SUMMARY OF PROPOSAL 43020
DR. ANDREA COMASTRI
OSSERVATORIO ASTRONOMICO DI BOLOGNA
 ITALY I-40126
BOLOGNA
VIA ZAMBONI 33

  E-mail: COMASTRI@ASTBO3.BO.ASTRO.IT	Tel: +39-51-259419	Fax: +39-51-259407
  Medium: 4GBDAT

Subject: AGN                                                         
  Title: ON THE X-RAY SPECTRA OF HIGH REDSHIFT (Z > 2) RADIO-QUIET QUASARS               


Abstract:
 Recent ROSAT and ASCA observations of high-redshift radio loud quasars have revealed
 that low energy absorption is common in their X-ray spectra, suggesting different
 properties among low and high redshift objects. On the other side, no spectral
 information is available so far for the high redshift radio-quiet quasars. The
 proposed observations of 3 high-redshift radio-quiet quasars will allow us to obtain
 broad band (1-30 keV in the source rest frame) X-ray spectra of good statistical qualit

 Co-Is:
   1  SILVANO MOLENDI     	IFCTR - CNR - MILANO          ITALY     
      CAPPI@CRICKET.RIKEN.GO.JP	+81-48-462-1111-3221
   2  MASSIMO CAPPI       	RIKEN                         JAPAN     
   3  MASARU MATSUOKA     	RIKEN                         JAPAN     


Target Name           PRI RA        Dec        Time TC  Off GIS SIS_Cts  Obs
-------------------   --- --------  --------   ---- --  --- --- -------  ---
Q1101-264              2  165.8542  -26.7542    20   N   Y   P  0.02900   1 
          
Q1559+089              2  240.5958    8.7600    20   N   Y   P  0.03500   1