Low Mass Stellar Objects: The Early Years Near to Mid Infrared Spectrographic Studies of Protostars and Protoplanetary Disks/Envelopes in Taurus-Auriga

Details Low Mass Stellar Objects: The Early Years Near to Mid Infrared Spectrographic Studies of Protostars and Protoplanetary Disks/Envelopes in Taurus-Auriga Low Mass Stellar Objects: The Early Years Near to Mid Infrared Spectrographic Studies of Protostars and Protoplanetary Disks/Envelopes in Taurus-Auriga

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aps..aprc11001z&link_type=abstract

American Physical Society, APS April Meeting, April 16-19, 2005, abstract #C11.001

Astronomy and Astrophysics

Astrophysics

Scientific paper

The study of young stellar objects (YSOs), and their accompanying dust/gas envelopes and disks is a significant and rapidly growing area in the field of astrophysics. Using spectroscopic data from the new Spitzer Space Telescope, I analyzed several Class I protostellar sources to identify characteristics that could be used in modeling these objects. First, the spectra were extracted from the raw Spitzer data and put into usable format. Then each source was fitted with representations of the spectral continua; these were used to calculate optical depths of the major peaks and features. Plotting these data revealed several trends, such as the close correlation between H2O and CH3OH ices. Laboratory ice spectra were fit to the strong 15.2 μm CO2 feature of some objects. The apparent crystalline structure of some of these CO2 features was studied. Much work remains to be done before a comprehensive understanding of these sources is reached.

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