Results 111 to 120 of about 689 (170)

The SUPERCOLD-CGM Survey. II. [C i](1–0) Emission and the Physical Conditions of Cold Gas in Enormous Lyα Nebulae at z ∼ 2

open access: yesThe Astrophysical Journal
We report Atacama Large Millimeter/submillimeter Array and Atacama Compact Array observations of atomic carbon ([C i ](1–0)) and dust continuum in 10 enormous Ly α nebulae hosting ultraluminous Type-I QSOs at z = 2.2–2.5, as part of the Survey of ...
Jianan Li   +15 more
doaj   +1 more source

VLT-VIMOS integral field spectroscopy of luminous and ultraluminous infrared galaxies

open access: yes, 2010
Context. Luminous infrared galaxies (LIRGs) are an important class of objects in the low-z universe bridging the gap between normal spirals and the strongly interacting and starbursting ultraluminous infrared galaxies (ULIRGs).
S. Arribas   +11 more
core   +1 more source

Discovery of Powerful Multivelocity Ultrafast Outflows in the Starburst Merger Galaxy IRAS 05189–2524 with XRISM

open access: yesThe Astrophysical Journal Letters
We observed the X-ray-bright ultraluminous infrared galaxy IRAS 05189−2524 with XRISM during its performance verification phase. The unprecedented energy resolution of the onboard X-ray microcalorimeter revealed complex spectral features at ∼7–9 keV ...
Hirofumi Noda   +19 more
doaj   +1 more source

Follow-up near-infrared spectroscopy of ultraluminous infrared galaxies observed by ISO

open access: yes, 2005
We present low resolution near-infrared spectroscopy of an unbiased sample of 24 ultraluminous infrared galaxies (ULIRGs), selected from samples previously observed spectroscopically in the mid-infrared with the Infrared Space Observatory (ISO ...
R. Genzel   +19 more
core   +1 more source

A catalog to unite them all: REGALADE, a revised galaxy compilation for the advanced detector era

open access: yesAstronomy & Astrophysics
Context. Many applications in transient science, gravitational wave follow-up, and galaxy population studies require all-sky galaxy catalogs with reliable distances, extents, and stellar masses.
Tranin Hugo   +12 more
doaj   +1 more source

Local Ultraluminous Infrared Galaxies and Quasars

open access: yes, 2006
This paper reviews the recent results from a comprehensive investigation of the most luminous mergers in the local universe, the ultraluminous infrared galaxies (ULIRGs) and the quasars. First, the frequency of occurrence and importance of black hole driven nuclear activity in ULIRGs are discussed using the latest sets of optical, near-infrared, mid ...
openaire   +2 more sources

A Spitzer Space Telescope Infrared Spectrograph Survey of Warm Molecular Hydrogen in Ultraluminous Infrared Galaxies [PDF]

open access: yes, 2006
We have conducted a survey of ultraluminous infrared galaxies (ULIRGs) with the Infrared Spectrograph on the Spitzer Space Telescope, obtaining spectra from 5.0 to 38.5 μm for 77 sources with 0.02 2 Jy.
Higdon, J. L.   +4 more
core  

Evidence of a Forming Nucleus in the Fourcade–Figueroa Galaxy

open access: yesThe Astrophysical Journal
We analyze data from the IRAS, Wide-field Infrared Survey Explorer, and Planck satellites, revealing an unresolved dust condensation at the center of the Fourcade–Figueroa galaxy (ESO270-G017), which may correspond to a forming nucleus.
H. Dottori, R. J. Díaz
doaj   +1 more source

Systematic Study of the Inner Structure of Molecular Tori in Nearby U/LIRGs Using Velocity Decomposition of CO Rovibrational Absorption Lines

open access: yesThe Astrophysical Journal
Determining the inner structure of the molecular torus around an active galactic nucleus is essential for understanding its formation mechanism. However, spatially resolving the torus is difficult because of its small size.
Shusuke Onishi   +8 more
doaj   +1 more source

A z ≃ 0.4 Galaxy Reflecting the High-redshift Little Red Dots: An Extended Starburst with an Overmassive Black Hole

open access: yesThe Astrophysical Journal
One of the most remarkable discoveries of JWST is a population of compact, red sources at z > 4, commonly referred to as Little Red Dots (LRDs). Spectroscopic identifications reported that most LRDs are active galactic nuclei, which are preferentially ...
Xiaoyang Chen   +12 more
doaj   +1 more source

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