On the Emergence and Discovery of Hot Spots in Supernova Remnant 1987A

Details On the Emergence and Discovery of Hot Spots in Supernova Remnant 1987A On the Emergence and Discovery of Hot Spots in Supernova Remnant 1987A

2000-04-13

arxiv.org/abs/astro-ph/0004191v2

Astronomy and Astrophysics

Astrophysics

12 pages, 2 figures; AASTeX v5.0 LaTeX 2e macros; submitted to the Astrophysical Journal Letters on 2000 April 5; includes ano

Scientific paper

10.1086/312771

We present the discovery of several new regions of interaction between the ejecta and equatorial circumstellar ring of SN1987A, an interaction leading to a much expanded development of the supernova remnant. We also trace the development of the first such "hot spot," discovered in 1997, back to 1995. Later hot spots seem to have emerged by early 1999. We discuss mechanisms for the long delay between the first and later spots.

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