Matches in SemOpenAlex for { <https://semopenalex.org/work/W3102455161> ?p ?o ?g. }
- W3102455161 abstract "We made CO ($J$ = 1--0, 2--1, and 3--2) observations toward an H{sc ii} region RCW~32 in the Vela Molecular Ridge. The CO gas distribution associated with the H{sc ii} region was revealed for the first time at a high resolution of 22 arcsec. The results revealed three distinct velocity components which show correspondence with the optical dark lanes and/or H$alpha$ distribution. Two of the components show complementary spatial distribution which suggests collisional interaction between them at a relative velocity of $sim$4 km~s$^{-1}$. Based on these results, we present a hypothesis that cloud-cloud collision determined the cloud distribution and triggered formation of the exciting star ionizing RCW~32. The collision time scale is estimated from the cloud size and the velocity separation to be $sim$2 Myrs and the collision terminated $sim$1 Myr ago, which is consistent with an age of the exciting star and the associated cluster. By combing the previous works on the H{sc ii} regions in the Vela Molecular Ridge, we argue that the majority, at least four, of the H{sc ii} regions in the Ridge were formed by triggering of cloud-cloud collision." @default.
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- W3102455161 date "2018-03-26" @default.
- W3102455161 modified "2023-09-26" @default.
- W3102455161 title "Detailed CO(J = 1–0, 2–1, and 3–2) observations toward an H ii region RCW 32 in the Vela Molecular Ridge" @default.
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- W3102455161 doi "https://doi.org/10.1093/pasj/psy015" @default.
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