Cloud-cloud collisions and triggered star formation

被引：103

作者：

Fukui, Yasuo ^{[1
]}

Habe, Asao ^{[2
]}

Inoue, Tsuyoshi ^{[1
]}

Enokiya, Rei ^{[1
,3
]}

Tachihara, Kengo ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Sci, Dept Phys, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[2] Hokkaido Univ, Fac Sci, Dept Phys, Kita Ku, Kita 10 Nishi 8, Sapporo, Hokkaido 0600810, Japan

[3] Keio Univ, Fac Sci & Technol, Dept Phys, Kohoku Ku, 3-14-1 Hiyoshi, Yokohama, Kanagawa 2238522, Japan

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 2021年 / 73卷

基金：

日本学术振兴会;

关键词：

ISM: clouds; ISM: kinematics and dynamics; ISM: molecules; stars: formation; H-II REGIONS; GIANT MOLECULAR CLOUDS; LARGE-MAGELLANIC-CLOUD; DISK GALAXIES. II; GALACTIC-CENTER; CLUSTER FORMATION; COLLIDING CLOUDS; ALMA VIEW; GRAVITATIONAL-INSTABILITY; LINE OBSERVATIONS;

D O I：

10.1093/pasj/psaa103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Star formation is a fundamental process for galactic evolution. One issue over the last several decades has been determining whether star formation is induced by external triggers or self-regulated in a closed system. The role of an external trigger, which can effectively collect mass in a small volume, has attracted particular attention in connection with the formation of massive stellar clusters, which in extreme cases may lead to starbursts. Recent observations have revealed massive cluster formation triggered by cloud-cloud collisions in nearby interacting galaxies, including the Magellanic system and the Antennae Galaxies as well as almost all well-known high-mass star-forming regions in the Milky Way, such as RCW 120, M20, M42, NGC 6334, etc. Theoretical efforts are going into the foundation for the mass compression that causes massive cluster/star formation. Here, we review the recent progress on cloud-cloud collisions and the triggered star-cluster formation, and discuss future prospects for this area of study.

引用

页码：S1 / S34

页数：34

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