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350 micron Galactic Center Dust Observations with SHARC II | | Johannes Staguhn
; Dominic Benford
; Mark Morris
; Keven Uchida
; | | Date: |
7 Dec 2004 | | Journal: | "Proceedings of the 4th Cologne-Bonn-Zermatt-Symposium, The dense interstellar medium in galaxies", eds. S. Pfalzner, C. Kramer, C. Straubmeier, and A. Heithausen,Springer proceedings in physics, Vol. 91. Berlin, Heidelberg: Springer, 2004 | | Subject: | astro-ph | | Abstract: | We present first and preliminary submillimeter continuum images of the Galactic Center region obtained with the new Caltech Submillimeter Observatory facility camera SHARC II. The instrument allows 350 micron observations with unprecedented sensitivity and instantaneous spatial coverage. The stability of the SHARC II detectors combined with the large number of available pixels allows a non-differential scanning mode that does not require the observation of a reference off-source position. Here we present large-scale 350 micron dust continuum images from the Sgr A and Sgr C regions, as well as the detection of sub-mm dust continuum emission from the IRAS 25 micron source AFGL5376. This source is produced in a large-scale shock that extends well above the Galactic plane. | | Source: | arXiv, astro-ph/0412148 | | Services: | Forum | Review | PDF | Favorites | |
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