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Stacking the Cosmic Web in Fluorescent Lyman alpha Emission with MUSE
Sofia G. Gallego, Sebastiano Cantalupo, Simon Lilly +12
Cosmological simulations suggest that most of the matter in the Universe is distributed along filaments connecting galaxies. Illuminated by the cosmic UV background (UVB), these st…
Discovery of a Very Large Structure at Z=3.78
Kyoung-Soo Lee, Arjun Dey, Sungryong Hong +5
We report the discovery of a large-scale structure containing multiple protoclusters at z=3.78 in the Boötes field. The spectroscopic discovery of five galaxies at z=3.783+/-0.002…
Mid-Infrared Atomic Fine-Structure Emission Line Spectra of Luminous Infrared Galaxies: Spitzer/IRS Spectra of the GOALS Sample
H. Inami, L. Armus, V. Charmandaris +18
We present the data and our analysis of MIR fine-structure emission lines detected in Spitzer/IRS high-res spectra of 202 local LIRGs observed as part of the GOALS project. We dete…
Explaining the [CII]158um Deficit in Luminous Infrared Galaxies - First Results from a Herschel/PACS Study of the GOALS Sample
T. Diaz-Santos, L. Armus, V. Charmandaris +26
We present the first results of a survey of the [CII]158um emission line in 241 luminous infrared galaxies (LIRGs) comprising the Great Observatories All-sky Survey (GOALS) sample,…
The Build-Up of Nuclear Stellar Cusps in Extreme Starburst Galaxies and Major Mergers
S. Haan, L. Armus, J. A. Surace +15
Nuclear stellar cusps are defined as central excess light component in the stellar light profiles of galaxies and are suggested to be stellar relics of intense compact starbursts i…
Mid-Infrared Properties of Nearby Luminous Infrared Galaxies I: Spitzer IRS Spectra for the GOALS Sample
S. Stierwalt, L. Armus, J. A. Surace +30
The Great Observatories All-Sky LIRG Survey (GOALS) is a multiwavelength study of luminous infrared galaxies (LIRGs) in the local universe. Here we present low resolution Spitzer s…
The 3.3 micron PAH Emission as a Star Formation Rate Indicator
Ji Hoon Kim, Myungshin Im, Hyung Mok Lee +13
Polycyclic Aromatic Hydrocarbon (PAH) emission features dominate the mid-infrared spectra of star-forming galaxies and can be useful to calibrate star formation rates and diagnose…
Spectral Energy Distributions of Local Luminous And Ultraluminous Infrared Galaxies
Vivian U, David B. Sanders, Joseph M. Mazzarella +19
Luminous and ultraluminous infrared galaxies ((U)LIRGs) are the most extreme star forming galaxies in the universe. The local (U)LIRGs provide a unique opportunity to study their m…
A new HST/Herschel deep field at the North Ecliptic Pole: preparing the way for JWST, SPICA and Euclid
Stephen Serjeant, Veronique Buat, Denis Burgarella +22
We propose a co-ordinated multi-observatory survey at the North Ecliptic Pole. This field is the natural extragalactic deep field location for most space observatories (e.g. contai…
Infrared Luminosity Functions of AKARI-SDSS Galaxies
Tomotsugu Goto, Stephane Arnouts, Matthew Malkan +16
By cross-correlating AKARI infrared (IR) sources with the SDSS galaxies, we identified 2357 infrared galaxies with a spectroscopic redshift. This is not just one of the largest sam…
The Nuclear Structure in Nearby Luminous Infrared Galaxies: HST NICMOS Imaging of the GOALS Sample
S. Haan, J. A. Surace, L. Armus +16
We present results of Hubble Space Telescope NICMOS H-band imaging of 73 of most luminous (i.e., log[L_IR/L_0]>11.4) Infrared Galaxies (LIRGs) in the Great Observatories All-sky LI…
Modeling IR Spectral Energy Distributions: A Pilot Study of Starburst Parameters and Silicate Absorption Curves for Some GOALS Galaxies
Michael A. Dopita, Lee Armus, Lisa J. Kewley +13
This paper describes a pilot study into the spectral energy distribution (SED) fitting and the derivation of physical parameters for 19 galaxies observed as part of the Great Obser…
The Spatial Extent of (U)LIRGs in the mid-Infrared I: The Continuum Emission
T. Diaz-Santos, V. Charmandaris, L. Armus +14
We present an analysis of the extended mid-infrared (MIR) emission of the Great Observatories All-Sky LIRG Survey (GOALS) sample based on 5-15um low resolution spectra obtained wit…
Luminosity Functions of Local Infrared Galaxies with AKARI: Implications to the Cosmic Star Formation History and AGN Evolution
Tomotsugu Goto, Stephane Arnouts, Hanae Inami +15
Infrared (IR) luminosity is fundamental to understanding the cosmic star formation history and AGN evolution. The AKARI IR space telescope performed all sky survey in 6 IR bands (9…
A Census of the High-Density Molecular Gas in M82
B. J. Naylor, C. M. Bradford, J. E. Aguirre +9
We present a three-pointing study of the molecular gas in the starburst nucleus of M82 based on 190 - 307 GHz spectra obtained with Z-Spec at the Caltech Submillimeter Observatory.…
The Buried Starburst in the Interacting Galaxy II Zw 096 as Revealed by the Spitzer Space Telescope
Hanae Inami, L. Armus, J. A. Surace +31
An analysis of data from the Spitzer Space Telescope, Hubble Space Telescope, Chandra X-ray Observatory, and AKARI Infrared Astronomy Satellite is presented for the z=0.036 merging…
Evolution of Infrared Luminosity functions of Galaxies in the AKARI NEP-Deep field: Revealing the cosmic star formation history hidden by dust
Tomotsugu Goto, T. Takagi, H. Matsuhara +19
Dust-obscured star-formation becomes much more important with increasing intensity, and increasing redshift. We aim to reveal cosmic star-formation history obscured by dust using d…
Environmental dependence of 8um luminosity functions of galaxies at z~0.8: Comparison between RXJ1716.4+6708 and the AKARI NEP deep field
Tomotsugu Goto, Yusei Koyama, T. Wada +20
We aim to reveal environmental dependence of infrared luminosity functions (IR LFs) of galaxies at z~0.8 using the AKARI satellite. We construct restframe 8um IR LFs in the cluster…
GOALS: The Great Observatories All-Sky LIRG Survey
L. Armus, J. M. Mazzarella, A. S. Evans +31
The Great Observatories All-sky LIRG Survey (GOALS) combines data from NASA's Spitzer, Chandra, Hubble and GALEX observatories, together with ground-based data into a comprehensive…