830 citations · 6k across the 84 of their papers we have counts for
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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…
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…
Radio and Mid-Infrared Properties of Compact Starbursts: Distancing Themselves from the Main Sequence
E. J. Murphy, S. Stierwalt, L. Armus +2
We investigate the relationship between 8.44\,GHz brightness temperatures and 1.4 to 8.44\,GHz radio spectral indices with 6.2\,m polycyclic aromatic hydrocarbon (PAH) emission…
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…
A Joint Model of the X-ray And Infrared Extragalactic Backgrounds: I. Model Construction And First Results
Yong Shi, George Helou, Lee Armus +2
We present an extragalactic population model of the cosmic background light to interpret the rich high-quality survey data in the X-ray and IR bands. The model incorporates star-fo…
Pre-existing dwarfs, tidal knots and a tidal dwarf galaxy: an unbiased HI study of the gas-rich interacting galaxy group NGC 3166/9
Karen Lee-Waddell, Kristine Spekkens, Martha P. Haynes +4
We present Arecibo Legacy Fast ALFA (ALFALFA) and follow-up Giant Metrewave Radio Telescope (GMRT) HI observations of the gas-rich interacting group NGC 3166/9. The sensitive ALFAL…
Gas, Stars and Star Formation in ALFALFA Dwarf Galaxies
S. Huang, M. P. Haynes, R. Giovanelli +3
We examine the global properties of the stellar and HI components of 229 low HI mass dwarf galaxies extracted from the ALFALFA survey, including a complete sample of 176 galaxies w…
Spitzer IRS Spectral Mapping of the Toomre Sequence: Spatial Variations of PAH, Gas, and Dust Properties in Nearby Major Mergers
S. Haan, L. Armus, S. Laine +13
We have mapped the key mid-IR diagnostics in eight major merger systems of the Toomre Sequence (NGC4676, NGC7592, NGC6621, NGC2623, NGC6240, NGC520, NGC3921, and NGC7252) using the…
The Arecibo Legacy Fast ALFA Survey: The alpha.40 HI Source Catalog, its Characteristics and their Impact on the Derivation of the HI Mass Function
Martha P. Haynes, Riccardo Giovanelli, Ann M. Martin +21
We present a current catalog of 21 cm HI line sources extracted from the Arecibo Legacy Fast Arecibo L-band Feed Array (ALFALFA) survey over ~2800 square degrees of sky: the alpha.…
The Spatial Extent of (U)LIRGs in the Mid-Infrared. II. Feature Emission
Tanio Diaz-Santos, Vassilis Charmandaris, Lee Armus +11
We present results from the second part of our analysis of the extended mid-infrared (MIR) emission of the Great Observatories All-Sky LIRG Survey (GOALS) sample based on 5-14 micr…
The mid-IR Luminosity Function at z<0.3 from 5MUSES: Understanding the Star-formation/AGN Balance from a Spectroscopic View
Yanling Wu, Yong Shi, George Helou +6
We present rest-frame 15 and 24 um luminosity functions and the corresponding star-forming luminosity functions at z<0.3 derived from the 5MUSES sample. Spectroscopic redshifts hav…
Extended Schmidt Law: Role Of Existing Stars In Current Star Formation
Yong Shi, George Helou, Lin Yan +4
We propose an "extended Schmidt law" with explicit dependence of the star formation efficiency (SFE=SFR/Mgas) on the stellar mass surface density. This relation has a power-law ind…
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…
Infrared Luminosities and Aromatic Features in the 24um Flux Limited Sample of 5MUSES
Yanling Wu, George Helou, Lee Armus +12
We study a 24\,m selected sample of 330 galaxies observed with the Infrared Spectrograph for the 5\,mJy Unbiased Spitzer Extragalactic Survey. We estimate accurate total infrare…
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…
The Arecibo Legacy Fast ALFA Survey: X. The HI Mass Function and Omega_HI From the 40% ALFALFA Survey
Ann M. Martin, Emmanouil Papastergis, Riccardo Giovanelli +3
The Arecibo Legacy Fast ALFA (ALFALFA) survey has completed source extraction for 40% of its total sky area, resulting in the largest sample of HI-selected galaxies to date. We mea…
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…
The Arecibo Legacy Fast ALFA Survey: VIII. HI Source Catalog of the Anti-Virgo Region at dec = +25 deg
Ann Martin, Riccardo Giovanelli, Martha P. Haynes +4
We present a fourth catalog of HI sources from the Arecibo Legacy Fast ALFA (ALFALFA) Survey. We report 541 detections over 136 deg2, within the region of the sky having 22h < R.A.…
The Arecibo Legacy Fast ALFA Survey: IX. The Leo Region HI Catalog, Group Membership and the HI Mass Function for the Leo I Group
S. Stierwalt, M. P. Haynes, R. Giovanelli +5
We present the catalog of HI sources extracted from the ongoing Arecibo Legacy Fast ALFA (ALFALFA) extragalactic HI line survey, found within the sky region bounded by 9h36m < RA <…
The HI content of early-type galaxies from the ALFALFA survey. II. The case of low density environments
M. Grossi, S. di Serego Alighieri, C. Giovanardi +7
We present the analysis of the HI content of a sample of early-type galaxies (ETGs) in low-density environments (LDEs) using the data set provided by the Arecibo Legacy Fast ALFA (…