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Please use this identifier to cite or link to this item:
http://hdl.handle.net/2014/42834
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| Title: | Circumstellar environments of luminous infrared stellar objects in the magellanic clouds |
| Authors: | Azari, Abigail |
| Keywords: | large Magellanic clouds
infrared
mass loss
Hubble Space Telescope |
| Issue Date: | 5-Dec-2011 |
| Publisher: | Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012. |
| Citation: | NASA Undergraduate Student Research Program (USRP), Pasadena, California,December 5, 2011 |
| Abstract: | Young stars are formed out of the interstellar medium (ISM) which is replenished by mass loss rates from evolved stars. Circumstellar matter around young and evolved stellar objects usually emits energy in the infrared (IR) wavelength range as the matter is heated by the central star. Surveys of the Magellanic Clouds with the Spitzer Space Telescope in the 3.6–160 micron range have previously been completed. These surveys have led to catalogs of infrared sources: which include HII regions, young stars, super giants, asymptotic giant branch (AGB) stars, post-asymptotic giant branch (post-AGB) stars, and planetary nebulae. The utility of such surveys can be improved upon by using Hubble Space Telescope (HST) data. HST provides higher angular resolution than Spitzer and has allowed for more detailed investigation of these luminous IR objects. This project used previously obtained HST archival data to examine luminous IR objects at optical wavelengths. This allows for the reclassification of stellar objects previously thought as one type of object or in a particular stage of their stellar evolution. An overall objective of this project included looking for extended nebulosity around evolved stars to better understand the life cycle of such objects and classify these nebulae by shape. |
| URI: | http://hdl.handle.net/2014/42834 |
| Appears in Collections: | JPL TRS 1992+
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