NDLI: The ring around sn1987a

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The ring around sn1987a

Content Provider	NASA Technical Reports Server (NTRS)
Author	Martin, Crystal L. Arnett, David
Copyright Year	1993
Description	Stars in the 9-40 solar mass range play a prominent role in the hydrodynamical and chemical evolution of galaxies. Their stellar winds and supernova explosions are believed to create the hot component of the interstellar medium (ISM). In some galactic disks, the kiloparsec sized super bubbles formed around clusters of massive stars may blow out of the disk plane and release hot, metal enriched gas into the galaxy's halo. Additionally, the expanding shock front of a super bubble in the disk may trigger additional star formation. Furthermore, similar processes probably drive the galactic winds associated with star burst nuclei that enrich the intracluster and intergalactic mediums. Nonetheless, the explosion of a blue super giant in the Large Magellanic Cloud (LMC), SN1987A, illuminated the incompleteness of our understanding of massive stars. Evolutionary models of massive stars do not synthesize the observed super giant populations in either the Milky Way or LMC. Our modeling of the formation of SN1987A's ring will improve our knowledge of both the post-main-sequence evolution of massive stars and their coupling to the ISM in galaxies.
File Size	191508
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930017679
Archival Resource Key	ark:/13960/t9576bh3t
Language	English
Publisher Date	1993-01-01
Access Restriction	Open
Subject Keyword	Astrophysics Stellar Winds Galactic Evolution Stellar Evolution Supernova 1987a High Temperature Gases Star Clusters Galactic Winds Stellar Models Massive Stars Magellanic Clouds Halos Star Formation Stellar Mass Shock Fronts Milky Way Galaxy Interstellar Matter Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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