Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-01-07
Astron.Astrophys. 417 (2004) 827-832
Astronomy and Astrophysics
Astrophysics
17 pages, 2 figures, in press in A&A
Scientific paper
10.1051/0004-6361:20052923
We extend the formalism of the relativistic thermal and kinematical Sunyaev-Zeldovich effects to the observer's system (the Solar System) moving with a velocity $\beta_{S}$ with respect to the cosmic microwave background radiation. We confirm the results recently obtained by Chluba, Huetsi, and Sunyaev in the lowest order of the observer's velocity $\beta_{S}. We give a more general analytic expression for the thermal and kinematical Sunyaev-Zeldovich effects corresponding to the observer's system with the power series expansion approximation in terms of $\theta_{e}$. It is found that the effect of the motion of the observer on the Sunyaev-Zeldovich effect will become important in the future high precision observation projects of the Sunyaev-Zeldovich effect.
Itoh Naoki
Kohyama Yasuharu
Nozawa Satoshi
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