国家自然科学基金(s10373023)

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Optical flare events on the RS Canum Venaticorum star UX Arietis
《Research in Astronomy and Astrophysics》2017年第6期55-66,共12页Dong-Tao Cao Sheng-Hong Gu 
partially supported by the Open Project Program of the Key Laboratory of Optical Astronomy,National Astronomical Observatories,Chinese Academy of Sciences;The present study is also supported by the National Natural Science Foundation of China(Grant Nos.10373023,10773027 and 11333006);Chinese Academy of Sciences project(No.KJCX2-YW-T24)
Based on long-term high-resolution spectroscopic observations obtained during five observing runs from 2001 to 2004, we study optical flare events and chromospheric activity variability of the very active RS CVn star ...
关键词：STARS activity - stars chromospheres - stars BINARIES spectroscopic -stars flare -stars individual （UX Ari） 
A newly discovered active contact binary in the field of NGC 1348
《Research in Astronomy and Astrophysics》2012年第1期93-103,共11页Xiang-Song Fang Sheng-Hong Gu Ho-Keung Hui Chi-Tai Kwok Bill Yeung Kam-Cheung Leung 
supported by the National Natural Science Foundation of China(Grant Nos. 10373023 and 10773027);grants from the Sik Sik Yuen of Hong Kong,China
We present a CCD photometry study of a newly discovered active eclipsing binary in the field of open cluster NGC 1348 based on the first time-series photometric observation. From the minimum times, we determined an or...
关键词：stars： binaries： close -- stars： binaries： eclipsing -- stars： spots 
Magnetic activity of the spotted dwarf AP149 in the α Persei open cluster
《Research in Astronomy and Astrophysics》2010年第3期253-265,共13页Xiang-Song Fang Sheng-Hong Gu Sze-Leung Cheung Ho-Keung Hui Chi-Tai Kwok Kam-Cheung Leung 
supported by the National Natural Science Foundation of China(Grant Nos.10373023 and 10773027);a grant from the Sik Sik Yuen of Hong Kong,China
The simultaneous photometric and spectroscopic observations of the spotted G dwarf AP149 in the young open cluster α Persei are analyzed here. We reconstruct the observed light curves with a two-starspot model by mea...
关键词：stars： activity -- stars： late-type -- stars： spots -- stars： individual AP149 
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