activity
20062026
most citedHitomi constraints on the 3.5 keV line in the Perseus galaxy cluster

124 citations · 480 across the 34 of their papers we have counts for

collaborators
Showing astro-ph.IMShow all

8 papers · 1 filter

astro-ph.IM2025

Pile-up simulator for XRISM/Xtend onboard the X-ray Imaging and Spectroscopy Mission (XRISM)

Tomokage Yoneyama, Tsubasa Tamba, Hirokazu Odaka +6

In X-ray astronomy, most observatories utilize multi-pixel photon-counting devices. When a photon counting device observes a bright source, we face an unavoidable problem called pi…

astro-ph.IM2025

In-orbit Performance of the Soft X-ray Imaging Telescope Xtend aboard XRISM

Hiroyuki Uchida, Koji Mori, Hiroshi Tomida +62

We present a summary of the in-orbit performance of the soft X-ray imaging telescope Xtend onboard the XRISM mission, based on in-flight observation data, including first-light cel…

astro-ph.IM2025

New CCD Driving Technique to Suppress Anomalous Charge Intrusion from Outside the Imaging Area for Soft X-ray Imager of Xtend onboard XRISM

Hirofumi Noda, Mio Aoyagi, Koji Mori +22

The Soft X-ray Imager (SXI) is an X-ray CCD camera of the Xtend system onboard the X-Ray Imaging and Spectroscopy Mission (XRISM), which was successfully launched on September 7, 2…

astro-ph.IM2025

Soft X-ray Imager of the Xtend system onboard XRISM

Hirofumi Noda, Koji Mori, Hiroshi Tomida +57

The Soft X-ray Imager (SXI) is the X-ray charge-coupled device (CCD) camera for the soft X-ray imaging telescope Xtend installed on the X-ray Imaging and Spectroscopy Mission (XRIS…

astro-ph.IM2024

Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM)

Koji Mori, Hiroshi Tomida, Hiroshi Nakajima +59

Xtend is one of the two telescopes onboard the X-ray imaging and spectroscopy mission (XRISM), which was launched on September 7th, 2023. Xtend comprises the Soft X-ray Imager (SXI…

astro-ph.IM2024

Initial operations of the Soft X-ray Imager onboard XRISM

Hiromasa Suzuki, Tomokage Yoneyama, Shogo B. Kobayashi +52

XRISM (X-Ray Imaging and Spectroscopy Mission) is an astronomical satellite with the capability of high-resolution spectroscopy with the X-ray microcalorimeter, Resolve, and wide f…

astro-ph.IM2019★ 5 cited

Radiation hardness of a p-channel notch CCD developed for the X-ray CCD camera onboard the XRISM satellite

Yoshiaki Kanemaru, Jin Sato, Koji Mori +30

We report the radiation hardness of a p-channel CCD developed for the X-ray CCD camera onboard the XRISM satellite. This CCD has basically the same characteristics as the one used…

astro-ph.IM2012★ 106 cited

The ASTRO-H X-ray Observatory

Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley +220

The joint JAXA/NASA ASTRO-H mission is the sixth in a series of highly successful X-ray missions initiated by the Institute of Space and Astronautical Science (ISAS). ASTRO-H will…