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相关论文: NGC1614: A Laboratory for Starburst Evolution

200 篇论文

We report on multi-object spectroscopy of 37 candidate star clusters around the giant early-type radio galaxy NGC 1316 (Fornax A), the brightest galaxy in the Fornax cluster. For the star clusters in this sample, we measure a mean radial…

天体物理学 · 物理学 2009-10-31 Paul Goudfrooij , Jennifer Mack , Markus Kissler-Patig , Georges Meylan , Dante Minniti

The infrared spectra of starburst galaxies are dominated by the low-excitation lines of [NeII] and [SIII], and the stellar populations deduced from these spectra appear to lack stars larger than about 35 Msun. The only exceptions to this…

天体物理学 · 物理学 2009-06-23 Sara C. Beck , Jean L. Turner , Jenna Kloosterman

We present broad-band (U, V, I,and H) and narrow-band(H-alpha+[N II] and Paschen-alpha) images of the circumnuclear starburst rings in two nearby spiral galaxies, NGC 1512 and NGC 5248, obtained with WFPC2 and NICMOS on HST. Combined with…

天体物理学 · 物理学 2009-11-06 Dan Maoz , Aaron J. Barth , Luis C. Ho , Amiel Sternberg , Alexei V. Filippenko

Combined Spitzer, Chandra, XMM-Newton, and VLA observations of the giant radio galaxy NGC 1316 (Fornax A) show a radio jet and X-ray cavities from AGN outbursts likely triggered by a merger with a late-type galaxy at least 0.4 Gyr ago. We…

星系天体物理 · 物理学 2015-05-19 Lauranne Lanz , Christine Jones , William R. Forman , Matthew L. N. Ashby , Ralph Kraft , Ryan C. Hickox

We successfully detected a molecular outflow with a scale of 370-450 pc in the central region of the starburst galaxy NGC 3628 through deep CO(1-0) observations by using the Nobeyama Millimeter Array (NMA). The mass of the outflowing…

星系天体物理 · 物理学 2015-06-04 An-Li Tsai , Satoki Matsushita , Albert K. H. Kong , Hironori Matsumoto , Kotaro Kohno

An evolutionary model of star formation in ULIRGs was created using existing star formation and radiative transfer codes (STARBURST99, RADMC and RADICAL) as building blocks. The results of the simulations are compared to data from two IRAS…

天体物理学 · 物理学 2007-05-23 A. F. Loenen , W. A. Baan , M. Spaans

We have used the Submillimeter Array for the first interferometric CO imaging toward the starburst-Seyfert nucleus of the southern barred spiral galaxy NGC 1365, which is one of the four galaxies within 30 Mpc that have L_{8-1000micron} >=…

天体物理学 · 物理学 2008-11-26 Kazushi Sakamoto , Paul T. P. Ho , Rui-Qing Mao , Satoki Matsushita , Alison B. Peck

We have used the new extended A configuration of the IRAM Plateau de Bure interferometer to study the dense molecular gas in the nucleus of the nearby spiral galaxy NGC6946 at unprecedented spatial resolution in the HCN(1-0) and CO(2-1)…

天体物理学 · 物理学 2009-11-13 E. Schinnerer , T. Boeker , E. Emsellem , D. Downes

NGC6357 is an active star forming region with very young massive open clusters (OC). These clusters contain some of the most massive stars in the Galaxy and strongly interact with nearby giant molecular clouds (GMC). We study the young…

太阳与恒星天体物理 · 物理学 2014-12-24 Fabrizio Massi , Andrea Giannetti , Elisa di Carlo , Jan Brand , Maria Teresa Beltrán , Gianni Marconi

We report the detection of CO(2-1) and 3.1 mm and 1.3 mm continuum emission towards the extremely young starburst in NGC 5253, with data taken from the Owens Valley Millimeter Array. Faint CO emission originates in five molecular clouds…

天体物理学 · 物理学 2009-11-07 David S. Meier , Jean L. Turner , Sara C. Beck

The merger remnant NGC 34 is a local luminous infrared galaxy (LIRG) hosting a nuclear starburst and a hard X-ray source associated with a putative, obscured Seyfert~2 nucleus. In this work, we use adaptive optics assisted near infrared…

We report single-dish multi-transition measurements of the 12^CO, HCN, and HCO^+ molecular line emission as well as HNC J=1-0 and HNCO in the two ultraluminous infra-red galaxies Arp220 and NGC6240. Using this new molecular line inventory,…

天体物理学 · 物理学 2009-03-27 T. R. Greve , P. P. Papadopoulos , Y. Gao , S. J. E. Radford

We present multi-wavelength imagery of the merger remnant galaxy NGC 1316 with an objective to study the content of dust and its association with the other phases of the ISM. Color-index maps as well as extinction maps derived for this…

宇宙学与河外天体物理 · 物理学 2018-08-08 S. P. Deshmukh , B. T. Tate , N. D. Vagshette , S. K. Pandey , M. K. Patil

Using the Wide Field Planetary Camera 2 on board the Hubble Space Telescope, we have imaged a luminous young star cluster in the nearby spiral galaxy NGC 6946. The cluster has an absolute visual magnitude M(V)=-13.2, comparable to the…

天体物理学 · 物理学 2009-11-06 S. S. Larsen , J. P. Brodie , B. G. Elmegreen , Y. N. Efremov , P. W. Hodge , T. Richtler

We present a multi-wavelength study of embedded massive clusters in the nearby (3.9 Mpc) starburst galaxy NGC 4449 in an effort to uncover the earliest phases of massive cluster evolution. By combining high resolution imaging from the radio…

天体物理学 · 物理学 2009-11-13 Amy E. Reines , Kelsey E. Johnson , W. M. Goss

The circumnuclear starburst of M83 (NGC 5236), the nearest such example (4.6 Mpc), constitutes an ideal site for studying the massive star IMF at high metallicity (12+log[O/H]=9.1$\pm$0.2, Bresolin & Kennicutt 2002). We analyzed archival…

星系天体物理 · 物理学 2010-11-16 Aida Wofford , Rupali Chandar , Claus Leitherer

Observations for seven infrared luminous starburst galaxies are reported in the mid-infrared from 8 - 18 microns using the Keck Telescopes with spatial resolution approaching the diffraction limit. All of the galaxies observed show evidence…

High resolution OVRO aperture synthesis maps of the 12CO 1-0 emission in the `Medusa' galaxy merger (NGC4194) reveal the molecular emission being surprisingly extended. It is distributed on a total scale of 25$''$ (4.7 kpc) - despite the…

天体物理学 · 物理学 2007-05-23 S. Aalto , S. Huettemeister

The superimposed pair of spiral galaxies NGC 3314 offers a unique opportunity to trace the dust properties in a spiral galaxy. We analyze multicolor HST imaging, supported by ground-based near-IR imaging and fiber-array spectroscopy to…

天体物理学 · 物理学 2009-11-06 William C. Keel , Raymond E. White

NGC 1232 is a face-on spiral galaxy and a great laboratory for the study of star-formation due to its proximity. We obtained high spatial resolution H{\alpha} images of this galaxy, with adaptive optics, using the SAM instrument at the SOAR…