- Abstract:
-
We have undertaken deep optical imaging observations of three 6.2 < z < 6.5 quasar fields in the i′ and z′ filters. These data are used to search for foreground galaxies that are gravitationally lensing the quasars and distant galaxies physically associated with the quasars. Foreground galaxies are found closer than 5″ to the lines of sight of two of the three quasars. However, the faintness of these galaxies suggests that they have fairly low masses and provide only weak magnifications...
Expand abstract - Publisher copy:
- 10.1086/430168
-
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- Publisher:
- Institute of Physics Publishing
- Journal:
- Astrophysical Journal
- Volume:
- 626
- Issue:
- 2 I
- Pages:
- 657-665
- Publication date:
- 2005-06-20
- DOI:
- EISSN:
-
1538-4357
- ISSN:
-
0004-637X
- URN:
-
uuid:7a1425c6-c2e9-430c-9c0f-30908bdbb10a
- Source identifiers:
-
335535
- Local pid:
- pubs:335535
- Language:
- English
- Keywords:
- Copyright date:
- 2005
Journal article
Imaging of SDSS z > 6 quasar fields: Gravitational lensing, companion galaxies, and the host dark matter halos
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