A CO Survey of the LMC with NANTEN: III. Formation of Stellar Clusters and Evolution of Molecular Clouds

Yamaguchi Reiko; Mizuno Norikazu; Mizuno Akira; Rubio M?3nica; Abe Rihei; Saito Hiro; Moriguchi Yoshiaki; Matsunaga Kena€?ichi; Onishi Toshikazu; Yonekura Yoshinori; Fukui Yasuo

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A CO Survey of the LMC with NANTEN: III. Formation of Stellar Clusters and Evolution of Molecular Clouds

机译：与NANTEN对LMC进行的CO调查：III。恒星团的形成和分子云的演化

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InordertoelucidatestarformationintheLMC,wemadeacompletestudyofCOcloudswithNANTEN.Inthepresentpaper,wecompare55giantmolecularclouds(GMCs),whosephysicalquantitieswerewelldetermined,withyoungobjects,suchasyoungstellarclustersandHiiregions.WefindthattheGMCsareactivelyformingstarsandclusters;23and40arefoundtobeassociatedwiththeclustersandtheHiiregions,respectively.TheclustersassociatedwiththeGMCsaresignificantlyyoung;$$sim85%$$ofthemareyoungerthan$$sim10,mathrm{Myr}$$.Inaddition,compactgroupsoftheyoungclustersareoftenfoundatthepeakpositionoftheGMCs,e.g.,N159andN44,whilemuchloosergroupsareawayfromtheGMCs.Thissuggeststhattheclustersareformedingroupsanddisperseastheybecomeold.ThedistributionsoftheCO,[Cii],andUVindicatethattheGMCsarelikelytoberapidlydissipatedwithinseveralMyrduetoUVphotonsfromtheclusters.WealsoestimatetheevolutionarytimescaleoftheGMCs;theyformstarsinafewMyraftertheirbirth,andformclustersduringthenextfewMyr,andaredissipatedinthesubsequentfewMyr.

机译：InordertoelucidatestarformationintheLMC，wemadeacompletestudyofCOcloudswithNANTEN.Inthepresentpaper，wecompare55giantmolecularclouds（系膜细胞），whosephysicalquantitieswerewelldetermined，withyoungobjects，suchasyoungstellarclustersandHiiregions.WefindthattheGMCsareactivelyformingstarsandclusters; 23and40arefoundtobeassociatedwiththeclustersandtheHiiregions，respectively.TheclustersassociatedwiththeGMCsaresignificantlyyoung; $$ sim85 ％$$ ofthemareyoungerthan $$ sim10，mathrm {秘耳} $$ Inaddition，compactgroupsoftheyoungclustersareoftenfoundatthepeakpositionoftheGMCs，例如N159andN44，whilemuchloosergroupsareawayfromtheGMCs.Thissuggeststhattheclustersareformedingroupsanddisperseastheybecomeold.ThedistributionsoftheCO，[CII]，andUVindicatethattheGMCsarelikelytoberapidlydissipatedwithinseveralMyrduetoUVphotonsfromtheclusters.WealsoestimatetheevolutionarytimescaleoftheGMCs; theyformstarsinafewMyraftertheirbirth，andformclustersduringthenextfewMyr，andaredissipatedinthesubsequentfewMyr。

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《PASJ: Publications of the Astronomical Society of Japan》 |2001年第6期|共页
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Yamaguchi Reiko; Mizuno Norikazu; Mizuno Akira; Rubio M?3nica; Abe Rihei; Saito Hiro; Moriguchi Yoshiaki; Matsunaga Kena€?ichi; Onishi Toshikazu; Yonekura Yoshinori; Fukui Yasuo;
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1. Sensitive CO Observations of the LMC Supergiant Shells with NANTEN: Their Effects on the Formation of Molecular Clouds and Stellar Clusters [J] . Yamaguchi Reiko, Mizuno Norikazu, Onishi Toshikazu, PASJ: Publications of the Astronomical Society of Japan . 2001,第6期

机译：LMC超大型壳与NANTEN的敏感CO观测：它们对分子云和恒星簇形成的影响
2. First Results of a CO Survey of the Large Magellanic Cloud with NANTEN; Giant Molecular Clouds as Formation Sites of Populous Clusters [J] . Fukui Yasuo, Mizuno Norikazu, Yamaguchi Reiko, PASJ: Publications of the Astronomical Society of Japan . 1999,第6期

机译：与NANTEN合作进行的大型麦哲伦星云CO调查的初步结果;巨型分子云作为人口簇的形成场所
3. A CO Survey of the LMC with NANTEN: II. Catalog of Molecular Clouds [J] . Mizuno Norikazu, Yamaguchi Reiko, Mizuno Akira, PASJ: Publications of the Astronomical Society of Japan . 2001,第6期

机译：与NANTEN对LMC进行的CO调查：II。分子云目录
4. Physical Properties of Molecular Clouds as Revealed by NANTEN CO Survey: From the Galactic Center to the Galactic Warp [C] . Mizuno A., Fukui Y. Boston University Astrophysics Conference . 2004

机译：Nanten Co调查显示的分子云的物理性质：从银河系到银河经线
5. Survey for transiting extrasolar planets in stellar systems: Stellar and planetary content of the open cluster NGC 1245 [D] . Burke, Christopher J. 2005

机译：恒星系统中恒星外行星的调查：NGC 1245疏散星团的恒星和行星含量
6. THE MAGELLANIC CLOUDS. XVI. INFRARED STARS AND STELLAR EVOLUTION [O] . Harlow Shapley 1955

机译：麦哲伦云。十六。红外星和恒星演化
7. A CO Survey of the LMC with NANTEN: III. Formation of Stellar Clusters and Evolution of Molecular Clouds [O] . Reiko Yamaguchi, Norikazu Mizuno, Akira Mizuno, 2001

机译：Nanten的LMC CO调查：III。形成恒星簇的形成和分子云的演变

A CO Survey of the LMC with NANTEN: III. Formation of Stellar Clusters and Evolution of Molecular Clouds

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