Stellar kinematics and populations out to 1.5 effective radii in the elliptical galaxy NGC 4636
- ISSN号：1674-4527
- 期刊名称：Research in Astronomy and Astrophysics
- 时间：2011.8
- 页码：909-923
- 分类：P157[天文地球—天文学] P412.15[天文地球—大气科学及气象学]
- 作者机构：[1]National Astronomical Observatory/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China, [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China, [3]Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
- 相关基金：Supported by the National Natural Science Foundation of China.Acknowledgements We especially thank the McDonald Observatory for performing the observations with the Hobby-Eberly Telescope （HET） in service mode. The HET is a joint project of the University of Texas at Austin, the Pennsylvania State University, Stanford University, Ludwig- Maximilians-Universitat Munchen and Georg-August-Universitat Guttingen. The HET is named in honor of its principal benefactors, William E Hobby and Robert E. Eberly. The Marcario Low Resolution Spectrograph is named for Mike Marcario of High Lonesome Optics who fabricated several optics for the instrument but died before its completion. The LRS is a joint project of the Hobby- Eberly Telescope partnership and the Instituto de Astronomfa de la Universidad Nacional Autenoma de Mexico. This work was in part supported by the National Natural Science Foundation of China （Grant No. 10821061） and the National Basic Research Program of China （Grant Nos. 11033008 and 2007CB815406）. We also gratefully acknowledge the Chinese Academy of Sciences and Max- Planck-Institut for extraterrestrische Physik that partially supported this work. Z. Han thanks the support of the Chinese Academy of Sciences （Grant No. KJCX2-YW-T24）. We thank Prof. Bender who gave us the HET time to perform the observations. We are grateful to Dr. R. P. Saglia and J. Thomas for reading the manuscript and providing useful suggestions. We really appreciate the referee for the useful comments that helped us to improve the presentation of the results.
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