SUMMARY OF PROPOSAL 41283 DR. KAZUO MAKISHIMA UNIVERSITY OF TOKYO TOKYO JAPAN 113 BUNKYO-KU 7-3-1 HONGO E-mail: MAXIMA@MIRANDA.PHYS.S.U-TOKYO.AC.JP Tel: 03-3812-2111 EX.4171 Fax: 03-3812-6938 Medium: 2.5GB8MM Subject: COSMIC X-RAY BACKGROUND AND DEEP SURVEYS AND OTHER Title: DOES THE LOCAL GROUP OF GALAXIES HAVE A HOT HALO? Abstract: We search for diffuse thermal emission from hot plasmas which may be trapped in the Local Group potential. For this purpose we propose four pointed observations on a sky region near M31. Co-Is: 1 YOSHITAKA ISHISAKI UNIVERSITY OF TOKYO JAPAN ISHISAKI@MIRANDA.PHYS.S.U-TOKYO.AC.JP 03-3812-2111 EX4173 2 YASUSHI FUKAZAWA UNIVERSITY OF TOKYO JAPAN 3 KYOKO MATSUSHITA UNIVERSITY OF TOKYO JAPAN 4 HAJIME EZAWA UNIVERSITY OF TOKYO JAPAN 5 TAKAYUKI TAMURA UNIVERSITY OF TOKYO JAPAN Target Name PRI RA Dec Time TC Off GIS SIS_Cts Obs ------------------- --- -------- -------- ---- -- --- --- ------- --- LOCAL GROUP HALO 2 13.0000 36.5000 80 N Y P 0.10000 4 REMARKS: THE 80 KS WILL BE SPLIT INTO FOUR POINTINGS OF 20 KS EACH, AT J2000 COORINATES OF (00 52 00, 36 30 00), (00 52 00, 35 42 00) (00 50 00, 35 00 00), AND (00 48 00, 34 18 00)