SUMMARY OF SEQUENCE NUMBER 700144
SUMMARY OF SEQUENCE NUMBER 700144
Title: EXTENDED AND COMPACT X-RAY EMISSION IN DISTANT RADIO GALAXIES
Observer: WORRALL
Subject Category: Active Galaxies and Quasars
Seq: 700144 ObsId: 00839
Long-term Plan bin: 29-Dec-1999
ABSTRACT
We propose ACIS imaging and spectroscopy of four powerful radio galaxies at $z > 0.4$ to separate their cluster and AGN components and address their unification with quasars. The observations will test our tentative result, based on ROSAT data, that the relationship between Doppler-boosted radio and X-ray emission in flat-spectrum radio quasars extends to powerful radio galaxies. The ACIS data will make the first measurements of the gas temperatures for distant clusters selected as hosts of powerful radio sources (and so provide information on the cosmological evolution of active-galaxy environments) and test the idea that the presence of cooling gas is required to trigger the most powerful radio sources.
TARGET SUMMARY
| TARGET NAME |
RA | DEC |
TIME |
SI |
GRAT |
TYPE |
TC |
ROLL |
PRE |
PHASE |
MULTI |
PRI |
| 3C 220.1 |
143.165000 | 79.108750 |
20.00000 |
ACIS-S |
NONE |
GO |
no |
no |
no |
no |
no |
5 |
IMAGES
(NOTE: RASS images currently only available for targets LTS scheduled on or after Apr-09-2000)
PARAMETERS
Obscat Parameters
