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Using Spitzer/IRAC observations of a region to be observed by the CoRoT satellite, we have unraveled a new complex star-forming region at low metallicity in the outer Galaxy. We perform a study of S284 in order to outline the chain of…

Astrophysics of Galaxies · Physics 2015-05-13 E. Puga , S. Hony , C. Neiner , A. Lenorzer , A. -M. Hubert , L. B. F. M. Waters , F. Cusano , V. Ripepi

Using the integral field unit (IFU) data from Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, we collect a sample of 36 star forming galaxies that host galactic-scale outflows in ionized gas phase. The control sample is…

Astrophysics of Galaxies · Physics 2021-05-12 Min Bao , Yanmei Chen , Qirong Yuan , Yong Shi , Dmitry Bizyaev , Xiaoling Yu , Shuai Feng , Xiao Cao , Yulong Gao , Qiusheng Gu , Ying Yu

Aims: We have carried out an infrared study of the southern Galactic massive star forming region associated with IRAS 14416-5937. Methods: This star forming region has been mapped simultaneously in two far infrared bands at ~ 150 & 210…

Astrophysics · Physics 2009-11-11 S. Vig , S. K. Ghosh , D. K. Ojha , R. P. Verma

The enigmatic outflows of the Orion-KL region have raised discussions about their potential driving sources for several decades. Here, we present C18O(2-1) observations combined from the Submillimeter Array and the IRAM30m telescope. The…

Astrophysics · Physics 2009-11-13 H. Beuther , H. D. Nissen

Using the ASTE 10 m submillimeter telescope and the 1.4 m Infrared Survey Facility (IRSF), we performed an extensive outflow survey in the Orion Molecular Cloud -2 and -3 region. Our survey, which includes 41 potential star-forming sites,…

We present bispectrum speckle interferometry of the massive protostellar object IRAS 23151+5912 in the near-infrared K' band. The reconstructed image shows the diffuse nebulosity north-east of two point-like sources in unprecedented detail.…

To study the role of the feedback from the Active Galactic Nuclei (AGNs) in the evolution of its host galaxy, we need observational constraints on 100 pc scales. We used the Gemini Near Infrared Integral Field Spectrograph in the J and K…

Astrophysics of Galaxies · Physics 2025-02-14 Astor João Schönell Júnior , Rogemar A. Riffel , Rogério Riffel , Thaisa Storchi-bergmann

We report the observation of an outflow perpendicular to the radio jet in near-infrared integral field spectra of the inner 250 pc of the Seyfert 2 galaxy NGC 5929. The observations were obtained with the Gemini Near infrared Integral Field…

Astrophysics of Galaxies · Physics 2015-06-18 Rogemar A. Riffel , Thaisa Storchi-Bergmann , Rogerio Riffel

OMC-2 FIR 4 is one of the closest known young intermediate-mass protoclusters, located at a distance of 420 pc in Orion. This region is one of the few where the complete 500-2000 GHz spectrum has been observed with the heterodyne…

Context. With the latest infrared surveys, the number of massive protostellar candidates has increased significantly. New studies have posed additional questions on important issues about the formation, evolution, and other phenomena…

Astrophysics of Galaxies · Physics 2015-05-19 P. Benaglia , M. Ribo , J. A. Combi , G. E. Romero , S. Chaty , B. Koribalski , I. F. Mirabel , L. F. Rodriguez , G. Bosch

We report the discovery of nearly a dozen collimated outflows from young stellar objects embedded in the molecular filament that extends north of the Orion Nebula towards the H II region NGC 1977. The large number of nearly co-eval outflows…

Astrophysics · Physics 2009-10-30 Ka Chun Yu , John Bally , David Devine

We present ALMA follow-up observations of two massive, early-stage core candidates, C1-N & C1-S, in Infrared Dark Cloud (IRDC) G028.37+00.07, which were previously identified by their N2D+(3-2) emission and show high levels of deuteration…

Astrophysics of Galaxies · Physics 2016-04-20 Jonathan C. Tan , Shuo Kong , Yichen Zhang , Francesco Fontani , Paola Caselli , Michael J. Butler

We carried out multiwavelength (0.7-5 cm), multiepoch (1994-2015) Very Large Array (VLA) observations toward the region enclosing the bright far-IR sources FIR 3 (HOPS 370) and FIR 4 (HOPS 108) in OMC-2. We report the detection of 10 radio…

The isolated globule B335 contains a single, low luminosity Class 0 protostar associated with a bipolar nebula and outflow system seen nearly perpendicular to its axis. We observed the innermost regions of this outflow as part of…

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…

We present a search for and characterization of ionized outflows in 15 star-forming systems at $z\sim3-9$ with no evidence of Active Galactic Nuclei (AGN), observed with JWST/NIRSpec IFU as part of the GA-NIFS program. The targets often…

Archival Chandra observations are used to study the X-ray emission associated with star formation in the central region of the nearby SAB(s)cd galaxy NGC 2403. The distribution of X-ray emission is compared to the morphology visible at…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Mihoko Yukita , Douglas A. Swartz , Allyn F. Tennant , Roberto Soria

The Narrow Line Seyfert 1 Galaxy IRAS17020+4544 is one of the few AGN where a galaxy-scale energy-conserving outflow was revealed. This paper reports on NOEMA observations addressed to constrain the spatial scale of the CO emission in…

Cometary globule 12 is a relatively little investigated medium- and low mass star forming region 210 pc above the Galactic plane. NIR J, H, and Ks imaging and stellar photometry is used to analyse the stellar content and the structure of CG…

Astrophysics of Galaxies · Physics 2015-05-14 Lauri K. Haikala , Bo Reipurth

We observed the high-mass star-forming region G176.51+00.20 using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) with the 19-beam tracking observational mode. This is a pilot work of searching for neutral stellar winds…

Astrophysics of Galaxies · Physics 2022-09-07 Li Yingjie , Xu Ye , Xu Jin-Long , Liu Dejian , Li Jingjing , Lin Zehao , Jiang Peng , Bian Shuaibo , Hao Chaojie , Chen Xiuhui