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Article: The hubble diagram of metal-rich qsos and deceleration parameter q0

TitleThe hubble diagram of metal-rich qsos and deceleration parameter q0
Authors
Xie, GMei, DCheng, KSFan, J
KeywordsDeceleration parameter
Hubble diagram
Quasars
Issue Date2001
PublisherScience in China Press. The Journal's web site is located at http://www.scichina.com:8081/sciAe/EN/volumn/current.shtml
Citation
Science In China, Series A: Mathematics, Physics, Astronomy, 2001, v. 44 n. 8, p. 1081-1088 How to Cite?
AbstractFor 163 metal-rich Quasars, the mv-logZ diagram shows a very close correlation. Using multiple regression analysis for these sources (N = 163), we obtained q0 = 1.142 and correlation coefficient γ = 0.69. These results suggested that the Universe is closed and all metal-rich quasars are of a single category. On the other hand, the evolution is very small at Z≤2 for metal-rich quasars.
Persistent Identifierhttp://hdl.handle.net/10722/80836
ISSN
1006-9283
2011 Impact Factor: 0.701
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorXie, Gen_HK
dc.contributor.authorMei, Den_HK
dc.contributor.authorCheng, KSen_HK
dc.contributor.authorFan, Jen_HK
dc.date.accessioned2010-09-06T08:10:48Z-
dc.date.available2010-09-06T08:10:48Z-
dc.date.issued2001en_HK
dc.identifier.citationScience In China, Series A: Mathematics, Physics, Astronomy, 2001, v. 44 n. 8, p. 1081-1088en_HK
dc.identifier.issn1006-9283en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80836-
dc.description.abstractFor 163 metal-rich Quasars, the mv-logZ diagram shows a very close correlation. Using multiple regression analysis for these sources (N = 163), we obtained q0 = 1.142 and correlation coefficient γ = 0.69. These results suggested that the Universe is closed and all metal-rich quasars are of a single category. On the other hand, the evolution is very small at Z≤2 for metal-rich quasars.en_HK
dc.languageengen_HK
dc.publisherScience in China Press. The Journal's web site is located at http://www.scichina.com:8081/sciAe/EN/volumn/current.shtmlen_HK
dc.relation.ispartofScience in China, Series A: Mathematics, Physics, Astronomyen_HK
dc.subjectDeceleration parameteren_HK
dc.subjectHubble diagramen_HK
dc.subjectQuasarsen_HK
dc.titleThe hubble diagram of metal-rich qsos and deceleration parameter q0en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0036-8237&volume=44&spage=1081&epage=1087&date=2001&atitle=The+Hubble+diagram+of+metal-rich+QSOs+and+deceleration+parameter+q0en_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0035428426en_HK
dc.identifier.hkuros68893en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035428426&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume44en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1081en_HK
dc.identifier.epage1088en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridXie, G=7202981212en_HK
dc.identifier.scopusauthoridMei, D=7005968649en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK
dc.identifier.scopusauthoridFan, J=7402794576en_HK

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