Results 71 to 80 of about 72,469 (244)

High-Resolution Mid-Infrared Imaging of Infrared-Luminous Starburst Galaxies [PDF]

open access: yesThe Astronomical Journal, 2001
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 of strong interactions based on optical morphologies.
Soifer, B. T.   +9 more
openaire   +3 more sources

The Interaction between AGN and Starburst Activity in the Circumnuclear Region of NGC 7469 as Viewed with JWST

open access: yesThe Astrophysical Journal Letters, 2023
We combine mid-infrared diagnostics obtained from integral-field-unit observations taken with Mid-Infrared Instrument/Medium Resolution Spectrograph on the James Webb Space Telescope with cold molecular gas information derived from Atacama Large ...
Lulu Zhang, Luis C. Ho
doaj   +1 more source

Optical Properties of 4248 IRAS Galaxies

open access: yes, 2005
We have investigated optical properties of 4248 infrared galaxies (IRGs) by positionally matching data from the IRAS and the SDSS DR3. Our sample includes 3 hyper luminous infrared galaxies (L >10^13Lsun) and 178 ultra luminous infrared galaxies (10 ...
Abazajian   +84 more
core   +1 more source

Probing Cool and Warm Infrared Galaxies using Photometric and Structural Measures [PDF]

open access: yes, 2006
We have analyzed a sample of nearby cool and warm infrared (IR) galaxies using photometric and structural parameters. The set of measures include far-infrared color ($C = \log_{10}[S_{60\mu m}/S_{100\mu m}]$), total IR luminosity ($L_{TIR}$), radio ...
Alton P. B.   +13 more
core   +2 more sources

CONSTRAINING GAMMA-RAY EMISSION FROM LUMINOUS INFRARED GALAXIES WITH FERMI-LAT; TENTATIVE DETECTION OF ARP 220 [PDF]

open access: yes, 2016
Star-forming galaxies produce gamma-rays primarily via pion production, resulting from inelastic collisions between cosmic-ray protons and the interstellar medium (ISM).
R. Griffin, X. Dai, T. Thompson
semanticscholar   +1 more source

The SPIRITS Sample of Luminous Infrared Transients: Uncovering Hidden Supernovae and Dusty Stellar Outbursts in Nearby Galaxies [PDF]

open access: yesAstrophysical Journal, 2019
We present a systematic study of the most luminous (MIR [Vega magnitudes] brighter than −14) infrared (IR) transients discovered by the SPitzer InfraRed Intensive Transients Survey (SPIRITS) between 2014 and 2018 in nearby galaxies (D < 35 Mpc).
J. Jencson   +25 more
semanticscholar   +1 more source

Silicates in Ultraluminous Infrared Galaxies

open access: yesThe Astrophysical Journal, 2008
We analyze the mid-infrared (MIR) spectra of ultraluminous infrared galaxies (ULIRGs) observed with the Spitzer Space Telescope's Infrared Spectrograph. Dust emission dominates the MIR spectra of ULIRGs, and the reprocessed radiation that emerges is independent of the underlying heating spectrum.
Sirocky, M. M.   +4 more
openaire   +4 more sources

Luminous infrared starbursts in a cluster of galaxies [PDF]

open access: yesProceedings of the International Astronomical Union, 2004
5 pages, 2 figures, proceedings of the IAU Colloquium 195, "Outskirts of Galaxy Clusters: intense life in the suburbs", A.
Duc, Pierre-Alain   +8 more
openaire   +2 more sources

A Catalog of Luminous Infrared Galaxies in the IRAS Survey and the Second Data Release of the SDSS

open access: yes, 2005
We select the Luminous Infrared Galaxies by cross-correlating the Faint Source Catalogue (FSC) and Point Source Catalogue (PSC) of the IRAS Survey with the Second Data Release of the SDSS for studying their infrared and optical properties.
Abazajian K   +33 more
core   +3 more sources

[Ultra] luminous infrared galaxies selected at 90 μm in the AKARI deep field: a study of AGN types contributing to their infrared emission [PDF]

open access: yes, 2016
Aims. The aim of this work is to characterize physical properties of ultra luminous infrared galaxies (ULIRGs) and luminous infrared galaxies (LIRGs) detected in the far-infrared (FIR) 90 μ m band in the AKARI Deep Field-South (ADF-S) survey.
K. Małek   +8 more
semanticscholar   +1 more source

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