activity
20002026
most citedFaint X-ray sources resolved in the ASCA Galactic plane survey and their contribution to the Galactic ridge X-ray emission

260 citations · 707 across the 11 of their papers we have counts for

collaborators

11 papers

astro-ph.SR2026

Science operation, data handling, and ground support system of the SOLAR-C mission

Shin Toriumi, Mari Nishiyama, Keiichi Matsuzaki +16

SOLAR-C is an international solar-observing satellite mission led by Japan Aerospace Exploration Agency (JAXA). It aims to elucidate mass and energy transport in solar atmospheres…

astro-ph.IM2011★ 20 cited

AKARI-CAS --- Online Service for AKARI All-Sky Catalogues

C. Yamauchi, S. Fujishima, N. Ikeda +8

The AKARI All-Sky Catalogues are an important infrared astronomical database for next-generation astronomy that take over the IRAS catalog. We have developed an online service, AKA…

astro-ph2008★ 224 cited

Magnetic Landscape of Sun's Polar Region

S. Tsuneta, K. Ichimoto, Y. Katsukawa +11

We present the magnetic landscape of the polar region of the Sun that is unprecedented in terms of high spatial resolution, large field of view, and polarimetric precision. These o…

astro-ph2008★ 43 cited

Strongly Blueshifted Phenomena Observed with {\it Hinode}/EIS in the 2006 December 13 Solar Flare

Ayumi Asai, Hirohisa Hara, Tetsuya Watanabe +5

We present a detailed examination of strongly blueshifted emission lines observed with the EUV Imaging Spectrometer on board the {\it Hinode} satellite. We found two kinds of blues…

astro-ph2007★ 59 cited

Velocity Structure of Jets in Coronal Hole

Suguru Kamio, Hirohisa Hara, Tetsuya Watanabe +4

Velocity structures of jets in a coronal hole have been derived for the first time. Hinode observations revealed the existence of many bright points in coronal holes. They are loop…

astro-ph2007★ 59 cited

Hinode Calibration for Precise Image Co-alignment between SOT and XRT (November 2006 -- April 2007)

Toshifumi Shimizu, Yukio Katsukawa, Keiichi Matsuzaki +11

To understand the physical mechanisms for activity and heating in the solar atmosphere, the magnetic coupling from the photosphere to the corona is an important piece of informatio…

astro-ph2006★ 9 cited

Discovery of Diffuse X-ray Emission in One of the Nearest Massive Star-Forming Regions NGC 2024

Yuichiro Ezoe, Motohide Kokubun, Kazuo Makishima +2

A deep 75 ks {\it Chandra} ACIS--I data of NGC 2024 was analyzed, aiming at a search for diffuse X-ray emission in this one of the most nearby (415 pc) massive star-forming regions…

astro-ph2002★ 2 cited

Search for Hot Gas in the Local Group with ASCA

satoko osone, kazuo Makishima, keiichi Matsuzaki +2

An X-ray study was made to examine whether some part of the soft X-ray background is coming from hot gas in the Local Group. For this purpose, four consecutive pointings were made…

astro-ph2001★ 19 cited

X-Ray Beaming due to Resonance Scattering in the Accretion Column of Magnetic Cataclysmic Variables

Yukikatsu. Terada, M. Ishida, K. Makishima +4

Extremely strong ionized Fe emission lines, with the equivalent width reaching about 4000 eV, were discovered with ASCA from a few Galactic compact objects, including AX J2315-0592…

astro-ph2001★ 260 cited

Faint X-ray sources resolved in the ASCA Galactic plane survey and their contribution to the Galactic ridge X-ray emission

M. Sugizaki, K. Mitsuda, H. Kaneda +3

The X-ray emission from the central region of the Galactic plane, |l|<45 deg and |b|<0.4 deg, was studied in the 0.7-10 keV energy band with a spatial resolution of ~3' with the AS…

astro-ph2000★ 12 cited

Discovery of a new pulsating X-ray source with a 1549.1-s period, AX J183220-0840

M. Sugizaki, K. Kinugasa, K. Matsuzaki +3

A new pulsating X-ray source, AX J183220-0840, with a 1549.1-s period was discovered at R.A.= 18h32m20s and Dec.=-8d40'30'' (J2000, uncertainty=0.6degree) during an ASCA observatio…