500 citations · 2.9k across the 72 of their papers we have counts for
72 papers
The unusual spectrum of the X-ray transient source XRISM J174610.8-290021 near the Galactic center
A. Yoshimoto, S. Yamauchi, M. Nobukawa +20
The Galactic center region was observed with the XRISM X-ray observatory during the performance verification phase in 2024 and a point-like X-ray source was detected with the X-ray…
Initial state of the recombining plasma in supernova remnant W 28
Rui Himono, Masayoshi Nobukawa, Shigeo Yamauchi +2
We investigate an SNR W28 with the Suzaku archive data and report the results of spatial resolved analyses. We carry out spectral analysis using a recombining plasma (RP) model wit…
Confirmation of dust scattering echo around MAXI J1421-613 by Swift observation
Kumiko K. Nobukawa, Masayoshi Nobukawa, Shigeo Yamauchi
MAXI J1421-613 is an X-ray burster discovered by Monitor of All-sky X-ray Image (MAXI) on 9 January 2014 and is considered to be a low-mass X-ray binary. A previous study analyzing…
Suzaku Observations of Fe K-shell Lines in the Supernova Remnant W51C and Hard X-ray Sources in the Proximity
Aika Shimaguchi, Kumiko K. Nobukawa, Shigeo Yamauchi +2
In this paper, we investigated the Fe K-shell lines in the supernova remnant W51C and hard X-ray sources in the proximity. We measured the intensities of Fe I K and Fe XXV He…
Detailed Design of the Science Operations for the XRISM mission
Yukikatsu Terada, Matt Holland, Michael Loewenstein +36
XRISM is an X-ray astronomical mission by the JAXA, NASA, ESA and other international participants, that is planned for launch in 2022 (Japanese fiscal year), to quickly restore hi…
Spectral and timing properties of the black hole candidate X1755-338 observed in 1989-1995
Shigeo Yamauchi, Sakiho Maeda
We report results of an analysis of the black hole (BH) candidate source X1755-338 in 1989, 1990, and 1991 with Ginga, and in 1995 with ASCA. The spectra were well represented by a…