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Related papers: Gas structure and dynamics towards bipolar infrare…

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We observe the 1.2 mm continuum emission around the OB cluster forming region G10.6-0.4, using the IRAM 30m telescope MAMBO-2 bolometer array and the Submillimeter array. Comparison of the Spitzer 24 $\mu$m and 8 $\mu$m images with our 1.2…

Solar and Stellar Astrophysics · Physics 2015-05-30 Hauyu Baobab Liu , Guillermo Quintana-Lacaci , Ke Wang , Paul T. P. Ho , Zhi-Yun Li , Qizhou Zhang , Zhiyu Zhang

A multi-wavelength investigation of the star forming complex IRAS 20286+4105, located in the Cygnus-X region, is presented here. Near-infrared K-band data is used to revisit the cluster / stellar group identified in previous studies. The…

Solar and Stellar Astrophysics · Physics 2016-11-10 Varsha R , S. R. Das , A. Tej , S. Vig , S. K. Ghosh , D. K. Ojha

IC 4406 is a large (about 100'' x 30'') southern bipolar planetary nebula, composed of two elongated lobes extending from a bright central region, where there is evidence for the presence of a large torus of gas and dust. We show new…

Astrophysics · Physics 2009-11-13 L. Cerrigone , J. L. Hora , G. Umana , C. Trigilio

We present a multiwavelength study of the extended green object, G12.42+0.50 in this paper. The associated ionized, dust, and molecular components of this source are studied in detail employing various observations at near-, mid- and…

Astrophysics of Galaxies · Physics 2019-02-27 Namitha Issac , Anandmayee Tej , Tie Liu , Watson Varricatt , Sarita Vig , Ishwara Chandra C. H. , Mathias Schultheis

Based on the molecular emission in the $^{12}$CO(2-1) and $^{13}$CO(2-1) lines, and the continuum emission in the MIR and FIR towards the S21 IR dust bubble, we analyze the physical characteristics of the gas and dust linked to the nebula…

Astrophysics of Galaxies · Physics 2016-11-09 C. E. Cappa , N. U. Duronea , J. Vasquez , M. Rubio , V. Firpo , C. -H. López-Caraballo , J. Borissova

The Galactic HII region G353.2+0.9 is excited by the massive open cluster Pismis-24. By analyzing (sub-)mm molecular-line and -continuum we study the detailed morphology of the gas and dust, as well as their physical parameters and their…

Astrophysics of Galaxies · Physics 2015-06-03 A. Giannetti , J. Brand , F. Massi , A. Tieftrunk , M. T. Beltran

We present the radio continuum, infrared, and CO molecular observations of infrared dark cloud (IRDC) G38.95-0.47 and its adjacent H II regions G38.91-0.44 (N74), G38.93-0.39 (N75), and G39.30-1.04. The Purple Mountain Observation (PMO)…

Astrophysics of Galaxies · Physics 2015-06-17 Jin-Long Xu , Jun-Jie Wang , Xiao-Lan Liu

We have conducted a high signal-to-noise spectroscopic survey of 670 nearby early-type stars, to map Diffuse Interstellar Band (DIB) absorption in and around the Local Bubble. The project started with a Southern hemisphere survey conducted…

This work explored the spatial distribution of C$^{17}$O, SiO, HC$_{3}$N and SO$_{2}$ molecules, as well as the energetics of outflows in G358.46$-$0.39 proto-cluster using ALMA band 7 archival data, with the aim of providing an improved…

Astrophysics of Galaxies · Physics 2025-11-20 Chukwuebuka J. Ugwua , James O. Chibuezea , Willice Obonyoa , Mavis Seidu

Aiming to perform a study of the warm dust and gas in the luminous blue variable star G79.29+0.46 and its associated nebula, we present infrared Spitzer imaging and spectroscopy, and new CO J=2-->1 and 4-->3 maps obtained with the IRAM 30m…

Solar and Stellar Astrophysics · Physics 2015-03-13 F. M. Jiménez-Esteban , J. R. Rizzo , Aina Palau

We report molecular line and dust continuum observations toward the high-mass star forming region G331.5-0.1, one of the most luminous regions of massive star-formation in the Milky Way, located at the tangent region of the Norma spiral…

Astrophysics of Galaxies · Physics 2015-06-16 Manuel Merello , Leonardo Bronfman , Guido Garay , Lars-Ake Nyman , Neal J. Evans , C. Malcolm Walmsley

Infrared dark clouds (IRDCs) are dense, molecular structures in the interstellar medium that can harbour sites of high-mass star formation. IRDCs contain supersonic turbulence, which is expected to generate shocks that locally heat pockets…

Astrophysics of Galaxies · Physics 2015-05-08 A. Pon , P. Caselli , D. Johnstone , M. Kaufman , M. J. Butler , F. Fontani , I. Jiménez-Serra , J. C. Tan

Aims. We report a study of the global properties of some embedded clusters placed in the fourth quadrant of the Milky Way to clarify some issues related with their location into the Galaxy and their stellar formation processes. Methods. We…

Solar and Stellar Astrophysics · Physics 2016-03-23 M. A. Corti , G. L. Baume , J. A. Panei , L. A. Suad , J. C. Testori , J. Borissova , R. Kurtev , A. N. Chené , S. Ramirez Alegría

We present single-dish (sub)millimeter observations of gas and dust in the Galactic high-mass star-forming region G19.61-0.23, with the aim of studying the large-scale properties and physical conditions of the molecular gas across the…

We report on CO and HI studies of the mixed-morphology supernova remnant (SNR) G346.6$-$0.2. We find a wind-blown bubble along the radio continuum shell with an expansion velocity of $\sim10$ km s$^{-1}$, which was likely formed by strong…

High Energy Astrophysical Phenomena · Physics 2021-12-15 H. Sano , H. Suzuki , K. K. Nobukawa , M. D. Filipović , Y. Fukui , T. J. Moriya

We investigate the linear polarization produced by interstellar dust aligned by the magnetic field in the solar neighborhood (d< 50 pc). We also look for intrinsic effects from circumstellar processes, specifically in terms of polarization…

Astrophysics of Galaxies · Physics 2020-03-11 V. Piirola , A. Berdyugin , P. C. Frisch , M. Kagitani , T. Sakanoi , S. Berdyugina , A. A. Cole , C. Harlingten , K. Hill

We present thermal-IR images of three extreme bipolar objects, M2-9, Mz3, and He2-104. They are bipolar planetary nebulae with bright central stars and are thought to be powered by symbiotic binary systems. The mid-IR images spatially…

Astrophysics · Physics 2009-11-10 Nathan Smith , Robert D. Gehrz

We have imaged the extremely high-velocity outflowing gas in CO (2-1) and (3-2) associated with the shell-like ultracompact HII region G5.89-0.39 at a resolution of ~3" (corresponding to ~4000 AU) with the Submillimeter Array. The…

Solar and Stellar Astrophysics · Physics 2015-06-03 Yu-Nung Su , Sheng-Yuan Liu , Huei-Ru Chen , Ya-Wen Tang

(abridged) Here we present HI line and 20-cm radio continuum data of the nearby galaxy pair NGC1512/1510 as obtained with the Australia Telescope Compact Array. These are complemented by GALEX UV-, SINGG Halpha- and Spitzer mid-infrared…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Baerbel S. Koribalski , Angel R. Lopez-Sanchez

Observations of the nebula associated with the WO star in the galaxy IC 1613 are presented. The observations were carried out with a scanning Interferometer Fabry-Perot in H_alpha at the 6m Special Astrophysical Observatory telescope;…

Astrophysics · Physics 2009-10-31 V. L. Afanasiev , T. A. Lozinskaya , A. V. Moiseev , E. Blanton
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