Galaxy tagging : photometric redshift refinement and group richness enhancement

Article, Preprint English OPEN
Kafle, P. R.; Robotham, A. S. G.; Driver, S. P.; Deeley, S.; Norberg, P.; Drinkwater, M. J.; Davies, L. J.;
  • Publisher: Oxford University Press
  • Related identifiers: doi: 10.1093/mnras/sty1536
  • Subject: QC Physics | QB | QC | general [Galaxies] | 3rd-DAS | Astrophysics - Astrophysics of Galaxies | QB Astronomy | haloes [Galaxies] | groups: general [Galaxies]
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Instrumentation and Methods for Astrophysics

We present a new scheme, galtag, for refining the photometric redshift measurements of faint galaxies by probabilistically tagging them to observed galaxy groups constructed from a brighter, magnitude-limited spectroscopy survey. First, this method is tested on the DESI... View more
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