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The CALYMHA survey: Lyα luminosity function and global escape fraction of Lyα photons at z  = 2.23

Abstract:

We present the CAlibrating LYMan-α with Hα (CALYMHA) pilot survey and new results on Lyman α (Lyα) selected galaxies at z ∼ 2. We use a custom-built Lyα narrow-band filter at the Isaac Newton Telescope, designed to provide a matched volume coverage to the z = 2.23 Hα HiZELS survey. Here, we present the first results for the COSMOS and UDS fields. Our survey currently reaches a 3σ line flux limit of ∼4 × 10−17 erg s−1 cm−2, and a Lyα luminosity limit of ∼1042.3 erg s−1. We find 188 Lyα emitter...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/mnras/stw3090

Authors


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Royal Society More from this funder
European Southern Observatory More from this funder
Netherlands Organisation for Scientific Research More from this funder
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
466
Issue:
1
Pages:
1242-1258
Publication date:
2016-11-01
Acceptance date:
2016-11-25
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
821162
Keywords:
Pubs id:
pubs:821162
UUID:
uuid:c49c2d2c-0c30-4204-991f-5500694d7e82
Local pid:
pubs:821162
Deposit date:
2018-01-24

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