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 Title: The Search For A Complex Molecule In A Selected Hot Core Region: A Rigorous Attempt To Confirm Trans-ethyl Methyl Ether Toward W51 E1/e2 Author(s): Carroll, Brandon Contributor(s): Remijan, Anthony; Blake, Geoffrey; Ziurys, Lucy; Apponi, Aldo J.; McGuire, Brett A. Subject(s): Mini-symposium: Astronomical Molecular Spectroscopy in the Age of ALMA Abstract: An extensive search has been conducted to confirm transitions of \textit{trans}-ethyl methyl ether (tEME), (C$_2$H$_5$OCH$_3$), toward the high mass star forming region W51 e1/e2 using the 12 m Telescope of the Arizona Radio Observatory (ARO) at 2 mm and 3 mm wavelengths. Typical peak to peak noise levels for the present observations of W51e1/e2 were between 10 mK to 30 mK, indicating an upper limit of the tEME column density of $\leq$ 1.5 $\times$ 10$^{15}$ cm$^{-2}$, this would make tEME at least a factor 2 times less abundant than dimethyl ether (CH$_3$OCH$_3$) toward W51 e1/e2. We have also performed an extensive search for this species toward the high mass star forming region Sgr B2(N-LMH) with the NRAO 100 m Green Bank Telescope (GBT). No transitions of tEME were detected and we were able to set an upper limit to the tEME column density of $\leq$ 4 $\times$ 10$^{14}$ cm$^{-2}$ toward Sgr B2(N-LMH). We will discuss these observations in the context of detecting large complex organic species toward star forming regions with next generation telescopes such as ALMA. Issue Date: 2014-06-18 Publisher: International Symposium on Molecular Spectroscopy Citation Info: Carroll, B.; Remijan, A.; Blake, G.; Ziurys, L.; Apponi, A.J.; McGuire, B.A. THE SEARCH FOR A COMPLEX MOLECULE IN A SELECTED HOT CORE REGION: A RIGOROUS ATTEMPT TO CONFIRM TRANS-ETHYL METHYL ETHER TOWARD W51 E1/E2. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.WF09 Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/51159 DOI: 10.15278/isms.2014.WF09 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: 2014-09-172015-04-14
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