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LAMOST银河系大规模光谱巡天计划的进展和展望

刘晓为

刘晓为. LAMOST银河系大规模光谱巡天计划的进展和展望[J]. 物理, 2015, 44(04): 213-227. DOI: 10.7693/wl20150402
引用本文: 刘晓为. LAMOST银河系大规模光谱巡天计划的进展和展望[J]. 物理, 2015, 44(04): 213-227. DOI: 10.7693/wl20150402
LIU Xiao-Wei. LAMOSTGalactic spectroscopicsurveys[J]. PHYSICS, 2015, 44(04): 213-227. DOI: 10.7693/wl20150402
Citation: LIU Xiao-Wei. LAMOSTGalactic spectroscopicsurveys[J]. PHYSICS, 2015, 44(04): 213-227. DOI: 10.7693/wl20150402

LAMOST银河系大规模光谱巡天计划的进展和展望

基金项目: 国国家重点基础研究发展计划(批准号:2014CB845700) 资助项目

LAMOSTGalactic spectroscopicsurveys

  • 摘要: 大天区面积多目标光纤光谱天文望远镜(LAMOST,又称郭守敬望远镜)是一台新型准中星仪式反射施密特望远镜。其有效口径4 m,视场20平方度,配备了16台摄谱仪和4000根光纤,可同时获取至多4000个天体的光谱。光谱覆盖为370—910 nm,分辨率为1800。为期5年的LAMOST银河系大规模恒星光谱巡天计划已于2012年秋启动,计划获取超过700万条恒星光谱,截至2014年6月已获得超过300万条光谱。文章简要回顾了银河系研究的重要性和现状,介绍了LAMOST银河系光谱巡天计划的科学意义和目标,数据采集、处理和分析进展以及已获得的初步科研成果,并对LAMOST银河系光谱巡天计划的未来进行了展望。
    Abstract: The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST, also named the Guo Shou-Jing Telescope) is an innovative quasi-median reflective Schmidt telescope with an effective aperture of 4 m. It is equipped with 16 spectrographs fed by 4000 optical fibers distributed in a field of view of 20 sq.deg. The spectral range covers the optical wavelengths from 370 —910 nm at a resolving power of 1800. The LAMOST Galactic survey was initiated in the fall of 2012. It is expected to collect over 7 million spectra over a five-year period. So far, over 3 million spectra have been collected. In this article, I will briefly review the importance and current status of studies on our Milky Way Galaxy, and then present an overview of the scientific motivation,target selection, survey progress, and data collection and reduction, as well as the early scientific results and future prospects of the surveys.
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出版历程
  • 收稿日期:  2014-11-27
  • 发布日期:  2015-04-11

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