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Calibrating photometric redshifts with intensity mapping observations

Abstract:

Imaging surveys of galaxies will have a high number density and angular resolution yet a poor redshift precision. Intensity maps of neutral hydrogen will have accurate redshift resolution yet will not resolve individual sources. Using this complementarity, we show how the clustering redshifts approach proposed for spectroscopic surveys can also be used in combination with intensity mapping observations to calibrate the redshift distribution of galaxies in an imaging survey and, as a result, r...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevD.96.043515

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Oxford college:
St Cross College
Role:
Author
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Funding agency for:
Alonso, D
More from this funder
Funding agency for:
Alonso, D
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review D Journal website
Volume:
96
Issue:
4
Article number:
043515
Publication date:
2017-08-16
Acceptance date:
2017-07-28
DOI:
EISSN:
2470-0029
ISSN:
2470-0010
Source identifiers:
688695
Keywords:
Pubs id:
pubs:688695
UUID:
uuid:5fdad5f8-8ded-4543-abfc-9c5b6b8d4440
Local pid:
pubs:688695
Deposit date:
2017-08-17

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