간행물
천문학논총 KCI 등재 Publications of the Korean Astronomical Society
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- 간기 연3회
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- 수록기간 1984 ~ 2024
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권호리스트/논문검색
Volume 25 Issue 2 (2010년 6월) 1건
1.
2010.06
구독 인증기관 무료, 개인회원 유료
Next to Paper I (Jeon 2009a), time-series BV CCD images of the open cluster M38 were taken for 4 nights on December, 2009. The observations have been carried out for total 27 nights. In addition to the 20 variable stars in the Paper I, the discovery of 44 new variable stars has been presented in this paper: 6δ Scuti stars, 2γ Doradus stars, 18 eclipsing binaries and 18 semi-long periodic and/or slow irregular type variable stars. For the V photometry of the δ Scuti and γ Doradus stars, multi-frequency analysis was performed using the Discrete Fourier Transform and linear least-square fitting. The period search for the eclipsing binaries and the semi-long periodic and/or slow irregular type variable stars was performed by phase fitting method. As a result, the periods for 23 variable stars among the 44 ones were defined.
5,400원
