Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...417..827i&link_type=abstract
Astronomy and Astrophysics, v.417, p.827-832 (2004)
Astronomy and Astrophysics
Astrophysics
19
Cosmology: Cosmic Microwave Background, Cosmology: Theory, Galaxies: Clusters: General, Radiation Mechanisms: Thermal, Relativity
Scientific paper
We present an accurate numerical table for the relativistic corrections to the thermal Sunyaev-Zeldovich effect for clusters of galaxies. The numerical results for the relativistic corrections have been obtained by numerical integration of the collision term of the Boltzmann equation. The numerical table is provided for the ranges 0.002 ≤ θe ≤ 0.100 and 0 ≤ X ≤ 20, where θe ≡ kBT_e/mec2, X ≡ hbar ω/kBT_0, Te is the electron temperature, ω is the angular frequency of the photon and T0 is the temperature of the cosmic microwave background radiation. We also present an accurate analytic fitting formula that reproduces the numerical results with high precision.
Tables 1-5 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/417/827
Itoh Naoki
Nozawa Satoshi
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