... R2038 Date Received: 2006-Nov-01 15:29:31 Technical Page Proposal Type: General Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Urgent Planetary Radar Solar System 4.5 Hours Radar Observations of Asteroid 325 Heidelberga We request 4.5 hours on Nov 17 and 18 to observe the M-asteroid 325 Heidelberga. ... We will observe Heidelberga near opposition; its detection will provide a radar cross-section and an estimate of its radar albedo. ... Part of the observing run. ...
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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. ...