Proposal Identification No.: A2300 Date Received: 2007-Feb-01 14:14:30 Technical Page Proposal Type: General Category : Sub- Category : Observation Category : Total Time Requested: Minimum Useful Time : Prop osal Title: ABSTRACT: see .pdf Large Astronomy Spectroscopy 0 Hours ALFALFA Followup: First Campaign Name riccardo giovanelli Institution cornell E-mail rg39@cornell.edu Phone 607-255-6505 Student no Remote Observing Request X Observer will travel to AO Remote ...
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... 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. ...