Star cluster formation in Orion A

Star cluster formation in Orion A
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猎户座 A 星团的形成

DOI:
10.1093/pasj/psaa035
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发表时间:
2020
影响因子:
2.3
通讯作者:
Lis, Dariusz C
Lis, Dariusz C
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Lim, Wanggi;Nakamura, Fumitaka;Wu, Benjamin;Bisbas, Thomas G;Tan, Jonathan C;Chambers, Edward;Bally, John;Kong, Shuo;McGehee, Peregrine;Lis, Dariusz C

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我们介绍了新的分析方法来研究猎户座A中的星星团的形成过程,特别是研究云-云碰撞的情况。我们利用CARMA-NRO猎户座巡天13 CO(1-0)数据比较分子气体的年轻恒星天体的SDSS III IN-SYNC调查的属性。我们发现,较老的YSO的散射和散射的增加可能是云-云碰撞的信号。SOFIA-upGREAT 158 μm [Cii]档案数据朝向猎户座A的北方部分也比较了13 CO数据,以测试是否位置和速度之间的偏移量的排放从这两个过渡相似的云-云碰撞模型预测。我们发现猎户座A的北方部分,包括区域ONC-OMC-1,OMC-2,OMC-3,和OMC-4,显示定性协议与云-云碰撞的情况下,而在南部地区之一,NGC 1999,没有迹象表明这样的过程中,导致新的恒星诞生。另一方面,另一个南部星系团L 1641 N表现出轻微的云间碰撞趋势。总之,我们的研究结果支持云-云碰撞过程是猎户座A星星星团形成的重要机制。
We introduce new analysis methods for studying the star cluster formation processes in Orion A, especially examining the scenario of a cloud–cloud collision. We utilize the CARMA–NRO Orion survey13CO (1–0) data to compare molecular gas to the properties of young stellar objects from the SDSS III IN-SYNC survey. We show that the increase ofand Σ scatter of older YSOs can be signals of cloud–cloud collision. SOFIA-upGREAT 158 μm [Cii] archival data toward the northern part of Orion A are also compared to the13CO data to test whether the position and velocity offsets between the emission from these two transitions resemble those predicted by a cloud–cloud collision model. We find that the northern part of Orion A, including regions ONC-OMC-1, OMC-2, OMC-3, and OMC-4, shows qualitative agreements with the cloud–cloud collision scenario, while in one of the southern regions, NGC 1999, there is no indication of such a process in causing the birth of new stars. On the other hand, another southern cluster, L 1641 N, shows slight tendencies of cloud–cloud collision. Overall, our results support the cloud–cloud collision process as being an important mechanism for star cluster formation in Orion A.
DOI: 10.1051/0004-6361/201834049
发表时间: 2018-03
期刊: The Astrophysical Journal Supplement Series
影响因子: --
作者:
Shuo Kong;H. Arce;J. Feddersen;J. Carpenter;F. Nakamura;Y. Shimajiri;A. Isella;V. Ossenkopf-Okada;A. Sargent;Á. Sánchez-Monge;S. Suri;J. Kauffmann;T. Pillai;J. Pineda;J. Koda;J. Bally;D. Lis;P. Padoan;R. Klessen;S. Mairs;A. Goodman;P. Goldsmith;P. McGehee;P. Schilke;P. Teuben;M. Maureira;C. Hara;A. Ginsburg;B. Burkhart;Rowan J. Smith;A. Schmiedeke;J. Pineda;S. Ishii;K. Sasaki;R. Kawabe;Yumiko Urasawa;S. Oyamada;Yoshihiro Tanabe
通讯作者: Shuo Kong;H. Arce;J. Feddersen;J. Carpenter;F. Nakamura;Y. Shimajiri;A. Isella;V. Ossenkopf-Okada;A. Sargent;Á. Sánchez-Monge;S. Suri;J. Kauffmann;T. Pillai;J. Pineda;J. Koda;J. Bally;D. Lis;P. Padoan;R. Klessen;S. Mairs;A. Goodman;P. Goldsmith;P. McGehee;P. Schilke;P. Teuben;M. Maureira;C. Hara;A. Ginsburg;B. Burkhart;Rowan J. Smith;A. Schmiedeke;J. Pineda;S. Ishii;K. Sasaki;R. Kawabe;Yumiko Urasawa;S. Oyamada;Yoshihiro Tanabe
DOI: --
发表时间: 2019
影响因子: 6.5
作者:
A. Bik;T. Henning;Shaoping Wu;M. Zhang;W. Brandner;A. Pasquali;A. Stolte
通讯作者: A. Stolte
DOI: 10.3847/1538-3881/aad1f1
发表时间: 2018-05
期刊: The Astronomical Journal
影响因子: --
作者:
M. Kounkel;K. Covey;Genaro Su'arez;C. Rom'an-Z'uniga;Jesús Hernández;K. Stassun;Karl O. Jaehnig
通讯作者: M. Kounkel;K. Covey;Genaro Su'arez;C. Rom'an-Z'uniga;Jesús Hernández;K. Stassun;Karl O. Jaehnig
DOI: 10.1086/509321
发表时间: 2006-09
期刊: The Astrophysical Journal
影响因子: --
作者:
L. Hartmann;A. Burkert
通讯作者: L. Hartmann;A. Burkert
CARMA-NRO 猎户座调查:猎户座分子云中反馈的统计特征
DOI: --
发表时间: 2019
影响因子: 4.9
作者:
J. Feddersen;H. Arce;Shuo Kong;V. Ossenkopf;J. Carpenter
通讯作者: J. Carpenter