Results 61 to 70 of about 5,290 (158)

Molecular Hydrogen Excitation in Ultraluminous Infrared Galaxies [PDF]

open access: yesThe Astrophysical Journal, 2003
accepted by ApJ (32 pages including figures)
Lowell E. Tacconi-Garman   +3 more
openaire   +3 more sources

The Oxygen Abundances of Luminous and Ultraluminous Infrared Galaxies [PDF]

open access: yesThe Astrophysical Journal, 2008
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 abundances in a sample of 100 star-forming LIRGs and ULIRGs using new, previously published, and archival ...
David S. N. Rupke   +2 more
openaire   +3 more sources

Spitzer Quasar and ULIRG evolution study (QUEST): I. The origin of the far infrared continuum of QSOs [PDF]

open access: yes, 2006
This paper addresses the origin of the far-infrared (FIR) continuum of QSOs, based on the Quasar and ULIRG Evolution Study (QUEST) of nearby QSOs and ULIRGs using observations with the Spitzer Space Telescope. For 27 Palomar-Green QSOs at z
Baker, A. J.   +15 more
core   +3 more sources

Nature of Widely Separated Ultraluminous Infrared Galaxies

open access: yesThe Astrophysical Journal, 2001
In the complete sample of ultraluminous infrared galaxies (ULIRGs) compiled by Kim (1995) about 5% consists of widely separated galaxies which are presumably in the early phase of interaction. This fact is contrary to the conventional view that ULIRGs are in the final stages of the merger of two gas-rich disk galaxies.
Dinh-V-Trung   +4 more
openaire   +4 more sources

PASSAGES: The Wide-ranging, Extreme Intrinsic Properties of Planck-selected, Lensed Dusty Star-forming Galaxies

open access: yesThe Astrophysical Journal
The PASSAGES (Planck All-Sky Survey to Analyze Gravitationally-lensed Extreme Starbursts) collaboration has recently defined a sample of 30 gravitationally lensed dusty star-forming galaxies (DSFGs). These rare, submillimeter-selected objects enable high-
Patrick S. Kamieneski   +13 more
doaj   +1 more source

ASTRO-F - The next generation of mid-infrared surveys

open access: yes, 2001
We present basic observational strategies for ASTRO-F (also known as the Imaging Infra Red Surveyor (IRIS)) to be launched in 2004 by the Japanese Institute of Space and Astronautical Science (ISAS). We examine 2 survey scenarios, a deep ~1sq.deg. survey
Acosta-Pulido   +78 more
core   +1 more source

Characterizing the Molecular Gas in Infrared Bright Galaxies with CARMA

open access: yesThe Astrophysical Journal
We present the CO(1–0) maps of 28 infrared-bright galaxies from the Great Observatories All-Sky Luminous Infrared Galaxy Survey (GOALS) taken with the Combined Array for Research in Millimeter Astronomy (CARMA).
Katherine Alatalo   +22 more
doaj   +1 more source

Extended Star Formation in Luminous Infrared Galaxies at z ∼ 1 in the SMILES Field

open access: yesThe Astrophysical Journal
Luminous infrared galaxies (LIRGs) and ultraluminous infrared galaxies (ULIRGs) in the local Universe are highly centrally concentrated in the mid-infrared (MIR) and substantially more likely than non-(U)LIRGs to be involved in mergers.
Michael K. Florian   +7 more
doaj   +1 more source

Complex Radio Spectral Energy Distributions in Luminous and Ultraluminous Infrared Galaxies [PDF]

open access: yes, 2011
We use the Expanded Very Large Array to image radio continuum emission from local luminous and ultraluminous infrared galaxies (LIRGs and ULIRGs) in 1 GHz windows centered at 4.7, 7.2, 29, and 36 GHz. This allows us to probe the integrated radio spectral
Armus, Lee   +13 more
core   +2 more sources

Direct Evidence for Active Galactic Nuclei Feedback from Fast Molecular Outflows in Reionization-era Quasars

open access: yesThe Astrophysical Journal
Galactic outflows driven by rapidly accreting quasars at high redshift are widely expected to play a key role in the short- and long-term future evolution of their host galaxies.
Justin S. Spilker   +6 more
doaj   +1 more source

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