Radio galaxy redshift-angular size data constraints on dark energy

Silviu Podariu; Ruth A. Daly; Matthew P. Mory; Bharat Ratra

doi:10.1086/345752

Radio galaxy redshift-angular size data constraints on dark energy

Silviu Podariu, Ruth A. Daly, Matthew P. Mory, Bharat Ratra

Division of Science (Berks)

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

We use FRIIb radio galaxy redshift-angular size data to constrain cosmological parameters in a dark energy scalar field model. The derived constraints are consistent with, but weaker than, those determined using Type Ia supernova redshift-magnitude data.

Original language	English (US)
Pages (from-to)	577-579
Number of pages	3
Journal	Astrophysical Journal
Volume	584
Issue number	2 I
DOIs	https://doi.org/10.1086/345752
State	Published - Feb 20 2003

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/345752

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@article{f35af33d62f44c1a8628f4a71c1c9a91,

title = "Radio galaxy redshift-angular size data constraints on dark energy",

abstract = "We use FRIIb radio galaxy redshift-angular size data to constrain cosmological parameters in a dark energy scalar field model. The derived constraints are consistent with, but weaker than, those determined using Type Ia supernova redshift-magnitude data.",

author = "Silviu Podariu and Daly, {Ruth A.} and Mory, {Matthew P.} and Bharat Ratra",

year = "2003",

month = feb,

day = "20",

doi = "10.1086/345752",

language = "English (US)",

volume = "584",

pages = "577--579",

journal = "Astrophysical Journal",

issn = "0004-637X",

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TY - JOUR

T1 - Radio galaxy redshift-angular size data constraints on dark energy

AU - Podariu, Silviu

AU - Daly, Ruth A.

AU - Mory, Matthew P.

AU - Ratra, Bharat

PY - 2003/2/20

Y1 - 2003/2/20

N2 - We use FRIIb radio galaxy redshift-angular size data to constrain cosmological parameters in a dark energy scalar field model. The derived constraints are consistent with, but weaker than, those determined using Type Ia supernova redshift-magnitude data.

AB - We use FRIIb radio galaxy redshift-angular size data to constrain cosmological parameters in a dark energy scalar field model. The derived constraints are consistent with, but weaker than, those determined using Type Ia supernova redshift-magnitude data.

UR - http://www.scopus.com/inward/record.url?scp=0037719410&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0037719410&partnerID=8YFLogxK

U2 - 10.1086/345752

DO - 10.1086/345752

M3 - Article

AN - SCOPUS:0037719410

SN - 0004-637X

VL - 584

SP - 577

EP - 579

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2 I

ER -

Radio galaxy redshift-angular size data constraints on dark energy

Abstract

All Science Journal Classification (ASJC) codes

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