Monitoring the North Celestial Pole with a Robotic Camera

Details Monitoring the North Celestial Pole with a Robotic Camera Monitoring the North Celestial Pole with a Robotic Camera

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.0503b&link_type=abstract

American Astronomical Society Meeting 208, #5.03; Bulletin of the American Astronomical Society, Vol. 38, p.83

Astronomy and Astrophysics

Astrophysics

Scientific paper

We have constructed a dedicated robotic instrument to monitor the region within 4 degrees of the north celestial pole continuously every clear night. The camera consists of a 0.23m telephoto lens with a STV CCD camera attached, providing a field of view of 4 X 5 degrees. Since October 2004 we have collected more than 12000 images of the region surrounding Polaris using this instrument. The camera obtains a sequence of short and long exposures for conducting searches for transient and variable objects and for monitoring the Cepheid variable Polaris. Polaris has exhibited unique behavior for a Cepheid variable, with previous authors (Kamper et al. 1984; Evans et al. 1998) observing Polaris to nearly cease its pulsation. Monitoring Polaris with high secular coverage should help explain this behavior. We describe here the design of the observatory, its operation and control systems and give preliminary examples of the data products from this project. We discuss future improvements to the instrument that will provide unique data on Polaris and objects near it on the sky. We acknowledge support from the Fund for Astrophysical Research through funds donated by the Institute for Space Observations.

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