Techniques for Automated Single-Star Photometry

Details Techniques for Automated Single-Star Photometry Techniques for Automated Single-Star Photometry

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001phot.work...25h&link_type=abstract

Third Workshop on Photometry, p. 25

Computer Science

Telescopes, Photometry, Control Systems Design, Argentina, Arizona, Cycles, Extrasolar Planets, Luminosity, Mountains, Observatories, Precision, Signatures

Scientific paper

Tennessee State University operates several automatic photoelectric telescopes (APTs) located at Fairborn Observatory in the Patagonia Mountains of southern Arizona. The APTs are dedicated to photometric monitoring programs that would be expensive and difficult to accomplish without the advantages of automation. I review the operation of two of the telescopes (a 0.75- and 0.80-meter (m) APT) and the quality-control techniques that result in the routine acquisition of single-star differential photometry with a precision of 0.001 mag for single observations and 0.0001 - 0.0002 mag for seasonal means. I also illustrate the capabilities of the APTS with sample results from a program to measure luminosity cycles in sun-like stars and a related program to search for the signatures of extrasolar planets around these stars.

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