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Possible arcminute-separation gravitational lensed QSOs in the 2dF QSO survey

Abstract:

We report the possible discovery of multiple gravitationally-lensed images of QSOs with angular separations on arcminute scales. The QSOs were selected from the completed 2dF QSO survey as having redshifts and optical colours which are statistically consistent. In this paper we present higher-quality optical spectra of the candidates and discuss the likelihood of their genuinely being systems lensed by massive clusters of galaxies. From a comparison of the spectra it appears that up to six pa...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
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Journal:
Mon.Not.Roy.Astron.Soc.
Volume:
348
Issue:
2
Pages:
395
Publication date:
2002-10-29
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:c991674e-2647-4d13-ac08-b0fe2bfef9f3
Source identifiers:
8277
Local pid:
pubs:8277
Language:
English
Keywords:

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