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Proposal Identification No.:

P2460

Date Received:

2008-Dec-21 19:04:34

Technical Page
Proposal Type: General Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Short Pulsars 4 Hours 1 hour

Observational Test of Non-radial Oscillations in Radio Pulsars

This proposal will definitively test a recently proposed model for the short time variability seen in radio pulsar emission. At the same time, it will give both high school and undergraduate students involved in the Arecbio Remote Command Center (ARCC) pro ject experience in performing radio pulsar observations simultaneously with both the Arecibo and Green Bank Telescopes. In 2004, Clemens and Rosen developed a model based on asteroseismological techniques to explain the rich and diverse phenomena seen in the individual pulses, or sub-pulses, emitted from radio pulsars. The model was able to account for the sub-pulse behavior seen in PSR B0943+10. Given the initial success of this model, we want to further investigate its validity. The Clemens and Rosen model can predict the sub-pulse behavior at a given observing frequency using constraints obtained by sub-pulse observations at a significantly different frequency band. Hence, this model can be tested by simultaneously observing a pulsar at two very different frequencies. This will be done by observing three radio pulsars with both Arecibo and the Green Bank radio telescope.

Name Rachel Rosen

Institution NRAO

E-mail rrosen@nrao.edu

Phone 304-456-2385

Student no

Remote Observing Request

Observer will travel to AO X Remote Observing In Absentia (instructions to operator)

Instrument Setup
430 G Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none 1


RFI Considerations Frequency Ranges Planned

2