Searching for emission from the warm-hot intergalactic medium Yoh Takei (ISAS/JAXA) Takaya Ohashi1, Kosuke Sato2,3, Ikuyuki Mitsuishi4, Enzo Branchini5, Eugenio Ursino5, Alessandra Corsi6 1: Tokyo Metropolitan U.; 2: Kanazawa U.; 3: MIT; 4: ISAS/JAXA; 5: Roma Tre U.; 6: INAF-IASF-Rome Evolution of the Universe 1(00(#+(2.Small scale Past 3,+4) GRBs • Current Universe is a !"# Stars $%&$'()$%& consequence of SNRs • structure formaiton by :"";3(-7.8. "&+$-<0"&)Starburst gravity, galaxies/ *)+,-),+".Galaxies AGNs • and chemical enrichment /%+0()$%& and feedback from smaller scale to larger scale. 56,4)"+.%,)47$+)4.8. "9%6,)$%& Clusters Structure formation Clusters • The warm-hot intergalactic ! !";4<$/) medium (WHIM) is largest structures in the local Universe, tracing distribution Feedback& Enrichment =1>."0$44$%& of dark matter and imprinting =1>.(34%+?)$%& ! Present WHIM ! enrichment history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arge.$+!.00:H1!8:!8,.5+! 87scale+!50318+,!+9#11#:/!:38!8:!9357!0.,$+,! Yoh Takei,.<##D!3*!8:!. /(<[email protected]!#/!1:9+!,+$#:/1!6+T:/<!,&==%!U:H+,!0+48!*./+02!V#930.8+<)!W " V !1*+58,39!4,:9COSPAR2010!.!R==!.,59#/&!,+$#:/! 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