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相关论文: Composite Spectra in Merging U/LIRGs Caused by Sho…

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Energetic nuclear outbursts have been discovered in luminous and ultraluminous infrared galaxies (U/LIRGs) at unexpectedly high rates. To investigate this population of transients, we performed a search in mid-IR data from the Wide-field…

星系天体物理 · 物理学 2022-10-12 T. M. Reynolds , S. Mattila , E. Kankare , A. Efstathiou , E. Kool , S. Ryder , L. Peña-Moñino , M. A. Pérez-Torres

We report the first results of a study of a sample of 20 galaxy mergers/interacting systems, using the VIMOS and PMAS integral field spectrographs. For each object, we extracted the integrated spectrum of the central regions and analyzed…

天体物理学 · 物理学 2009-11-10 S. F. Sanchez , T. Becker , B. Garcia-Lorenzo , C. R. Benn , L. Christensen , A. Kelz , K. Jahnke , M. M. Roth

We present a morphology study of intermediate-redshift (0.2<z<1.2) luminous infrared galaxies (LIRGs) and general field galaxies in the GOODS fields using a revised asymmetry measurement method optimized for deep fields. By taking careful…

宇宙学与河外天体物理 · 物理学 2014-11-18 Yong Shi , George Rieke , Jennifer Lotz , Pablo G. Perez-Gonzalez

We present ultra-deep mid-IR spectra of 48 infrared-luminous galaxies in the GOODS-South field obtained with the InfraRed Spectrograph (IRS) on the Spitzer Space Telescope. These galaxies are selected among faint infrared sources (0.14 -…

宇宙学与河外天体物理 · 物理学 2017-03-22 D. Fadda , L. Yan , G. Lagache , A. Sajina , D. Lutz , S. Wuyts , D. T. Frayer , D. Marcillac , E. Le Floc'h , K. Caputi , H. W. W. Spoon , S. Veilleux , A. Blain , G. Helou

Mergers in the local universe present a unique opportunity for studying the transformations of galaxies in detail. Presented here are recent results, based on multi-wavelength, high-resolution imaging and medium resolution spectroscopy,…

宇宙学与河外天体物理 · 物理学 2010-05-12 Barry Rothberg , Jacqueline Fischer

All galaxies without a radio-loud AGN follow a tight correlation between their global FIR and radio synchrotron luminosities, which is believed to be ultimately the result of the formation of massive stars. Two face-on colliding pairs of…

宇宙学与河外天体物理 · 物理学 2011-04-07 H. -J. Voelk , Ute Lisenfeld

We present an atlas of a sample of local (U)LIRGs covering the luminosity range log(L_IR/L_sun)=11.1-12.4. The atlas is based on near-infrared H and K-band VLT-SINFONI IFS, and presents the ionised, partially ionised, and warm molecular gas…

宇宙学与河外天体物理 · 物理学 2013-01-24 J. Piqueras López , L. Colina , S. Arribas , A. Alonso-Herrero , A. G. Bedregal

We present Very Large Array observations of the 33 GHz radio continuum emission from 22 local ultraluminous and luminous infrared (IR) galaxies (U/LIRGs). These observations have spatial (angular) resolutions of 30--720 pc (0.07"-0.67") in…

Heckman et al. (2005) used the Galaxy Evolution Explorer (GALEX) UV imaging survey to show that there exists a rare population of nearby compact UV-luminous galaxies (UVLGs) that closely resembles high redshift Lyman break galaxies (LBGs).…

Mid-infrared molecular hydrogen (H$_2$) emission is a powerful cooling agent in galaxy mergers and in radio galaxies; it is a potential key tracer of gas evolution and energy dissipation associated with mergers, star formation, and…

We present a CO(3-2) study of four systems composed of six (ultra) luminous infrared galaxies (U/LIRGs), located at 0.28 < z < 0.44, that straddle the transition region between regular star forming galaxies and starbursts. These galaxies…

We present intermediate-resolution optical spectrophotometry of 65 galaxies obtained in support of the Spitzer Infrared Nearby Galaxies Survey (SINGS). For each galaxy we obtain a nuclear, circumnuclear, and semi-integrated optical spectrum…

宇宙学与河外天体物理 · 物理学 2015-05-19 John Moustakas , Robert C. Kennicutt, , Christy A. Tremonti , Daniel A. Dale , John-David T. Smith , Daniela Calzetti

We present new near-infrared Keck and VLT spectroscopic data on the stellar dynamics in late stage, ultra-luminous infrared galaxy (ULIRG) mergers . We now have information on the structural and kinematic properties of 18 ULIRGs, 8 of which…

天体物理学 · 物理学 2008-11-26 L. J. Tacconi , R. Genzel , D. Lutz , D. Rigopoulou , A. J. Baker , C. Iserlohe , M. Tecza

This is the second paper in a series discussing the properties of ultraluminous infrared galaxies (ULIGs: L_ir > 10^{12} L_sun; Ho = 75 km s^{-1} Mpc^{-1} and qo = 0.0) from the 1-Jy sample of Kim (1995). This paper presents the first…

天体物理学 · 物理学 2009-10-30 D. -C. Kim , S. Veilleux , D. B. Sanders

The interstellar medium is a key ingredient that governs star formation in galaxies. We present a detailed study of the infrared (~ 1-500 micron) spectral energy distributions of a large sample of 193 nearby (z ~ 0.088) luminous infrared…

星系天体物理 · 物理学 2019-01-23 Jinyi Shangguan , Luis C. Ho , Ruancun Li , Ming-Yang Zhuang , Yanxia Xie , Zhihui Li

We present results from our VLT Large Program to study the dynamical evolution of Ultraluminous Infrared Galaxies (ULIRGs). We have so far obtained near-infrared high-resolution ISAAC spectra of 53 local ULIRGs at several merger timescales…

天体物理学 · 物理学 2007-05-23 K. M. Dasyra , L. J. Tacconi , R. I. Davies , R. Genzel , D. Lutz , T. Naab , A. Burkert

The present paper discusses the results from an analysis of the images presented in Paper I (astro-ph/0207373) supplemented with new spectroscopic data obtained at Keck. All but one object in the 1-Jy sample show signs of a strong tidal…

天体物理学 · 物理学 2008-11-26 S. Veilleux , D. -C. Kim , D. B. Sanders

We present near-infrared spectra for a sample of galaxies with ambiguous optical emission line ratios. These galaxies fall between starbursts and Seyferts in the usual optical diagnostic diagrams. We find a similar result with the…

天体物理学 · 物理学 2009-10-31 Tanya L. Hill , Charlene A. Heisler , Ralph Sutherland , Richard W. Hunstead

New optical HST, Spitzer, GALEX, and Chandra observations of the single-nucleus, luminous infrared galaxy (LIRG) merger IC 883 are presented. The galaxy is a member of the Great Observatories All-sky LIRG Survey (GOALS), and is of…