SUMMARY OF PROPOSAL 43028
 WOLFGANG BRINKMANN
MAX-PLANCK-INSTITUT F\"UR EXTRATERRESTRISCHE PHYSIK
GERMANY GERMANY 85748
GARCHING
GIESSENBACHSTRASSE

  E-mail: WPB@MPE-GARCHING.MPG.DE	Tel: (0)89-3299-3877	Fax: (0)89-3299-3569
  Medium: 2GB8MM

Subject: AGN                                                         
  Title: AN X-RAY STUDY OF THE GIANT RADIO QUASAR 4C~74.26                               


Abstract:
 4C 74.26 is the largest of the only two known quasars associated with a giant radio
 source. It exhibits extreme properties in all wavebands which so far cannot be
 atttributed to any special physical or environmental conditions of the source.. The
 ROSAT PSPC spectrum is unusually flat for a radio-loud quasar and cannot be
 determined well due to the PSPC's narrow energy range, limited spectral resolution,
 and the high Galactic absorption. A detailed study in a 20 ks ASCA observation will
 allow the reliable determination of its X-ray spectral properties and will thus
 enable us to pin down the physical and geometrical conditions of the central emission region of this unusual quasar.

 Co-Is:
   1  JOACHIM SIEBERT     	MPE                           GERMANY   
      NKAWAI@POSTMAN.RIKEN.GO.JP	0484621111
   2  NOBUYUKI KAWAI      	RIKEN                         JAPAN     
   3  STEFAN WAGNER       	LSTW. HEIDELBERG              GERMANY   


Target Name           PRI RA        Dec        Time TC  Off GIS SIS_Cts  Obs
-------------------   --- --------  --------   ---- --  --- --- -------  ---
4C 74.26               2  310.6417   75.1339    20   N   Y   P  0.55000   1