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First detection of HCO+ absorption in the magellanic system

Murray, Claire; Stanimirovic, Snežana; McClure-Griffiths, Naomi; Putman, Mary E.; Liszt, H. S.; Wong, Tony; Richter, P.; Dawson, Joanne R.; Dickey, John; Lindner, Robert R.; Babler, Brian L.; Allison, J. R.

Description

We present the first detection of HCO+ absorption in the Magellanic System. Using the ATCA, we observed nine extragalactic radio continuum sources behind the Magellanic System and detected HCO+ absorption toward one source located behind the leading edge of the Magellanic Bridge. The detection is located at an LSR velocity of v 214.0 0.4 km s =  -1 , with an FWHM of v 4.5 1.0 km s D =  -1 , and an optical depth of t (HCO ) 0.10 0.0 =  2 + . Although there is abundant neutral hydrogen...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/152259
Source: The Astrophysical Journal
DOI: 10.1088/0004-637X/808/1/41
Access Rights: Open Access

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