English
Related papers

Related papers: Dynamical Masses in Luminous Infrared Galaxies

200 papers

We combine a large, homogeneous sample of $\sim$3000 local mergers with the Imperial IRAS Faint Source Redshift Catalogue (IIFSCz), to perform a blind far-infrared (FIR) study of the local merger population. The IRAS-detected mergers are…

Using HST/WFPC2 imaging in F606W (or F450W) and F814W filters, we obtained the color maps in observed frame for 36 distant (0.4<z<1.2) luminous infrared galaxies (LIRGs), with average star formation rates of ~100 M_sun/yr. Stars and compact…

Astrophysics · Physics 2009-11-10 X. Z. Zheng , F. Hammer , H. Flores , F. Assemat , D. Pelat

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…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-24 J. Piqueras López , L. Colina , S. Arribas , A. Alonso-Herrero , A. G. Bedregal

We use a sample of 9397 low z galaxies with a close companion to investigate the connection between mergers and luminous infra-red (IR) galaxies (LIRGs). The pairs are selected from the SDSS and have projected separations rp < 80 kpc,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Sara L. Ellison , J. Trevor Mendel , Jillian M. Scudder , David R. Patton , Michael J. D. Palmer

We study the environmental dependence of local luminous infrared galaxies (LIRGs) and ultraluminous infrared galaxies (ULIRGs) found in the Sloan Digital Sky Survey (SDSS) data. The LIRG and ULIRG samples are constructed by…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Ho Seong Hwang , David Elbaz , Jong Chul Lee , Woong-Seob Jeong , Changbom Park , Myung Gyoon Lee , Hyung Mok Lee

Luminous Infrared (IR) Galaxies (LIRGs) are an important cosmological class of galaxies as they are the main contributors to the co-moving star formation rate density of the universe at z=1. In this paper we present a GTO Spitzer IRS…

The extreme infrared (IR) luminosity of local luminous and ultra-luminous IR galaxies (U/LIRGs; 11 < log LIR /Lsun < 12 and log LIR /Lsun > 12, respectively) is mainly powered by star-formation processes triggered by mergers or…

Ever since their discovery in the 1970's, UltraLuminous InfraRed Galaxies (ULIRGs; classically Lir>10^12Lsun) have fascinated astronomers with their immense luminosities, and frustrated them due to their singularly opaque nature, almost in…

Astrophysics · Physics 2015-06-24 Carol Lonsdale , Duncan Farrah , Harding Smith

The Spitzer Space Telescope has identified a population of ultra-luminous infrared galaxies (ULIRGs) at z ~ 2 that may play an important role in the evolution of massive galaxies. We measure the stellar masses of two populations of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 R. S. Bussmann , Arjun Dey , L. Armus , M. J. I. Brown , V. Desai , A. H. Gonzalez , B. T. Jannuzi , J. Melbourne , B. T. Soifer

We report mid-infrared observations of several luminous infrared galaxies (LIGs) carried out with the Infrared Space Observatory. Our sample was chosen to represent different phases of a merger sequence of galaxy-galaxy interaction with…

Astrophysics · Physics 2015-06-24 Chorng-Yuan Hwang , K. Y. Lo , Yu Gao , Robert A. Gruendl , Nanyao Y. Lu

We present results from the Spitzer/IRS spectral mapping observations of 15 local luminous infrared galaxies (LIRGs). In this paper we investigate the spatial variations of the mid-IR emission which includes: fine structure lines, molecular…

HST NICMOS observations of a sample of 24 luminous (LIGs: L_(IR) [8-1000 microns] = 10^(11.0-11.99) L_sun) and ultraluminous (ULIGs: L_(IR) > 10^(12.0) L_sun) infrared galaxies are presented. The observations provide, for the first time,…

Astrophysics · Physics 2007-05-23 A. S. Evans

We have observed three luminous infrared galaxy systems (LIRGS) which are pairs of interacting galaxies, with the Galaxy H$\alpha$ Fabry-Perot system (GH$\alpha$FaS) mounted on the 4.2m William Herschel Telescope at the Roque de los…

We measure Doppler shifts of interstellar absorption lines in HST/STIS spectra of individual star clusters in nearby UV-selected galaxies. Values for systemic velocities, which are needed to quantify outflow speeds, are taken from the…

Astrophysics · Physics 2008-11-26 C. M. Schwartz , C. L. Martin , R. Chandar , C. Leitherer , T. M. Heckman , M. S. Oey

We measured stellar velocity dispersions sigma and dynamical masses of 9 massive (M~10^11 Msun) early-type galaxies (ETG) from the GMASS sample at redshift 1.4<z<2.0. The sigma are based on individual spectra for two galaxies at z~1.4 and…

Spectroscopic observations from the Large Binocular Telescope and the Very Large Telescope reveal kinematically narrow lines (~50 km/s) for a sample of 14 Extreme Emission Line Galaxies (EELGs) at redshifts 1.4 < z < 2.3. These measurements…

(Ultra) Luminous Infrared Galaxies ((U)LIRGs) are objects characterized by their extreme infrared (8-1000 $\mu$m) luminosities ($L_{LIRG}>10^{11} $L$_\odot$ and $L_{ULIRG}>10^{12}$ L$_\odot$). The Herschel Comprehensive ULIRG Emission…

We recently identified a substantial population of galaxies at z>2 with red rest-frame optical colors. These distant red galaxies (DRGs) are efficiently selected by the simple observed color criterion J-K>2.3. In this paper we present NIR…

We report the first results from a spectroscopic survey of the [CII] 158um line from a sample of intermediate redshift (0.2<z<0.8) (ultra)-luminous infrared galaxies, (U)LIRGs (LIR>10^11.5 Lsun), using the SPIRE-Fourier Transform…

Luminous and ultraluminous infrared galaxies (LIRGs and ULIRGs) dominate the star formation rate budget of the universe at z > 1, yet no local measurements of their heavy element abundances exist. We measure nuclear or near-nuclear oxygen…

Astrophysics · Physics 2009-11-13 David S. N. Rupke , Sylvain Veilleux , Andrew J. Baker