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We present molecular line observations of the massive star forming region IRAS 17233-3606 aimed at studying the molecular core associated with the source. The observations were made using the Atacama Pathfinder Experiment telescope in the…

天体物理学 · 物理学 2009-11-13 S. Leurini , C. Hieret , S. Thorwirth , F. Wyrowski , P. Schilke , K. M. Menten , R. Guesten , L. Zapata

We report the discovery with the Atacama Pathfinder EXperiment (APEX) of an outflow of molecular gas in the radio-loud Seyfert galaxy IC5063 (z = 0.0110). In addition to the emission of the large-scale CO disk, a prominent blueshifted wing…

宇宙学与河外天体物理 · 物理学 2015-06-15 Raffaella Morganti , Wilfred Frieswijk , Raymond J. B. Oonk , Tom Oosterloo , Clive Tadhunter

We present high-spatial resolution Plateau de Bure Interferometer CO(2-1) and SiO(2-1) observations of one intermediate-mass and one high-mass star-forming region. The intermediate-mass region IRAS20293+3952 exhibits four molecular…

天体物理学 · 物理学 2009-11-10 H. Beuther , P. Schilke , F. Gueth

We present high angular resolution observations toward two massive star forming regions IRAS 18264-1152 and IRAS 23151+5912 with the Plateau de Bure Interferometer (PdBI) in the SiO (J=2-1) and H$^{13}$CO$^{+}$ (J=1-0) lines and at 1.3 mm…

天体物理学 · 物理学 2008-11-26 Keping Qiu , Qizhou Zhang , Henrik Beuther , Ji Yang

We use high-resolution (0.5 arcsec) CO(2-1) observations performed with ALMA to trace the kinematics of the molecular gas in the Seyfert 2 galaxy IC5063. A fast outflow of molecular gas extends along the entire radio jet, with the highest…

星系天体物理 · 物理学 2015-07-22 Raffaella Morganti , Tom Oosterloo , J. B. R. Oonk , Wilfred Frieswijk , Clive Tadhunter

We report the discovery made using the Australia Telescope Compact Array of a remarkable string of radio emission towards IRAS 16562-3959, a luminous infrared source with a bolometric luminosity of $7.0\times10^4$ \Lsun. The radio emission…

太阳与恒星天体物理 · 物理学 2010-11-23 Andrés Ernesto Guzman , Guido Garay , Kate Jane Brooks

We present a detailed study of the molecular gas in the fast AGN-driven outflow in the nearby radio-loud Seyfert galaxy IC 5063. Using ALMA observations of a number of tracers (12CO(1-0), 12CO(2-1), 12CO(3-2), 13CO(2-1) and HCO+(4-3)), we…

The protostar IRAS 15398-3359 is associated with a bipolar molecular outflow ejected in an nearly northeast-southwest (NE-SW) direction which has been extensively studied. It has been suggested previous episodic accretion events by this…

太阳与恒星天体物理 · 物理学 2024-06-12 E. Guzmán Ccolque , M. Fernández López , M. M. Vazzano , I. de Gregorio , A. Plunkett , A. Santamaría-Miranda

We have observed 99 mid-infrared-bright, massive young stellar objects and compact HII regions drawn from the Red MSX source (RMS) survey in the J=3$-$2 transition of $^{12}$CO and $^{13}$CO, using the James Clerk Maxwell Telescope. 89…

太阳与恒星天体物理 · 物理学 2015-09-02 L. T. Maud , T. J. T. Moore , S. L. Lumsden , J. C. Mottram , J. S. Urquhart , M. G. Hoare

Molecular outflows from high-mass young stellar objects provide an excellent way to study the star formation process, and investigate if they are scaled-up versions of their low-mass counterparts. We selected the nearby massive star forming…

太阳与恒星天体物理 · 物理学 2015-05-14 S. Leurini , C. Codella , L. A. Zapata , A. Belloche , T. Stanke , F. Wyrowski , P. Schilke , K. M. Menten , R. Guesten

The nearby system 4C12.50, also known as IRAS 13451+1217 and PKS 1345+12, is a merger of gas-rich galaxies with infrared and radio activity. It has a perturbed interstellar medium (ISM) and a dense configuration of gas and dust around the…

星系天体物理 · 物理学 2019-09-04 C. M. Fotopoulou , K. M. Dasyra , F. Combes , P. Salomé , M. Papachristou

(abridged) We study a previously discovered protostellar source that is deeply embedded and drives an energetic molecular outflow. The source, UYSO1, is located close to IRAS 07029-1215 at a distance of ~1 kpc. The multi-wavelength…

We have mapped the proto-binary source IRAS 16293-2422 in CO 2-1, 13CO 2-1, and CO 3-2 with the Submillimeter Array (SMA). The maps with resolution of 1".5-5" reveal a single small scale (~3000 AU) bipolar molecular outflow along the…

We present Atacama Pathfinder EXperiment (APEX) observations toward the massive star-forming region G240.31+0.07 in the CO J = 3--2, 6--5, and 7--6 lines. We detect a parsec-sized, bipolar, and high velocity outflow in all the lines, which…

星系天体物理 · 物理学 2018-07-04 Junhao Liu , Keping Qiu , Friedrich Wyrowski , Karl Menten , Rolf Guesten , Yue Cao , Yuwei Wang

We report the detection of outflowing molecular gas in the center of the nearby (z=0.014) massive radio galaxy NGC6328. The radio core of the galaxy, PKS B1718-649, is identified as a Gigahertz Peaked Spectrum source with a compact (2 pc)…

We present molecular line observations of the high-mass molecular clump IRAS 16562$-$3959 taken at 3 mm using the Atacama Large Millimeter/submillimeter Array (ALMA) at 1.$\!\!^{\prime\prime}$7 angular resolution ($0.014$ pc spatial…

We present Caltech Submillimeter Observatory CO (2-1) and Spitzer IRAC observations toward IRAS 22506+5944, which is a 10$^4$ $L_{\odot}$ massive star-forming region. The CO (2-1) maps show an east-west bipolar molecular outflow originating…

星系天体物理 · 物理学 2018-03-09 Zeqiang Xie , Keping Qiu

We have analyzed the Atacama Large Millimeter/submillimeter Array (ALMA) cycle 2 data of band 6 toward the G345.4938+01.4677 massive young protostellar object (G345.5+1.47 MYSO) in the IRAS 16562--3959 high-mass star-forming region with an…

太阳与恒星天体物理 · 物理学 2020-07-29 Kotomi Taniguchi , Andrés E. Guzmán , Liton Majumdar , Masao Saito , Kazuki Tokuda

We report the detection of outflowing molecular gas at the center of the nearby radio galaxy NGC6328 (z=0.014), which has a gigahertz-peaked spectrum radio core and a compact (2 pc) young double radio lobe tracing jet. Utilizing Atacama…

Massive molecular outflows erupting from high-mass young stellar objects provide important clues to understanding the mechanism of high-mass star formation. Based on new CO J=3-2 and J=1-0 observations using the Atacama Submillimeter…

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