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Direct observational test rules out small MgII absorbers

Abstract:

Recent observations suggest that the incidence of strong intervening Mg II absorption systems along the line of sight to gamma-ray burst afterglows is significantly higher than expected from analogous quasar sightlines. One possible explanation is a geometric effect, arising because Mg II absorbers only partially cover the quasar continuum regions, in which case Mg II absorbers must be considerably smaller than previous estimates. We investigate the production of abnormal absorption profiles ...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
381
Issue:
1
Pages:
L99-L103
Publication date:
2007-10-11
DOI:
EISSN:
1745-3933
ISSN:
0035-8711
URN:
uuid:fdb5c253-eb3c-4c7a-a89d-cea9e2abff81
Source identifiers:
158074
Local pid:
pubs:158074
Language:
English
Keywords:

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