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http://www.naic.edu/~nolan/weather.html.
http://www.naic.edu/~nolan/weather.html.
1. Some Useful Resources
... The Arecibo RFI Environment : . ... This page shows the present environment for RFI at Arecibo. the web page is: http://www.naic.edu/rfiuser . The Northern VLA Sky Survey (NVSS) : . ... The NASA/IPAC Extragalactic Data Base (NED) : . This is built around a master list of extragalactic objects for which cross-identifications of names have been established, accurate positions and redshifts entered to the extent possible, and some basic data c collected. ...
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Ссылки http://www.naic.edu/~astro/spectral_line/handbook/app/node3.html -- 6.0 Кб -- 20.03.2002
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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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