E. Woodgate, Randy A. Kimble, Charles W. Bowers, Steven B. Kraemer, S. R. Heap, A. C. Danks, S. P. Maran, Charles L. Joseph, M. E. Kaiser, Jeffrey L. Linsky, F. L. Roesler, D. Weistrop
Abstract
We report long-slit spectroscopic mapping of the η Carinae nebula obtained using the Space Telescope Imaging Spectrograph. The observations reveal the presence of a previously unknown bipolar emission nebula (roughly ±2'' along its major axis) embedded within the well-known and larger Homunculus Nebula. A preliminary analysis suggests that this embedded nebula may have originated from a minor eruption event circa 1890, 50 years after the formation of the larger Homunculus.
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