activity
20142026
most citedUV line driven disc wind as the origin of ultrafast outflows in AGN

50 citations · 703 across the 70 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

9 papers · 1 filter

astro-ph.GA2025

A XRISM/Resolve view of the dynamics in the hot gaseous atmosphere of M87

XRISM Collaboration, M. Audard, H. Awaki +138

The XRISM/Resolve microcalorimeter directly measured the gas velocities in the core of the Virgo Cluster, the closest example of AGN feedback in a cluster. This proximity allows us…

astro-ph.GA2025

Comparing XRISM cluster velocity dispersions with predictions from cosmological simulations: are feedback models too ejective?

XRISM Collaboration, Marc Audard, Hisamitsu Awaki +147

The dynamics of the intra-cluster medium (ICM), the hot plasma that fills galaxy clusters, are shaped by gravity-driven cluster mergers and feedback from supermassive black holes (…

astro-ph.GA2025★ 6 cited

XRISM insights for interstellar Sulfur

Lia Corrales, Elisa Costantini, Sascha Zeegers +15

The X-ray Imaging Spectroscopy Mission (XRISM) provides the best spectral resolution with which to study Sulfur (S) K-shell photoabsorption features from the interstellar medium (I…

astro-ph.GA2023

Shock Excitation in Narrow Line Regions Powered by AGN Outflows

Misaki Mizumoto, Hiroaki Sameshima, Naoto Kobayashi +10

Outflows in the Active Galactic Nucleus (AGN) are considered to play a key role in the host galaxy evolution through transfer of a large amount of energy. A Narrow Line Region (NLR…

astro-ph.GA2020★ 16 cited

Mg II and Fe II fluxes of luminous quasars at z ~ 2.7 and evaluation of the Baldwin effect in the flux-to-abundance conversion method for quasars

Hiroaki Sameshima, Yuzuru Yoshii, Noriyuki Matsunaga +12

To investigate the chemical abundance of broad-line region clouds in quasars at high redshifts, we performed near-infrared spectroscopy of six luminous quasars at z ~ 2.7 with the…

astro-ph.GA2019★ 10 cited

First detection of -- (0,0) bands of interstellar C and CN

Satoshi Hamano, Hideyo Kawakita, Naoto Kobayashi +12

We report the first detection of C -- (0,0) and CN -- (0,0) absorption bands in the interstellar medium. The detection was made using the near…

astro-ph.GA2018★ 27 cited

Kinetic energy transfer from X-ray ultrafast outflows to mm/sub-mm cold molecular outflows in Seyfert galaxies

Misaki Mizumoto, Takuma Izumi, Kotaro Kohno

UltraFast Outflows (UFOs), seen as X-ray blueshifted absorption lines in active galactic nuclei (AGNs), are considered to be a key mechanism for AGN feedback. In this scenario, UFO…

astro-ph.GA2016★ 33 cited

Near infrared diffuse interstellar bands toward the Cygnus OB2 association

Satoshi Hamano, Naoto Kobayashi, Sohei Kondo +16

We obtained the near-infrared (NIR) high-resolution () spectra of the seven brightest early-type stars in the Cygnus OB2 association for investigating the en…

astro-ph.GA2014★ 38 cited

Near-infrared diffuse interstellar bands in 0.91-1.32 micron

Satoshi Hamano, Naoto Kobayashi, Sohei Kondo +16

We present a comprehensive survey of diffuse interstellar bands (DIBs) in m with a newly-developed near-infrared (NIR) spectrograph, WINERED, mounted on the Araki 1.3 m…