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SIX “LOST” MIRA VARIABLES RECOVERED ON MMO PLATES

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Felicia Tam

Stanford University

Department of Physics

P. O. Box 13447

Stanford, CA 94309

and

Maria Mitchell Observatory

3 Vestal Street

Nantucket, MA 02554

Nikolai Samus

Institute of Astronomy

Russian Academy of Sciences

48, Pyatnitskaya Str.

Moscow 109017

Russia

and

Maria Mitchell Observatory

Received November 1999; revised January 2000

Abstract

Six Mira variables, which were discovered at Harvard Observatory and lacked finding charts, were recovered on Maria Mitchell Observatory plates. We present accurate coordinates and updated light elements for CV Sgr, SW Sct, VV Sct, AO Sct, AV Sct, and BI Sct. AV Sct shows definite period changes during the time interval studied. SW Sct and AO Sct may also have experienced period changes.

Link to ADS abstract, article and citation information