SUMMARY OF PROPOSAL 53025
CAMBRIDGE UNIVERSITY
CAMBRIDGESHIRE UK CB3 0HA
CAMBRIDGE
MADINGLEY ROAD
Tel: 01223-337548 Fax: 01223-337523
Medium: 4GBDAT
Subject: AGN
AN ASCA OBSERVATION OF A NEWLY FOUND Z
ABSTRACT
X-ray observations of the highest redshift objects yield important information on the early formation of deep potential wells and massive black holes. Spectral features can also give information on early metal enrichment. We propose to observe the most distant detectable object, a recently discovered radio-loud quasar at a redshift of 4.73. A serendipitous (and off-axis) ROSAT observation of this quasar indicates that it will be well detected over the entire 0.5-10 keV energy band of ASCA, corresponding to the 3-60 keV band in the rest frame of the quasar.
CO-INVESTIGATORS
| CO-I NAME | INSTITUTE | COUNTRY |
|---|
| WILLIAM BRANDT | CAMBRIDGE UNIV. | UK |
| RICHARD MCMAHON | CAMBRIDGE UNIV. | UK |
| ISOBEL HOOK | ESO GARCHING | GERMANY |
TARGETS
| TARGET NAME | PRI | RA | DEC | TIME | TC | OFF | GIS | SIS CNT | OBS |
|---|
| 1)GB 1428+4217 | 1 | 217.5987 | 42.0768 | 40 ks | N | Y | P | 0.04000 | 1 |