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THz time-domain spectroscopy of interstellar ice analogs

Ioppolo, Sergio and Allodi, Marco A. and McGuire, Brett A. and Kelley, Matthew J. and Blake, Geoffrey A. (2013) THz time-domain spectroscopy of interstellar ice analogs. In: 246th ACS National Meeting & Exposition, Sept. 8-12, 2013, Indianapolis, IN. https://resolver.caltech.edu/CaltechAUTHORS:20131011-082647995

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Abstract

International astronomical facilities, in particular the Herschel Space Telescope, SOFIA and ALMA, are currently characterizing the interstellar medium (ISM) by collecting a huge amt. of new THz spectral data that must be compared to THz lab. spectra to be interpreted. The latter, however, are largely lacking, and this severely restricts the scientific impact of the astronomical observations. We have recently constructed a new THz time-domain spectroscopy system to investigate the spectra of interstellar relevant ice analogs in the range between 0.3 - 7 THz. The system is coupled to a FT-IR spectrometer to monitor the ices in the mid-IR (4000 - 500 cm^(-1)). This talk will focus on the lab. investigation of the compn. and structure of the bulk phases of interstellar ice analogs (i.e., H_2O, CO_2, CO, CH_3OH, NH_3, CH_4). The ultimate goal of this research project is to provide the scientific community with an extensive THz ice-database, which will allow quant. studies of the ISM, and guide future astronomical observations of species in the solid phase.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
http://www.acs.org/content/acs/en/meetings/fall-2013.htmlOrganizationConference Website
ORCID:
AuthorORCID
Ioppolo, Sergio0000-0002-2271-1781
Allodi, Marco A.0000-0002-3289-1659
McGuire, Brett A.0000-0003-1254-4817
Blake, Geoffrey A.0000-0003-0787-1610
Additional Information:© 2013 American Chemical Society.
Record Number:CaltechAUTHORS:20131011-082647995
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20131011-082647995
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:41882
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Oct 2013 21:00
Last Modified:09 Mar 2020 13:18

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