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This paper presents maps of the J=2-1 transition of CO toward the Draco Nebula Intermediate Velocity Cloud (IVC). The maps cover 8500 square arcmin with a velocity resolution of 0.33 km~s$^{-1}$ and angular resolution of 38", or 0.11 pc at…

Astrophysics of Galaxies · Physics 2024-06-04 John H. Bieging , Shuo Kong

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…

With the ATNF Mopra telescope we are performing a survey in the 12CO(1-0) line to map the molecular gas in the Large Magellanic Cloud (LMC). For some regions we also obtained interferometric maps of the high density gas tracers HCO+ and HCN…

We mapped 12CO and 13CO J = 2-1 emission over 1.04 square deg of the Serpens molecular cloud with 38 arcsec spatial and 0.3 km/s spectral resolution using the Arizona Radio Observatory Heinrich Hertz Submillimeter telescope. Our maps…

Astrophysics of Galaxies · Physics 2015-06-17 K. J. Burleigh , J. H. Bieging , A. Chromey , C. Kulesa , W. L. Peters

We present Atacama Large Millimeter/submillimeter Array (ALMA) Band 6 (1.3 mm) observations of dense cores in three massive molecular clouds within the Central Molecular Zone (CMZ) of the Milky Way, including the Dust Ridge cloud e, Sgr C,…

(Abridged) The initial physical conditions of high-mass stars and protoclusters remain poorly characterized. To this end we present the first targeted ALMA 1.3mm continuum and spectral line survey towards high-mass starless clump…

We present results of a wide-field (approximately 60 x 90 pc) ALMA mosaic of CO(2-1) and $^{13}$CO(2-1) emission from the molecular cloud associated with the 30 Doradus star-forming region. Three main emission complexes, including two…

We report the spatial distribution and physical characteristics of molecular clouds in the G24 region, which is located near the intersection of the Milky Way's Galactic bar with the Norma arm and the 3 kpc arm. Utilizing molecular line…

Astrophysics of Galaxies · Physics 2025-03-21 Tian Yang , Xi Chen , Xiao-Yun Xu , Yang Yang , En Chen , Jun Li , Bing-Gang Ju , Deng-Rong Lu

W51A is one of the most active star-forming region in our Galaxy, which contains giant molecular clouds with a total mass of 10^6 Msun. The molecular clouds have multiple velocity components over ~20 km/s, and interactions between these…

We present a multi-wavelength data analysis of the extended star-forming region S235 (hereafter E-S235), where two molecular clouds are present. In E-S235, using the 12CO (1-0) and 13CO (1-0) line data, a molecular cloud linked with the…

Astrophysics of Galaxies · Physics 2017-11-15 L. K. Dewangan , D. K. Ojha

Massive molecular clumps fragment into cores where star formation takes place, hence star-forming studies should be done at different spatial scales. Using near-IR data obtained with Gemini, data of CH3OCHO and CH3CN from the ALMA database,…

Astrophysics of Galaxies · Physics 2020-09-16 M. B. Areal , S. Paron , C. Fariña , M. E. Ortega , M. Celis Peña , M. Rubio

We have searched for massive molecular outflows in a sample of high-mass star forming regions, and we have characterised both the outflow properties and those of their associated molecular clumps. With a sample composed largely of more…

Astrophysics of Galaxies · Physics 2015-05-13 A. Lopez-Sepulcre , C. Codella , R. Cesaroni , N. Marcelino , C. M. Walmsley

As the first step of a multi-wavelength investigation into the relationship between young stellar clusters and their environment we present fully-sampled maps in the J=1--0 lines of 13CO and C18O and the J=2--1 line of C18O for a selected…

Astrophysics · Physics 2009-11-07 Naomi A. Ridge , T. L. Wilson , S. T. Megeath , L. E. Allen , P. C. Myers

We present CARMA observations in 3.3 mm continuum and several molecular lines of the surroundings of N14, N22, and N74, three infrared bubbles from the GLIMPSE catalog. We have discovered 28 compact continuum sources and confirmed their…

Astrophysics of Galaxies · Physics 2015-06-11 Reid Sherman

We have carried out a multi-wavelength study of the infrared dust bubble N6 to extensively investigate the molecular environs and star-forming activities therein. Mapping observations in 12CO J=1-0 and 13CO J=1-0 performed with the Purple…

Solar and Stellar Astrophysics · Physics 2015-06-23 Jing-Hua Yuan , Yuefang Wu , Jin Zeng Li , Hongli Liu

This work aims at investigating the characteristics of the molecular gas associated with the nebula G18.8+1.8, linked to the Wolf-Rayet star HD168206 (WR 113), and its relation to other components of its local interstellar medium. We…

Astrophysics of Galaxies · Physics 2015-06-04 J. Vasquez , M. Rubio , C. E. Cappa , N. U. Duronea

We report on a possible cloud-cloud collision in the DR 21 region, which we found through molecular observations with the Nobeyama 45-m telescope. We mapped an area of 8'x12' around the region with twenty molecular lines including the…

Astrophysics of Galaxies · Physics 2019-05-29 Kazuhito Dobashi , Tomomi Shimoikura , Shou Katakura , Fumitaka Nakamura , Yoshito Shimajiri

We present large-field (4.25~$\times$~3.75 deg$^2$) mapping observations toward the Galactic region centered at $l = 150\arcdeg, b = 3.5\arcdeg$ in the $J = 1-0$ emission line of CO isotopologues ($^{12}$CO, $^{13}$CO, and C$^{18}$O), using…

Astrophysics of Galaxies · Physics 2017-03-27 Fang Xiong , Xuepeng Chen , Ji Yang , Min Fang , Shaobo Zhang , Miaomiao Zhang , Xinyu Du , Wenshan Long

We present new observations of the CepA-East region of massive star formation and describe an extended and dynamically distinct feature not previously recognised. This feature is present in emission from H2CS, OCS, CH3OH, and HDO at -5.5…

Astrophysics · Physics 2009-11-11 C. Codella , S. Viti , D. A. Williams , R. Bachiller

We present the first results from the science demonstration phase for the Hi-GAL survey, the Herschel key-project that will map the inner Galactic Plane of the Milky Way in 5 bands. We outline our data reduction strategy and present some…

Astrophysics of Galaxies · Physics 2015-05-19 S. Molinari , B. Swinyard , J. Bally , M. Barlow , J. P. Bernard , P. Martin , T. Moore , A. Noriega-Crespo , R. Plume , L. Testi , A. Zavagno , A. Abergel , B. Ali , L. Anderson , P. André , J. P. Baluteau , C. Battersby , M. T. Beltrán , M. Benedettini , N. Billot , J. Blommaert , S. Bontemps , F. Boulanger , J. Brand , C. Brunt , M. Burton , L. Calzoletti , S. Carey , P. Caselli , R. Cesaroni , J. Cernicharo , S. Chakrabarti , A. Chrysostomou , M. Cohen , M. Compiegne , P. de Bernardis , G. de Gasperis , A. M. di Giorgio , D. Elia , F. Faustini , N. Flagey , Y. Fukui , G. A. Fuller , K. Ganga , P. Garcia-Lario , J. Glenn , P. F. Goldsmith , M. J. Griffin , M. Hoare , M. Huang , D. Ikhenaode , C. Joblin , G. Joncas , M. Juvela , J. M. Kirk , G. Lagache , J. Z. Li , T. L. Lim , S. D. Lord , M. Marengo , D. J. Marshall , S. Masi , F. Massi , M. Matsuura , V. Minier , M. A. Miville-Deschenes , L. A. Montier , L. Morgan , F. Motte , J. C. Mottram , T. G. Mueller , P. Natoli , J. Neves , L. Olmi , R. Paladini , D. Paradis , H. Parsons , N. Peretto , M. Pestalozzi , S. Pezzuto , F. Piacentini , L. Piazzo , D. Polychroni , M. Pomarès , C. C. Popescu , W. T. Reach , I. Ristorcelli , J. F. Robitaille , T. Robitaille , J. A. Rodón , A. Roy , P. Royer , D. Russeil , P. Saraceno , M. Sauvage , P. Schilke , E. Schisano , N. Schneider , F. Schuller , B. Schulz , B. Sibthorpe , H. A. Smith , M. D. Smith , L. Spinoglio , D. Stamatellos , F. Strafella , G. S. Stringfellow , E. Sturm , R. Taylor , M. A. Thompson , A. Traficante , R. J. Tuffs , G. Umana , L. Valenziano , R. Vavrek , M. Veneziani , S. Viti , C. Waelkens , D. Ward-Thompson , G. White , L. A. Wilcock , F. Wyrowski , H. W. Yorke , Q. Zhang
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