Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.2912b&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #29.12; Bulletin of the American Astronomical Society, V
Astronomy and Astrophysics
Astronomy
Scientific paper
We report the analysis of the slowly pulsating B stars HD1976, HD25558, HD199122, HD222555, and one suspected one, HD44112. These stars have been observed since late 1999 by the Four College Consortium Automatic Photoelectric Telescope (FCAPT). After reducing the data using standard APT techniques we have analyzed it for periodicity using several different period determination programs including Period04 and a version of the CLEAN algorithm. We have confirmed 5 distinct periods for HD1976, 2 periods for HD25558, 3 periods for HD44112 and one possible candidate, 3 periods for HD199122 and 3 candidates, and 5 periods for HD222555, with 4 candidates. The signal-to-noise ratio as defined by Period04 for these frequencies is significantly higher than the value of 4 which is generally accepted as indicating an actual period. Observations are continuing on this group of stars. This work has been supported by a College of Charleston Research Presentation Grant and NSF Grants AST95-28906 and AST05-07551.
Bramlett Joseph
Dukes Robert J. Jr.
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