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On Statistical Lensing and the Anti-Correlation Between 2dF QSOs and Foreground Galaxies

Abstract:

We cross-correlate APM and SDSS galaxies with background QSOs from the 2dF QSO Redshift Survey, and detect a significant (2.8sigma) anti-correlation. The lack of a signal between 2dF stars and our galaxy samples suggests the anti-correlation is not due to a systematic error. The possibility that dust in the foreground galaxies could produce the anti-correlation is marginally rejected, at the 2sigma level through consideration of QSO colours. It is possible that dust that obscures QSOs without...

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Publication status:
Published

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Authors


Outram, PJ More by this author
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Journal:
Mon.Not.Roy.Astron.Soc.
Volume:
359
Issue:
2
Pages:
741-754
Publication date:
2005-02-23
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:8eaaa428-5897-48fa-8b73-6d851fda7080
Source identifiers:
28862
Local pid:
pubs:28862
Language:
English
Keywords:

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