Photometry of Z Tauri to Minimum

Details Photometry of Z Tauri to Minimum Photometry of Z Tauri to Minimum

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009javso..37..101c&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 37, no. 2, p. 101

Computer Science

Scientific paper

The long period Mira variable, Z Tauri, was followed to near minimum magnitude in late 2006 and early 2007. Z Tau reached a minimum V magnitude of 18.0, well below the minimum of about 14 as found in the archival AAVSO data. Photometry from previous minima at the USNO confirm similar minima in previous cycles. The presence of a close companion star resulted in the erroneous minima derived from the visual data. A preliminary phased light curve of a field star located near Z Tau that was found to be variable is also presented.

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