Results 191 to 200 of about 1,073,559 (305)

Radio-only and Radio-to-far-ultraviolet Spectral Energy Distribution Modeling of 14 ULIRGs: Insights into the Global Properties of Infrared Bright Galaxies

open access: yesThe Astrophysical Journal
We present detailed spectral energy distribution (SED) modeling of 14 local ultraluminous infrared galaxies (ULIRGs) with outstanding photometric data from the literature covering the ultraviolet–infrared (FIR) and radio bands (∼50 MHz to ∼30 GHz).
Subhrata Dey   +3 more
doaj   +1 more source

Mid-infrared Ensemble Variability of Broad-line and Narrow-line Seyfert 1 Galaxies

open access: yesThe Astrophysical Journal
We utilized multiepoch archival data from the Wide-field Infrared Survey Explorer to compare the variability at 3.4 μ m (W1 band) and 4.6 μ m (W2 band) of broad-line Seyfert 1 (BLSy1) galaxies and narrow-line Seyfert 1 (NLSy1) galaxies by employing the ...
Zhipeng Hu, Lisheng Mao
doaj   +1 more source

VLBI Imaging of Parsec-scale Radio Structures in Nearby Low-luminosity Active Galactic Nuclei

open access: yesThe Astrophysical Journal Supplement Series
We report the results of high-resolution 5 GHz Very Long Baseline Array and European VLBI Network observations of 36 nearby galaxies, an extension of the Legacy e-MERLIN Multi-band Imaging of Nearby Galaxies survey.
Xiaopeng Cheng   +7 more
doaj   +1 more source

Part II. Radio Galaxies [PDF]

open access: bronze, 1964
Ko Aizu   +4 more
openalex   +1 more source

HST images and properties of the most distant radio galaxies [PDF]

open access: yes, 1998
We present Hubble Space Telescope images of 11 high redshift radio galaxies (between $z=2.3$ and $z=3.6$). The galaxies were observed with the WFPC2 camera in a broad band filter (F606W or F707W, roughly equivalent to V or R-band), for 2 orbits each.
Macchetto, F.   +6 more
core   +3 more sources

Prevalence of Compact Nuclear Radio Emission in Post-merger Galaxies and Its Origin

open access: yesThe Astrophysical Journal
Post-merger galaxies are unique laboratories to study the triggering and interplay of star formation and active galactic nucleus (AGN) activity. Combining new, high-resolution Jansky Very Large Array (VLA) observations with archival radio surveys, we ...
Gregory Walsh, Sarah Burke-Spolaor
doaj   +1 more source

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