<P>We analyzed data accumulated during 2005 and 2006 by the Taiwan-American Occultation Survey (TAOS) in order to detect short-period variable stars (periods of <img entity='lsim' SRC='http://ej.iop.org/icons/Entities/lsim.gif' ALT=...
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https://www.riss.kr/link?id=A107621024
Kim, D.-W. ; Protopapas, P. ; Alcock, C. ; Byun, Y.-I. ; Kyeong, J. ; Lee, B.-C. ; Wright, N. J. ; Axelrod, T. ; Bianco, F. B. ; Chen, W.-P. ; Coehlo, N. K. ; Cook, K. H. ; Dave, R. ; King, S.-K. ; Lee, T. ; Lehner, M. J. ; Lin, H.-C. ; Marshall, S. L. ; Porrata, R. ; Rice, J. A. ; Schwamb, M. E. ; Wang, J.-H. ; Wang, S.-Y. ; Wen, C.-Y. ; Zhang, Z.-W.
2010
-
SCI,SCIE,SCOPUS
학술저널
757-764(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>We analyzed data accumulated during 2005 and 2006 by the Taiwan-American Occultation Survey (TAOS) in order to detect short-period variable stars (periods of <img entity='lsim' SRC='http://ej.iop.org/icons/Entities/lsim.gif' ALT=...
<P>We analyzed data accumulated during 2005 and 2006 by the Taiwan-American Occultation Survey (TAOS) in order to detect short-period variable stars (periods of <img entity='lsim' SRC='http://ej.iop.org/icons/Entities/lsim.gif' ALT='lsim' ALIGN='BASELINE' />1 hr) such as δ Scuti. TAOS is designed for the detection of stellar occultation by small-size Kuiper Belt Objects and is operating four 50 cm telescopes at an effective cadence of 5 Hz. The four telescopes simultaneously monitor the same patch of the sky in order to reduce false positives. To detect short-period variables, we used the fast Fourier transform algorithm (FFT) in as much as the data points in TAOS light curves are evenly spaced. Using FFT, we found 41 short-period variables with amplitudes smaller than a few hundredths of a magnitude and periods of about an hour, which suggest that they are low-amplitude δ Scuti stars. The light curves of TAOS δ Scuti stars are accessible online at the Time Series Center Web site (http://timemachine.iic.harvard.edu).</P>