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相关论文: A cluster of outflows in the Vulpecula Rift

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We present the results of CO ($J=3-2$) and HCO$^+$ ($J=4-3$) mapping observations toward a nearby embedded cluster, Serpens South, using the ASTE 10 m telescope. Our CO ($J=3-2$) map reveals that many outflows are crowded in the dense…

New JCMT HARP CO 3-2 observations of the W5 star forming complex are presented, totaling an area of 12000 arcmin^2 with sensitivity better than 0.1 K per 0.4 km/s channel. We discovered 55 CO outflow candidates, of which 40 are associated…

星系天体物理 · 物理学 2015-05-28 Adam Ginsburg , John Bally , Jonathan Williams

We present a study of molecular outflows using six molecular lines (including 12CO/13CO/C18O/HCO+(J = 1-0) and SiO/CS(J = 2-1)) toward nine nearby high-mass star-forming regions with accurate known distances. This work is based on the…

星系天体物理 · 物理学 2021-03-10 De-Jian Liu , Ye Xu , Ying-Jie Li , Sheng Zheng , Deng-Rong Lu , Chao-Jie Hao , Ze-Hao Lin , Shuai-Bo Bian , Li-Ming Liu

Context. Outflows provide indirect means to get an insight on diverse star formation associated phenomena. On scales of individual protostellar cores, outflows combined with intrinsic core properties can be used to study the mass…

星系天体物理 · 物理学 2015-05-19 O. Dionatos , B. Nisini , C. Codella , T. Giannini

We present results of continuum and spectral line observations with ALMA and 22 GHz water (H$_2$O) maser observations using KaVA and VERA toward a high-mass star-forming region, G25.82-0.17. Multiple 1.3 mm continuum sources are revealed,…

We present Submillimeter Array observations toward the 10^{4.7} Lsun star-forming region G240.31+0.07, in the J=2-1 transition of 12CO and 13CO and at 1.3 mm continuum, as well as the 12CO and 13CO observations from the Caltech…

星系天体物理 · 物理学 2011-02-11 Keping Qiu , Qizhou Zhang , Jingwen Wu , Huei-Ru Chen

We report the discovery of a very dense jet-like fast molecular outflow surrounded by a wide-angle wind in a massive young stellar object (MYSO) G18.88MME (stellar mass $\sim$8 M$_{\odot}$) powering an Extended Green Object G18.89$-$0.47.…

星系天体物理 · 物理学 2021-07-07 I. I. Zinchenko , L. K. Dewangan , T. Baug , D. K. Ojha , N. K. Bhadari

Molecular outflows driven by protostellar cluster members likely impact their surroundings and contribute to turbulence, affecting subsequent star formation. The very young Serpens South cluster consists of a particularly high density and…

太阳与恒星天体物理 · 物理学 2015-06-24 Adele L. Plunkett , Hector G. Arce , Stuartt A. Corder , Michael M. Dunham , Guido Garay , Diego Mardones

We present a multiwavelength investigation of a region of a nearby giant molecular cloud that is distinguished by a minimal level of star formation activity. With our new 12CO(J=2-1) and 13CO(J=2-1) observations of a remote region within…

星系天体物理 · 物理学 2017-05-24 Nia Imara , Charles Lada , John Lewis , John H. Bieging , Shuo Kong , Marco Lombardi , Joao Alves

We present observations towards a high-mass ($\rm >40\,M_{\odot}$), low luminosity ($\rm <10\,L_{\odot}$) $\rm 70\,\mu$m dark molecular core G 28.34 S-A at 3.4 mm, using the IRAM 30 m telescope and the NOEMA interferometer. We report the…

星系天体物理 · 物理学 2016-09-21 S. Feng , H. Beuther , Q. Zhang , H. B. Liu , Z. Zhang , K. Wang , K. Qiu

We have made 12CO 2-1 and 1-0 maps of eleven molecular outflows associated with intermediate to high-mass young stellar objects (YSOs) in order to establish whether the correlations between outflow parameters and source bolometric…

天体物理学 · 物理学 2009-11-07 Naomi A. Ridge , Toby J. T. Moore

We present observations of outflows in the star-forming region NGC 1333 using the Combined Array for Research in Millimeter-Wave Astronomy (CARMA). We combined the 12CO and 13CO (1-0) CARMA mosaics with data from the 14-m Five College Radio…

太阳与恒星天体物理 · 物理学 2015-06-16 Adele L. Plunkett , Hector G. Arce , Stuartt A. Corder , Diego Mardones , Anneila I. Sargent , Scott L. Schnee

We report interferometric observations of the VeLLO L1521F-IRS, in 12CO (2-1) line emission and the 1.3 mm continuum emission, using the Submillimeter Array (SMA). With the 12CO high-resolution observations, we have spatially resolved a…

星系天体物理 · 物理学 2015-06-16 Satoko Takahashi , Nagayoshi Ohashi , Tyler Bourke

We conducted an exploration of 12CO molecular outflows in the Orion A giant molecular cloud to investigate outflow feedback using 12CO (J = 1-0) and 13CO (J = 1-0) data obtained by the Nobeyama 45-m telescope. In the region excluding the…

We report results of the CO(J=3-2) and HCO+(J=4-3) observations of the W40 HII region with the ASTE 10 m telescope (HPBW~22 arcsec) to search for molecular outflows and dense clumps.We found that the velocity field in the region is highly…

太阳与恒星天体物理 · 物理学 2015-05-13 Tomomi Shimoikura , Kazuhito Dobashi , Fumitaka Nakamura , Chihomi Hara , Tomohiro Tanaka , Yoshito Shimajiri , Kouji Sugitani

We present a set of detailed molecular line maps of the region associated with the giant Herbig-Haro flow HH 315, from the young star PV Cephei, aimed at studying the outflow-cloud interaction. Our study clearly shows that the HH 315 flow…

天体物理学 · 物理学 2009-11-07 Hector G. Arce , Alyssa A. Goodman

We present a study on the impact of molecular outflows in the Perseus molecular cloud complex using the COMPLETE survey large-scale 12CO(1-0) and 13CO(1-0) maps. We used three-dimensional isosurface models generated in RA-DEC-Velocity space…

太阳与恒星天体物理 · 物理学 2015-03-17 Hector G. Arce , Michelle A. Borkin , Alyssa A. Goodman , Jaime E. Pineda , Michael W. Halle

Jets and outflows are the early signposts of stellar birth. Using the UKIRT Wide Field Infrared Survey for H2 (UWISH2) at 2.12 micron, 127 outflows are identified in molecular cloud complexes Vulpecula OB1 and IRDC G53.2 covering 12 square…

星系天体物理 · 物理学 2024-03-22 Manish Chauhan , Manash Samal , Anandmayee Tej , Dirk Froebrich

We present the results of a high resolution study with the Submillimeter Array towards the massive star forming complex G9.62+0.19. Three sub-mm cores are detected in this region. The masses are 13, 30 and 165 M$_{\sun}$ for the northern,…

太阳与恒星天体物理 · 物理学 2015-05-27 Tie Liu , Yuefang Wu , Sheng-Yuan Liu , Sheng-Li Qin , Yu-Nung Su , Huei-Ru Chen , Zhiyuan Ren

We present Submillimeter Array observations of the young stellar object IRAS 04579+4703 in the 1.3 mm continuum and in the 12CO(2-1), 13CO(2-1) and C18O(2-1) lines. The 1.3 mm continuum image reveals a flattened structure with a mass of 13…

太阳与恒星天体物理 · 物理学 2015-06-04 Jin-Long Xu , Jun-Jie Wang , Sheng-Li Qin
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