SUMMARY OF PROPOSAL 41243
DR SHINJI SATO
NAGOYA UNIVERSITY
AICHI JAPAN 464-01
NAGOYA
CHIKUSAKU

  E-mail: SATO@TOYO.PHYS.NAGOYA-U.AC.JP	Tel: 81-52-789-2453	Fax: 81-52-789-2919
  Medium: 4GBDAT

Subject: CLUSTERS OF GALAXIES AND SUPERCLUSTERS                      
  Title: EVOLUTION OF HEAVY ELEMENTS IN NGC4104 GROUP                                    


Abstract:
 Abundance of hot gas in elliptical galaxies generally indicate much lower value than
 theoretically expected one. One way to address this problem is to observe small
 group of galaxies which can contain hot gas ejected from just one elliptical galaxy.
 NGC4104 group is the best object which satisfy following conditions. (1) grope has
 just one giant elliptical and there is no interaction to other member (2)dust
 emission of this elliptical is well measured so that we can estimate stellar mass
 loss ratio (3)there are measurements on abundance of stellar component, thus we can
 calculate total amount of heavy elements ejected by given stellar mass loss ratio.

 Co-Is:
   1  YUZURU TAWARA       	NAGOYA UNIVERSITY             JAPAN     
      (No Co-I contact data)
   2  YUICHI TERASHIMA    	NAGOYA UNIVERSITY             JAPAN     
   3  KATSUAKI ISOBE      	NAGOYA UNIVERSITY             JAPAN     


Target Name           PRI RA        Dec        Time TC  Off GIS SIS_Cts  Obs
-------------------   --- --------  --------   ---- --  --- --- -------  ---
NGC4104 GROUP          2  181.6625   28.1717    40   N   Y   P  0.07000   1