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We present the results of Suzaku X-ray follow-up observation ofweak-lensing-detected halos in the field around galaxy cluster ZwCl0823.2+0425.We clearly detected X-ray emission associated with most of these halos anddetermined their detailed physical parameters such as X-ray luminosity,temperature, and metal abundance, for the first time. We find that the X-rayluminosity - temperature relation for these halos agrees with former typicalresults. With mass determined from the weak gravitational lensing data, themass-temperature relation for them is also investigated and found to beconsistent with the prediction from a simple self-similar model and results ofthe previous studies with both lensing and X-ray data. We would like toemphasize that the self-similar scaling relation of mass and temperature isshown here for the first time using a weak-lensing selected sample, whereasprevious studies of the mass scaling relation used X-ray-selected samples ofclusters. Therefore, our study demonstrates importance of X-ray follow-upobservations of shear-selected clusters, and shows that a joint X-ray andlensing analysis will be crucial for clusters discovered by the forthcomingweak-lensing surveys, such as the one planned with Subaru/Hyper-Suprime-Cam.

Suzaku X-ray Follow-up Observation of Weak-lensing-detected Halos in the Field around ZwCl0823.2+0425