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Ammonia survey of the BGPS sources with the Nanshan 26-m telescope

文献类型：期刊论文

作者Sailanbek, Serikbek2,3,4; Esimbek, Jarken1,2,4,9; Henkel, C.2,8; Sobolev, Andrey M.2,7; Ladeyschikov, Dmitry A.7; Berdikhan, Dilda2,4,6; Wu, Gang1,2,4,9; Zhou, Jianjun1,2,4,9; Tang, Xindi1,2,4,9; He, Yuxin1,2,4,9
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2025-06-01
卷号539期号:4页码:2987-3012
关键词ISM: abundances ISM: clouds dust, extinction H II regions ISM: molecules
ISSN号0035-8711
DOI10.1093/mnras/staf564
产权排序1
英文摘要We conducted an ammonia survey targeting 217 sources from the Bolocam Galactic Plane Survey v1.0 using the Nanshan 26-m radio telescope, focusing on the NH3(1,1) and (2,2) lines, selecting sources based on the criteria that their 1.1 mm fluxes are greater than 5 Jy and that they are observable with the Nanshan 26-m radio telescope at the Xinjiang Astronomical Observatory. We successfully detected 188 (86.6 per cent) of our sources. These sources span a galactic longitude range of 1.2 degrees-192.6 degrees and reside in the local, Perseus, Saggitarius-Carina, Scutum-Centaurus, and Norma spiral arms and between them. Among them, 185 sources exhibit NH3 (1,1) and (2,2) inversion lines, all showing well-defined structural characteristics. Total NH3 column densities vary from 0.12 x 10(15) to 15 x 10(15) cm(-2), with para-NH3 fractional abundances averaging 1.8 x 10(-7). This study concludes that 82 per cent of our observed sources exhibit star formation activity, evidenced by 22 GHz water maser emission, and 52 per cent are identified as high-mass star formation regions through 6.7 GHz Class II methanol maser detections. Turbulence, reflected in non-thermal velocity dispersion, correlates positively with kinetic temperature, influencing cloud evolution and star formation. These results emphasize the role of turbulence in star formation processes and maser emission as their indicator. We also find a weak negative trend between ammonia column density and galactocentric distance with the 2 sigma significance, potentially linked to Galactic isotope ratio and gas density gradients.
WOS关键词STAR-FORMING REGIONS ; WATER MASER SURVEY ; COMPACT SOURCE CATALOG ; YOUNG STELLAR OBJECTS ; I METHANOL MASERS ; HI-GAL ; PHYSICAL-PROPERTIES ; DENSE CORES ; PLANE SURVEY ; DARK CLOUDS
资助项目National Key R&D Program of China[2022YFA1603103] ; National Key R&D Program of China[2023YFA1608002] ; National Key R&D Program of China[2022E0105] ; Regional Collaborative Innovation Project of Xinjiang Uyghur Autonomous Region[12173075] ; Regional Collaborative Innovation Project of Xinjiang Uyghur Autonomous Region[11973076] ; Regional Collaborative Innovation Project of Xinjiang Uyghur Autonomous Region[12103082] ; Regional Collaborative Innovation Project of Xinjiang Uyghur Autonomous Region[12403033] ; NSFC[2022D01E06] ; Natural Science Foundation of Xinjiang Uygur Autonomous Region[2021-XBQNXZ-028] ; Natural Science Foundation of Xinjiang Uygur Autonomous Region[XBZG-ZDSYS-202212] ; CAS Light of West China Program[2022D04033] ; Xinjiang Key Laboratory of Radio Astrophysics[2022TSYCLJ0005] ; Tianshan Talent Program of Xinjiang Uygur Autonomous Region ; Youth Innovation Promotion Association CAS[2025PVA0048] ; Youth Innovation Promotion Association CAS[2024VMA0002] ; Tianshan Talent Training Program and Tianchi Talent Project of Xinjiang Uyghur Autonomous Region - Chinese Academy of Sciences President's International Fellowship Initiative[23-12-00258] ; Russian Science Foundation ; Operation, Maintenance, and Upgrading Fund for Astronomical Telescopes and Facility Instruments - Ministry of Finance of China ; Urumqi Nanshan Astronomy and Deep Space Exploration Observation and Research Station in Xinjiang
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001482806500001
出版者OXFORD UNIV PRESS
资助机构National Key R&D Program of China ; National Key R&D Program of China ; Regional Collaborative Innovation Project of Xinjiang Uyghur Autonomous Region ; NSFC ; Natural Science Foundation of Xinjiang Uygur Autonomous Region ; CAS Light of West China Program ; Xinjiang Key Laboratory of Radio Astrophysics ; Tianshan Talent Program of Xinjiang Uygur Autonomous Region ; Youth Innovation Promotion Association CAS ; Tianshan Talent Training Program and Tianchi Talent Project of Xinjiang Uyghur Autonomous Region - Chinese Academy of Sciences President's International Fellowship Initiative ; Russian Science Foundation ; Operation, Maintenance, and Upgrading Fund for Astronomical Telescopes and Facility Instruments - Ministry of Finance of China ; Urumqi Nanshan Astronomy and Deep Space Exploration Observation and Research Station in Xinjiang
源URL[http://ir.xao.ac.cn/handle/45760611-7/7730]  
专题恒星形成与演化研究团组
通讯作者Sailanbek, Serikbek; Esimbek, Jarken; Henkel, C.
作者单位1.Chinese Acad Sci, Key Lab Radio Astron, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
3.Al Farabi Kazakh Natl Univ, Fac Phys & Technol, Dept Elect & Astrophys, Alma Ata 050040, Kazakhstan
4.Univ Chinese Acad Sci, Beijing 100080, Peoples R China
5.Al Farabi Kazakh Natl Univ, Fac Phys & Technol, Dept Plasma Phys Nonotechnol & Comp Phys, Alma Ata 050040, Kazakhstan
6.Nazarbayev Univ, Energet Cosmos Lab, Astana 010000, Kazakhstan
7.Ural Fed Univ, Inst Nat Sci & Math, Astron Observ, 19 Mira St, Ekaterinburg 620002, Russia
8.Max Plank Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
9.Xinjiang Key Lab Radio Astrophys, Urumqi 830011, Peoples R China
推荐引用方式
GB/T 7714		 Sailanbek, Serikbek,Esimbek, Jarken,Henkel, C.,et al. Ammonia survey of the BGPS sources with the Nanshan 26-m telescope[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2025,539(4):2987-3012.
APA Sailanbek, Serikbek.,Esimbek, Jarken.,Henkel, C..,Sobolev, Andrey M..,Ladeyschikov, Dmitry A..,...&Adilzhan, Kamila.(2025).Ammonia survey of the BGPS sources with the Nanshan 26-m telescope.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,539(4),2987-3012.
MLA Sailanbek, Serikbek,et al."Ammonia survey of the BGPS sources with the Nanshan 26-m telescope".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 539.4(2025):2987-3012.

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来源：新疆天文台

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