ACT Data Products - 2008 SZ Templates

Download Links:


The angular power spectra due to the Sunyaev-Zeldovich effect as predicted by four different models (named TBO-1, TBO-2, Battaglia, Shaw) are supplied for the 148 GHZ ACT frequency.

They are all computed for sigma8=0.8, and other cosmological parameters matching the WMAP best-fit LCDM model. Their descriptions are given in the following papers:

  • "Simulations of the Microwave Sky," N. Sehgal (TBO-1) (2010) [eprint arXiv:0908.0540]
  • "Templates for the Sunyaev-Zel'dovich Angular Power Spectrum," H. Trac, P. Bode & J. Ostriker (2010) ( TBO-2) [eprint arXiv:1006.2828]
  • "Impact of Cluster Physics on the Sunyaev-Zel'dovich Power Spectrum," L. Shaw (2010) (Shaw) [eprint arXiv:1006.1945]
  • "Simulations of the Sunyaev-Zel'dovich Power Spectrum with AGN Feedback," N. Battaglia (2010) (Battaglia) [eprint arXiv:1003.4256]

The spectra are supplied in a text file with two columns:
-The multipole moment l
-The 148GHz spectrum in μK2, l(l+1)C_l/2pi

There are six files
-'cl_tsz_148_tbo1.dat' is the tSZ predicted by TBO-1
-'cl_tsz_148_tbo2.dat' is the tSZ predicted by TBO-2
-'cl_tsz_148_batt.dat' is the tSZ predicted by Battaglia
-'cl_tsz_148_shaw.dat' is the tSZ predicted by Shaw
-'cl_ksz_148_tbo.dat' is the kSZ predicted by TBO-1
-'cl_tksz_148_tbo1.dat' is the combined tSZ+kSZ signal predicted by TBO-1

Additional Details

  • "The Atacama Cosmology Telescope: Cosmological Parameters from the 2008 Power Spectra," J. Dunkley, (2010) [eprint arXiv:1009.0866]

Back To ACT (MBAC): Derived CMB Products from 2008 Data

A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Andrew F. Ptak
LAMBDA Director: Dr. Thomas M. Essinger-Hileman
NASA Official: Dr. Thomas M. Essinger-Hileman
Web Curator: Mr. Michael R. Greason