New Light On Southern Eclipsing Variables

Details New Light On Southern Eclipsing Variables New Light On Southern Eclipsing Variables

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19712908s&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #129.08; Bulletin of the American Astronomical Society, Vol. 33, p.713

Astronomy and Astrophysics

Astronomy

Scientific paper

Observations of Southern Eclipsing Variables, most of very short period and of solar-type are reported. These observations were all taken at Cerro Tololo Inter-American Observatory using the 1.0 m Yale and the 0.6 reflectors equiped with a Ga-As PMT. Most observations were taken using a BVRcIc filter sequence and some with UBVRcIc. These observations were taken over the course of six 7-9 night observing runs from August 1990 to September 1993. Here, we report the mean times of minimum light, JD Hel, (244+) for BF Pav: 9188.6306(2), 9188.7821(5), 9189.5376(30), 9189.6891(5), 9189.8401(3), AT Aqr: 8125.6145(2), 8125.7631(2), V902 Sgr: 9190.6293(2), 9190.7797(15), 9191.6589(3), 9191.8081(10), RT Hyi: 8128.8697(1), 8129.7202(2), 8129.8615(1), 8130.8564(8), V497 Sgr: 9192.8026(3), 49193.8281(4), V576Cen: 8690.6652(4), 8690.85313(1), 8691.6080(2), 8692.7955(7), 8695.5775(2), 48695.7671(11), V1961 Sgr: 8129.6076(1), V431Sgr: 8125.5381(3), 8127.5950(4), 8127.7337(1), 8130.6103(3). Phased plots and new period determinations are given. This analysis was conducted entirely by undergraduate students during the fall semester, 2000. This research was partially supported by a grant from NASA administered by the American Astronomical Society.

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