QSO Selection and Photometric Redshifts with Neural Networks

Details QSO Selection and Photometric Redshifts with Neural Networks QSO Selection and Photometric Redshifts with Neural Networks

2009-10-20

arxiv.org/abs/0910.3770v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

7 pages, 7 figures, submitted to A&A

Scientific paper

Baryonic Acoustic Oscillations (BAO) and their effects on the matter power spectrum can be studied by using the Lyman-alpha absorption signature of the matter density field along quasar (QSO) lines of sight. A measurement sufficiently accurate to provide useful cosmological constraints requires the observation of ~100000 quasars in the redshift range 2.2

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