A 10,000 YEAR OLD EXPLOSION IN DR21
A 10,000 YEAR OLD EXPLOSION IN DR21
复制标题
DR21 中一万年前的爆炸
DOI：
10.1088/2041-8205/765/2/l29
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
I. Cruz
中科院分区：
文献类型：
--
作者：
L. Zapata;J. Schmid;Nadia Perez;P. Ho;Luis F. Rodriguez;L. Loinard;I. Cruz
本文介绍了用天鹅座X分子云中的高质量恒星形成区DR 21辐射流的亚毫米波阵高角分辨率CO（2-1）线的灵敏观测结果。这些新的干涉观测表明，这种众所周知的神秘外流似乎是由大约10，000年前发生的爆炸事件产生的，这可能与500年前发生在猎户座Becklin-Neugebauer/Kleinman-Low中的大质量恒星系统的解体有关，但能量要高出约20倍。因此，这一结果支持了年轻恒星系统的解体可能是大质量恒星形成过程中常见的现象的观点。然而，仍然需要更多的理论和观察研究来证实我们的假设。
Sensitive high angular resolution (∼2″) CO(2–1) line observations made with the Submillimeter Array of the flow emanating from the high-mass star-forming region DR21 located in the Cygnus X molecular cloud are presented. These new interferometric observations indicate that this well known enigmatic outflow appears to have been produced by an explosive event that took place about 10,000 years ago, and that might be related to the disintegration of a massive stellar system such as the one that occurred in Orion Becklin–Neugebauer/Kleinman–Low 500 years ago, but about 20 times more energetic. This result therefore argues in favor of the idea that the disintegration of young stellar systems perhaps is a frequent phenomenon present during the formation of massive stars. However, many more theoretical and observational studies are still needed to confirm our hypothesis.
DOI：
10.1088/0004-637x/727/2/113
发表时间：
2010-11
期刊：
The Astrophysical Journal
影响因子：
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作者：
J. Bally;N. Cunningham;N. Moeckel;M. Burton;N. Smith;A. Frank;Å. Nordlund
通讯作者：
J. Bally;N. Cunningham;N. Moeckel;M. Burton;N. Smith;A. Frank;Å. Nordlund