The dependence of the Lyman_a luminosity function on Redshift using SHARDS

Details The dependence of the Lyman_a luminosity function on Redshift using SHARDS The dependence of the Lyman_a luminosity function on Redshift using SHARDS

2012-01-23

arxiv.org/abs/1201.4727v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

2 pages, 2 figures, Conference paper

Scientific paper

We report in this work on a project aimed at determining Ly{\alpha} luminosity functions from z=3 to z=6. The project is based on the use of very deep photometry from the SHARDS Survey, in a set of 24 medium band filters in the GOODS-N field. We present here some preliminary work carried out with four test images in four consecutive bands. We use the narrow band selection technique for searching emission line candidates. Eleven candidates have been detected so far, many of which are strong Ly{\alpha} candidates. In particular, we have seen a firm candidate to an interacting pair of Ly{\alpha} sources at z=5.4.

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