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Unformatted text preview: Radio Astronomy of Pulsars Purpose Students will learn to use a simulated radio telescope and receivers to locate and analyze pulsars. Students should be able to define and measure interstellar dispersion, and understand how it enables us to measure the distances to pulsars. Part I: Observation of a Pulsar with a Single-Channel Radio Receiver For this investigation you will point the telescope at a moderately strong pulsar and use a radio receiver with a graphic display, to look at the pulsing radio signal to get some idea of its overall characteristics. The radio waves we receive from pulsars are characterized by sharp pulses of short duration, very steady in their period of repetition, with periods as short as a few hundredths of a second up to several seconds. Do you think the strength of the pulse will be different depending on which frequency we use to observe it? Begin by familiarizing yourself with the telescope and its controls. Some instructions for using the program are in a separate document if you need them. Your instructor may also show you some of the important features and things to remember when operating a radio telescope....
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This note was uploaded on 02/06/2011 for the course ASTR 114 taught by Professor Staff during the Spring '08 term at George Mason.
- Spring '08