... A2323 Date Received: 2007-Mar-22 16:37:15 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: Director Discretionary Time Astronomy Spectroscopy Education 4 Hours Radio Line Observations: An Educational Pro ject using the Arecibo 305 m Telescope ABSTRACT: The increased remote observing capabilities of astronomical observatories allow their use in higher education. ...
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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. ...