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XXL Survey groups and clusters in the Hyper Suprime-Cam Survey. Scaling relations between X-ray properties and weak lensing mass
Mauro Sereno, Keiichi Umetsu, Stefano Ettori +13
Scaling relations trace the formation and evolution of galaxy clusters. We exploited multi-wavelength surveys -- the XXL survey at \emph{XMM-Newton} in the X-ray band, and the Hype…
Non-steady heating of cool cores of galaxy clusters by ubiquitous turbulence and AGN
Yutaka Fujita, Renyue Cen, Irina Zhuravleva
Recent cosmological simulations have shown that turbulence should be generally prevailing in clusters because clusters are continuously growing through matter accretion. Using one-…
Weak lensing Analysis of X-Ray-selected XXL Galaxy Groups and Clusters with Subaru HSC Data
Keiichi Umetsu, Mauro Sereno, Maggie Lieu +23
We present a weak-lensing analysis of X-ray galaxy groups and clusters selected from the XMM-XXL survey using the first-year data from the Hyper Suprime-Cam (HSC) Subaru Strategic…
Neutral iron line in the supernova remnant IC 443 and implications for MeV cosmic rays
Kumiko K. Nobukawa, Arisa Hirayama, Aika Shimaguchi +3
We report a discovery of bright blob-like enhancements of an Fe I K line in the northwest and the middle of the supernova remnant (SNR) IC 443. The distribution of the line emis…
The ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275
H. Nagai, K. Onishi, N. Kawakatu +12
We present ALMA Band 6 observations of the CO(2-1), HCN(3-2), and HCO(3-2) lines in the nearby radio galaxy / brightest cluster galaxy (BCG) of NGC 1275 with the spatial reso…
First detection of PSR B1259-63/LS 2883 in the Millimeter and Submillimeter Wavelengths with ALMA
Yutaka Fujita, Akiko Kawachi, Takuya Akahori +2
We report Atacama Large Millimeter/submillimeter Array (ALMA) observations of the binary system containing the pulsar PSR B1259-63 orbiting around a Be star LS 2883 after the 2017…