Search Results for author: Michael T. Busha

Found 3 papers, 2 papers with code

Gravitationally Consistent Halo Catalogs and Merger Trees for Precision Cosmology

no code implementations19 Oct 2011 Peter S. Behroozi, Risa H. Wechsler, Hao-Yi Wu, Michael T. Busha, Anatoly A. Klypin, Joel R. Primack

We find that both the ROCKSTAR and BDM halo finders track halos extremely well; in both, the number of halos which do not have physically consistent progenitors is at the 1-2% level across all halo masses.

Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics

ArborZ: Photometric Redshifts Using Boosted Decision Trees

1 code implementation27 Aug 2009 David W. Gerdes, Adam J. Sypniewski, Timothy A. McKay, Jiangang Hao, Matthew R. Weis, Risa H. Wechsler, Michael T. Busha

Precision photometric redshifts will be essential for extracting cosmological parameters from the next generation of wide-area imaging surveys.

Cosmology and Nongalactic Astrophysics

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