A Neophyte's Determination of EY Ceph Curves and Orbital Constants

Details A Neophyte's Determination of EY Ceph Curves and Orbital Constants A Neophyte's Determination of EY Ceph Curves and Orbital Constants

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sass...21...97m&link_type=abstract

The Society for Astronomical Sciences 21st Annual Symposium on Telescope Science, held May 22-23, 2002, at Big Bear, CA. Publish

Astronomy and Astrophysics

Astronomy

Scientific paper

Using amateur level equipment, and with a beginner's knowledge of photometry, I have built the light curve for the eclipsing variable EY Cephei (subject suggested by Claud Lacy). This 10mag star has two 0.6mag eclipses per cycle, with a period of 7.97 days. The good observing news is that it is circumpolar (so easily visible), the bad news is that if the eclipses are not visible at night at your location (or if you miss them), you have to wait 6-8 months before they return. Combine this with only three days notice to start the campaign, no experience in precision photometry, and limited (but good) equipment, the amazing thing is that I achieved success in the first week (then the weather deteriorated...). I will present intensity curve results to date, discuss how I got to them, and provide the results of a preliminary calculation of the system parameters (orbits, sizes, etc).

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