activity
20072023
most citedDesign Concepts for the Cherenkov Telescope Array

902 citations · 6.4k across the 108 of their papers we have counts for

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Showing astro-ph.GAShow all

12 papers · 1 filter

astro-ph.GA2023

Cosmic ray processes in galactic ecosystems

Ellis R. Owen, Kinwah Wu, Yoshiyuki Inoue +2

Galaxy evolution is an important topic, and our physical understanding must be complete to establish a correct picture. This includes a thorough treatment of feedback. The effects…

astro-ph.GA2023★ 9 cited

The Centimeter to Submillimeter Broad Band Radio Spectrum of the Central Compact Component in A Nearby Type-II Seyfert Galaxy NGC 1068

Tomonari Michiyama, Yoshiyuki Inoue, Akihiro Doi

We analyze all the available Atacama Large Millimeter / submillimeter Array archival data of the nearby Type-II Seyfert galaxy NGC 1068, including new 100 GHz data with the angular…

astro-ph.GA2022★ 15 cited

ALMA detection of parsec-scale blobs at the head of kiloparsec-scale jet in the nearby Seyfert galaxy NGC 1068

Tomonari Michiyama, Yoshiyuki Inoue, Akihiro Doi +1

We present Atacama Large Millimeter/submillimeter Array observations at GHz with arcsec (3 pc) resolution of the kiloparsec-scale jet seen in the nearby Seyfert…

astro-ph.GA2021★ 4 cited

Spatial variations of magnetic field along active galactic nuclei jets on sub-pc to Mpc scales

Soichiro Ito, Yoshiyuki Inoue, Jun Kataoka

We report the systematic analysis of knots, hotspots, and lobes in 57 active galactic nuclei (AGNs) to investigate the variation of the magnetic field along with the jet from the s…

astro-ph.GA2021★ 38 cited

Interstellar Gas Heating by Primordial Black Holes

Volodymyr Takhistov, Philip Lu, Graciela B. Gelmini +3

Interstellar gas heating is a powerful cosmology-independent observable for exploring the parameter space of primordial black holes (PBHs) formed in the early Universe that could c…

astro-ph.GA2018★ 13 cited

Diffuse x-ray emission from the northern arc of loop I observed with suzaku

Masahiro Akita, Jun Kataoka, Makoto Arimoto +4

After discovery of the Fermi bubbles, giant structures observed in radio to X-rays have been discussed as possi- ble evidence of past activities in the Galactic Center (GC). We rep…

astro-ph.GA2018★ 82 cited

Spatial distribution of the Milky Way hot gaseous halo constrained by Suzaku X-ray observations

Shinya Nakashima, Yoshiyuki Inoue, Noriko Yamasaki +3

The formation mechanism of the hot gaseous halo associated with the Milky Way Galaxy is still under debate. We report new observational constraints on the gaseous halo using 107 li…

astro-ph.GA2017★ 23 cited

Evidence for higher black hole spin in radio-loud quasars

Andreas Schulze, Chris Done, Youjun Lu +2

One of the major unsolved questions on the understanding of the AGN population is the origin of the dichotomy between radio-quiet and radio-loud quasars. The most promising explana…

astro-ph.GA2016★ 500 cited

The Quiescent Intracluster Medium in the Core of the Perseus Cluster

Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +213

Clusters of galaxies are the most massive gravitationally-bound objects in the Universe and are still forming. They are thus important probes of cosmological parameters and a host…

astro-ph.GA2016★ 23 cited

High-frequency excess in the radio continuum spectrum of the type-1 Seyfert galaxy NGC 985

Akihiro Doi, Yoshiyuki Inoue

The Seyfert galaxy NGC 985 is known to show a high-frequency excess in its radio continuum spectrum in a milli-Jansky level on the basis of previous observations at 1.4--15 GHz; a…

astro-ph.GA2016★ 25 cited

Galactic-Center Hyper-Shell Model for the North Polar Spurs

Y. Sofue, A. Habe, J. Kataoka +5

The bipolar-hyper shell (BHS) model for the North Polar Spurs (NPS-E, -W, and Loop I) and counter southern spurs (SPS-E and -W) is revisited based on numerical hydrodynamical simul…

astro-ph.GA2014★ 20 cited

Variable optical polarization during high state in gamma-ray loud narrow line Seyfert 1 galaxy 1H 0323+342

Ryosuke Itoh, Yasuyuki T. Tanaka, Hiroshi Akitaya +34

We present results of optical polarimetric and multi-band photometric observations for gamma-ray loud narrow-line Seyfert 1 galaxy 1H 0323+342. This object has been monitored by 1.…