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A New Catalog of Variable Stars in the Field of the Open Cluster M37
S. -W. Chang, Y. -I. Byun, J. D. Hartman
We present a comprehensive re-analysis of stellar photometric variability in the field of the open cluster M37 following the application of a new photometry and de-trending method…
Statistical Properties of Galactic δ Scuti Stars: Revisited
Seo-Won Chang, Pavlos Protopapas, Dae-Won Kim +1
We present statistical characteristics of 1,578 δ Scuti stars including nearby field stars and cluster member stars within the Milky Way. We obtained 46% of these stars (718 stars)…
Detecting Variability in Massive Astronomical Time-Series Data II: Variable Candidates in the Northern Sky Variability Survey
Min-Su Shin, Hahn Yi, Dae-Won Kim +2
We present variability analysis of data from the Northern Sky Variability Survey (NSVS). Using the clustering method which defines variable candidates as outliers from large cluste…
The TAOS Project Stellar Variability I. Detection of Low-Amplitude delta Scuti Stars
D. -W. Kim, P. Protopapas, C. Alcock +22
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 <~ 1 hour) such as del…
A Close Binary Star Resolved from Occultation by 87 Sylvia
Chi-Long Lin, Zhi-Wei Zhang, W. P. Chen +22
The star BD+29 1748 was resolved to be a close binary from its occultation by the asteroid 87 Sylvia on 2006 December 18 UT. Four telescopes were used to observe this event at two…