期刊
ASTROPHYSICAL JOURNAL
卷 823, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.3847/0004-637X/823/1/17
关键词
galaxies: high-redshift; galaxies: starburst; gravitational lensing: strong; sub-millimeter: galaxies
资金
- NSF [AST-1313319, ATI-0838178]
- NSF REU [AST-1313319]
- NASA
- European Research Council [321302]
- European Union COFUND/Durham Junior Research Fellowship [267209]
- STFC [ST/L00075X/1]
- Spanish MINECO [AYA2010-21697-C05-4, FIS2012-39162-C06-02, ESP2013-47809-C3-3-R]
- Science and Technology Facilities Council [ST/L000652/1]
- W.M. Keck Foundation
- INSU/CNRS (France)
- MPG (Germany)
- IGN (Spain)
- Gordon and Betty Moore Foundation
- Kenneth T. and Eileen L. Norris Foundation
- James S. McDonnell Foundation
- University of Chicago
- state of California
- state of Illinois
- state of Maryland
- National Science Foundation
- CARMA
- European Union Seventh Framework Programme [607254]
- Science and Technology Facilities Council [ST/L000652/1, ST/L00075X/1] Funding Source: researchfish
- STFC [ST/L000652/1, ST/K000926/1, ST/L00075X/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [0955810] Funding Source: National Science Foundation
We present a list of candidate gravitationally lensed dusty star-forming galaxies (DSFGs) from the HerMES Large Mode Survey and the Herschel Stripe 82 Survey. Together, these partially overlapping surveys cover 372 deg(2) on the sky. After removing local spiral galaxies and known radio-loud blazars, our candidate list of lensed DSFGs is composed of 77 sources with 500 mu m flux densities (S-500) greater than 100 mJy. Such sources are dusty starburst galaxies similar to the first bright sub-millimeter galaxies (SMGs) discovered with SCUBA. We expect a large fraction of this list to be strongly lensed, with a small fraction made up of bright SMG-SMG mergers that appear as hyper-luminous infrared galaxies (L-IR > 10(13) L-circle dot). Thirteen of the 77 candidates have spectroscopic redshifts from CO spectroscopy with ground-based interferometers, putting them at z > 1 and well above the redshift of the foreground lensing galaxies. The surface density of our sample is 0.21 +/- 0.03 deg(-2). We present follow-up imaging of a few of the candidates to confirm their lensing nature. The sample presented here is an ideal tool for higher-resolution imaging and spectroscopic observations to understand the detailed properties of starburst phenomena in distant galaxies.
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