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CTIOPI: Cerro Tololo Interamerican Observatory Parallax Investigation The purpose of CTIOPI is to discover nearby red, white, and brown dwarfs that lurk unidentified in the solar neighborhood. Our goal is to discover 300 new southern star systems within 25 parsecs by determining trigonometric parallaxes accurate to 3 milliarcseconds. In addition, under the aegis of ASPENS (Astrometric Search for Planets Encircling Nearby Stars), we will concentrate efforts on ~100 nearby red and white dwarfs to detect very low mass companions. CTIOPI is a project carried out by a team of astronomers from the United States and Chile using the 0.9m and 1.5m CTIO telescopes located in the Chilean Andes. CTIOPI began under the auspices of the NOAO Surveys Program in 1999, and continues via the SMARTS Consortium.
Results
Observing Logs
JENNIFER BARTLETT United States Naval Observatory, Washington, DC JOEY CHATELAIN Georgia State University, Atlanta, GA CASSY DAVISON Georgia State University, Atlanta, GA SERGE DIETERICH Georgia State University, Atlanta, GA CHARLIE FINCH United States Naval Observatory, Washington, DC TODD HENRY Georgia State University, Atlanta, GA ALTONIO HOSEY Georgia State University, Atlanta, GA PHIL IANNA University of Virginia, Charlottesville, VA WEI-CHUN JAO Georgia State University, Atlanta, GA DAVID KOERNER Northern Arizona University, Flagstaff, AZ ADRIC RIEDEL Hunter College/American Museum of Natural History, New York, NY JOHN SUBASAVAGE United States Naval Observatory, Flagstaff, AZ ANGELLE TANNER Mississippi State University, Starkville, MS JENNIFER WINTERS Georgia State University, Atlanta, GA MARK BOYD Georgia State University, Atlanta, GA EDGARDO COSTA Universidad de Chile, Santiago, Chile RENE MENDEZ Universidad de Chile, Santiago, Chile ALBERTO MIRANDA Cerro Tololo Interamerican Observatory, La Serena, Chile JOSELINO VASQUEZ Cerro Tololo Interamerican Observatory, La Serena, Chile Links
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