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Title:Detection, Identification And Correlation Of Complex Organic Molecules In 32 Interstellar Clouds Using Submm Observations
Author(s):Wehres, Nadine
Contributor(s):Widicus Weaver, Susanna L.; Herbst, Eric; Lis, D.C.; Cross, Trevor; Hays, Brian; Laas, Jacob; Kroll, Jay A; Sanders, James; Rad, Mary Lynn; Wang, Shiya
Subject(s):Mini-symposium: Astronomical Molecular Spectroscopy in the Age of ALMA
Abstract:We present spectral line surveys of 32 galactic sources using the Caltech Submillimeter Observatory (CSO) and the HIFI instrument on the Herschel Space Observatory. This study covers the 220~--~265~GHz frequency range using the CSO, as well as higher frequencies, 645~--~676~GHz and 1.14~THz~--~1.19~THz using the HIFI instrument. Deconvolution of the double sideband spectra was performed using the CLASS program and the Herschel/HIFI pipeline. Analysis of the data sets was performed using Global Optimization and Broadband Analysis Software for Interstellar Chemistry (GOBASIC), a new software program developed by our group for the evaluation and study of large astronomical spectroscopic data sets. Initial analysis has focused on 12 complex organic molecules that can be used to trace grain-surface and gas-phase chemical processing in the interstellar medium. GOBASIC was used to determine molecular column densities and rotational temperatures. This information is being used to study correlations between molecular abundances within a given source, and source-to-source correlations for a given molecule, with the ultimate goal of determining which molecules can be used as clocks of the star-formation process. The spectra and the results of this initial analysis will be presented.
Issue Date:2014-06-19
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:Wehres, N.; Widicus Weaver, S.L.; Herbst, E.; Lis, D.C.; Cross, T.; Hays, B.; Laas, J.; Kroll, J.A.; Sanders, J.; Rad, M.L.; Wang, S. DETECTION, IDENTIFICATION AND CORRELATION OF COMPLEX ORGANIC MOLECULES IN 32 INTERSTELLAR CLOUDS USING SUBMM OBSERVATIONS. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.RF10
Genre:CONFERENCE PAPER/PRESENTATION
Type:Text
Language:English
URI:http://hdl.handle.net/2142/50783
DOI:10.15278/isms.2014.RF10
Rights Information:Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/
Date Available in IDEALS:2014-09-17
2015-04-14


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