Proposal Identification No.: R2746 Date Received: 2012Jul10 17:38:25 Technical Page Proposal Type: Urgent General Category: Planetary Radar Observation Category: Solar System Total Time Requested: 2 Hours Minimum Useful Time: 2h Proposal Title: Radar observations of nearEarth asteroid 2012 MM11 ABSTRACT: We propose to observe potentiallyhazardous asteroid 2012 MM11 on the early morning of 2012 July 12, in order to refine its orbit and determine its rough size, shape and rotation rate. ...
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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. ...