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Parameter constraints for flat cosmologies from cosmic microwave background and 2dFGRS power spectra

Abstract:

We constrain flat cosmological models with a joint likelihood analysis of a new compilation of data from the cosmic microwave background (CMB) and from the 2dF Galaxy Redshift Survey (2dFGRS). Fitting the CMB alone yields a known degeneracy between the Hubble constant h and the matter density Ωm, which arises mainly from preserving the location of the peaks in the angular power spectrum. This 'horizon-angle degeneracy' is considered in some detail and is shown to follow the simple relation Ωm...

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Publisher copy:
10.1046/j.1365-8711.2002.06001.x

Authors


Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
337
Issue:
3
Pages:
1068-1080
Publication date:
2002-12-11
DOI:
ISSN:
0035-8711
Language:
English
Keywords:
Pubs id:
pubs:159988
UUID:
uuid:9ee7f735-b986-4645-9a51-e38d4887d56f
Local pid:
pubs:159988
Source identifiers:
159988
Deposit date:
2012-12-19

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