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http://www.naic.edu/~rminchin/arp220pub/2007AAS...21114107G.pdf.
http://www.naic.edu/~rminchin/arp220pub/2007AAS...21114107G.pdf.
1. http://www.naic.edu/~rminchin/arp220pub/mru2007.pdf
Arecibo Molecular Line Search of Arp 220: The Discovery of Pre-Biotic Molecules E. Momjian, C. Salter, T. Ghosh, B. Catinella, M. Lebron, M. Lerner & R. Minchin (NAIC-Arecibo Observatory) ABSTRACT An on-going Arecibo line search between 1.1 and 10 GHz of the prototypical starburst/megamaser galaxy, Arp 220, has revealed a spectrum rich in molecular transitions. ... 6.7 GHz Methanol Absorption First detection in Arp 220 of the 4-cm excited OH transitions 2 1/2, J=3/2, F=11 and 22. ...
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Ссылки http://www.naic.edu/~rminchin/arp220pub/mru2007.pdf -- 405.6 Кб -- 22.01.2008
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2. http://www.naic.edu/~phil/mbeam/hipass.pdf
... 2.3 Data acquisition Spectra generated by the Multibeam correlator contain the usual structure seen in spectra from other H i instruments: a bandpass spectrum which is the sum of the sky , ground and receiver temperatures multiplied by the product of the filters in the receiver chain; superimposed on this is a noise ... Note also that sources extended much beyond ,40 arcmin can be imaged poorly in HIPASS images because of the bandpass sidelobe effect described in Section 3.3. ...
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Ссылки http://www.naic.edu/~phil/mbeam/hipass.pdf -- 370.1 Кб -- 14.03.2003
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