Results 91 to 100 of about 149 (141)

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

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

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

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

The Magnetic Fields of the Dusty Nuclei and Molecular Outflows of Arp 220

open access: yesThe Astrophysical Journal Letters
Galaxy mergers trigger starburst activity and galactic outflows that enrich the circumgalactic medium (CGM), profoundly impacting galaxy evolution. These phenomena are intrinsically linked to the physical conditions of the medium, which is permeated by ...
Enrique Lopez-Rodriguez   +7 more
doaj   +1 more source

Disclosing Submillimeter Galaxy Formation: Mergers or Secular Evolution?

open access: yesThe Astrophysical Journal
We analyze the morphology of 125 submillimeter galaxies (SMGs) in the PRIMER-COSMOS field using double Sérsic modeling on JWST NIRCam images across six bands (F150W, F200W, F277W, F356W, F410M, and F444W), with SMGs being classified by the bulge Sérsic ...
Siu-Wang Chan, Yiping Ao, Qing-hua Tan
doaj   +1 more source

A Hot DOG Forged in FIRE: Nuclear and Starburst Spectral Decomposition of a Luminous Infrared Galaxy Simulation with a Resolved Dust Torus

open access: yesThe Astrophysical Journal
Ultraluminous infrared galaxies are powered by a combination of rapid star formation and active galactic nucleus (AGN) emission, but their relative importance is not always observationally clear.
Jaeden Bardati   +2 more
doaj   +1 more source

Probing Heavily Obscured Active Galactic Nuclei in Major Galaxy Mergers Using the Millimeter–X-Ray Correlation

open access: yesThe Astrophysical Journal Letters
The study of heavily obscured supermassive black hole (SMBH) growth in late-stage galaxy mergers is challenging: column densities N _H > 10 ^24 cm ^−2 can block most nuclear emission, leaving significant gaps in the SMBH growth census.
Macarena Droguett-Callejas   +12 more
doaj   +1 more source

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