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Titolo:
X-RAY-EMISSION FROM THE CLUSTER AROUND E1821+643
Autore:
SAXTON RD; BARSTOW MA; TURNER MJL; WILLIAMS OR; STEWART GC; KII T;
Indirizzi:
VEGA ESA,ISO SCI OPERAT CTR,VILLAFRANCA DEL CASTILLO,APARTADO 50727 MADRID 28080 SPAIN UNIV LEICESTER,DEPT PHYS & ASTRON LEICESTER LE1 7RH LEICS ENGLAND EUROPEAN SPACE AGCY,ESTEC,DIV ASTROPHYS NL-2200 AG NOORDWIJK NETHERLANDS INST SPACE & ASTRONAUT SCI SAGAMIHARA KANAGAWA 229 JAPAN
Titolo Testata:
Monthly Notices of the Royal Astronomical Society
fascicolo: 1, volume: 289, anno: 1997,
pagine: 196 - 202
SICI:
0035-8711(1997)289:1<196:XFTCAE>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
EXOSAT OBSERVATIONS; GALAXIES; EVOLUTION; SAMPLE; LINE;
Keywords:
GALAXIES, CLUSTERS, GENERAL; QUASARS, INDIVIDUAL, E1821+643; X-RAYS, GALAXIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
R.D. Saxton et al., "X-RAY-EMISSION FROM THE CLUSTER AROUND E1821+643", Monthly Notices of the Royal Astronomical Society, 289(1), 1997, pp. 196-202

Abstract

We report the first unambiguous detection of X-ray emission from the cluster of galaxies surrounding the radio-quiet QSO E1821 + 643, ROSATPSPC observations show that the cluster is highly luminous, L-x similar to 10(45) erg s(-1), as would be expected from the high Abell richness class (greater than or equal to 2) seen in optical studies. The cluster is expected to contribute an iron line of apparent equivalent width 20-142 eV to the integrated spectrum.

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Documento generato il 18/09/20 alle ore 11:03:31