PMO OpenIR
thefirstccdphotometricstudyoftheopenclusterngc744
Wang Kun1; Deng Licai1; Luo Zhiquan1; Yan Zhengzhou1; Liu Qili2; Sun Jinjiang2; Zhou Qiang2
2018
Source Publicationresearchinastronomyandastrophysics
ISSN1674-4527
Volume18Issue:11
AbstractWe present the first CCD photometric observations of open cluster NGC 744, as part of the 50BiN Open Cluster Survey. The color-magnitude diagrams of this cluster were derived from absolute BV RI photometry on a good photometric night. A brief isochrone fitting gives a distance modulus of (m- M)(v) = 11.58 +/- 0.2 and a reddening of E(B-V) = 0.35 +/- 0.05 with an age of log t = 8.30 +/- 0.05. By carefully examining the RV time-series data, we discovered four new variable stars in a 20' x 20' field around the cluster. We classified them as three eclipsing binary stars and one delta Scuti pulsating star, mainly based on the light-curve shape, the detected periods and the positions on the color-magnitude diagrams.
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/29599
Collection中国科学院紫金山天文台
Affiliation1.Department of Astronomy,China West Normal University
2.中国科学院紫金山天文台
Recommended Citation
GB/T 7714
Wang Kun,Deng Licai,Luo Zhiquan,et al. thefirstccdphotometricstudyoftheopenclusterngc744[J]. researchinastronomyandastrophysics,2018,18(11).
APA Wang Kun.,Deng Licai.,Luo Zhiquan.,Yan Zhengzhou.,Liu Qili.,...&Zhou Qiang.(2018).thefirstccdphotometricstudyoftheopenclusterngc744.researchinastronomyandastrophysics,18(11).
MLA Wang Kun,et al."thefirstccdphotometricstudyoftheopenclusterngc744".researchinastronomyandastrophysics 18.11(2018).
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