NAOC Open IR
Planck Cold Clumps in the lambda Orionis Complex. III. A Chemical Probe of Stellar Feedback on Cores in the lambda Orionis Cloud
Yi, Hee-Weon1; Lee, Jeong-Eun1; Kim, Kee-Tae2,3; Liu, Tie4; Lim, Beomdu1; Tatematsu, Ken'ichi5,6
2021-05-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume254Issue:1Pages:24
AbstractMassive stars have a strong impact on their local environments. However, how stellar feedback regulates star formation is still under debate. In this context, we studied the chemical properties of 80 dense cores in the Orion molecular cloud complex composed of the Orion A (39 cores), B (26 cores), and lambda Orionis (15 cores) clouds using multiple molecular line data taken with the Korean Very Long Baseline Interferometry Network 21 m telescopes. The lambda Orionis cloud has an H ii bubble surrounding the O-type star lambda Ori, and hence it is exposed to the ultraviolet (UV) radiation field of the massive star. The abundances of C2H and HCN, which are sensitive to UV radiation, appear to be higher in the cores in the lambda Orionis cloud than in those in the Orion A and B clouds, while the HDCO to H2CO abundance ratios show the opposite trend, indicating warmer conditions in the lambda Orionis cloud. The detection rates of dense gas tracers such as the N2H+, HCO+, and (HCO+)-C-13 lines are also lower in the lambda Orionis cloud. These chemical properties imply that the cores in the lambda Orionis cloud are heated by UV photons from lambda Ori. Furthermore, the cores in the lambda Orionis cloud do not show any statistically significant excess in the infall signature of HCO+ (1-0), unlike those in the Orion A and B clouds. Our results support the idea that feedback from massive stars impacts star formation in a negative way by heating and evaporating dense materials, as in the lambda Orionis cloud.
Funding OrganizationBasic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI
DOI10.3847/1538-4365/abec4a
WOS KeywordTRIGGERED STAR-FORMATION ; MOLECULAR CLOUDS ; FORMING REGIONS ; LINE SURVEY ; PHOTODISSOCIATION REGIONS ; COMPARATIVE CHEMISTRY ; PROTOPLANETARY DISKS ; PHYSICAL CONDITIONS ; INITIAL CONDITIONS ; ALMA OBSERVATIONS
Language英语
Funding ProjectBasic Science Research Program through the National Research Foundation of Korea[NRF-2018R1A2B6003423] ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences[114231KYSB20200009] ; National Natural Science Foundation of China (NSFC)[12073061] ; Shanghai Pujiang Program[20PJ1415500] ; NRF - Korea government (MSIT)[NRF2019R1C1C1005224] ; JSPS KAKENHI[20H05645]
Funding OrganizationBasic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute ; Korea Astronomy and Space Science Institute ; KREONET (Korea Research Environment Open NETwork) ; KREONET (Korea Research Environment Open NETwork) ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Shanghai Pujiang Program ; Shanghai Pujiang Program ; NRF - Korea government (MSIT) ; NRF - Korea government (MSIT) ; JSPS KAKENHI ; JSPS KAKENHI
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000646370400001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77909
Collection中国科学院国家天文台
Corresponding AuthorYi, Hee-Weon
Affiliation1.Kyung Hee Univ, Sch Space Res, Yongin 446701, Gyeonggi Do, South Korea
2.Korea Astron & Space Sci Inst, 776 Daedeokdae Ro, Daejeon, South Korea
3.Univ Sci & Technol, Korea UST, 217 Gajeong Ro, Daejeon 34113, South Korea
4.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
5.Natl Inst Nat Sci, Nobeyama Radio Observ, Natl Astron Observ Japan, Minamisa Ku, 462-2 Nobeyama, Minamimaki, Nagano 3841305, Japan
6.SOKENDAI Grad Univ Adv Studies, Dept Astron Sci, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
Recommended Citation
GB/T 7714
Yi, Hee-Weon,Lee, Jeong-Eun,Kim, Kee-Tae,et al. Planck Cold Clumps in the lambda Orionis Complex. III. A Chemical Probe of Stellar Feedback on Cores in the lambda Orionis Cloud[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2021,254(1):24.
APA Yi, Hee-Weon,Lee, Jeong-Eun,Kim, Kee-Tae,Liu, Tie,Lim, Beomdu,&Tatematsu, Ken'ichi.(2021).Planck Cold Clumps in the lambda Orionis Complex. III. A Chemical Probe of Stellar Feedback on Cores in the lambda Orionis Cloud.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,254(1),24.
MLA Yi, Hee-Weon,et al."Planck Cold Clumps in the lambda Orionis Complex. III. A Chemical Probe of Stellar Feedback on Cores in the lambda Orionis Cloud".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 254.1(2021):24.
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