First measurement of the submillimeter Sunyaev-Zeldovich effect

被引:50
作者
Lamarre, JM
Giard, M
Pointecouteau, E
Bernard, JP
Serra, G
Pajot, F
Désert, FX
Ristorcelli, I
Torre, JP
Church, S
Coron, N
Puget, JL
Bock, JJ
机构
[1] Univ Paris 11, Inst Astrophys Spatiale, F-91405 Orsay, France
[2] Ctr Etud Spatiale Rayonnements, F-31028 Toulouse, France
[3] CNRS, Serv Aeron, F-91371 Verrieres Buisson, France
[4] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA
[5] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
关键词
balloons; cosmic microwave background; dust; extinction; galaxies : clusters : individual (A2163); infrared : general;
D O I
10.1086/311678
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report the first detection of the Sunyaev-Zeldovich (S-Z) increment on the cosmic microwave background at submillimeter wavelengths in the direction of a cluster of galaxies. It was achieved toward the rich cluster Abell 2163, using the PRONAOS 2 m stratospheric telescope. Together with data from the SuZIE, Diabolo, and ISO-PHT experiments, these measurements, for the first time, give a complete picture of the far-infrared-to-millimeter spectral energy distribution of the diffuse emission toward a cluster of galaxies. It clearly shows the positive and negative parts of the S-Z effect and also a positive signal at short wavelengths that can be attributed to foreground dust in our Galaxy.
引用
收藏
页码:L5 / L8
页数:4
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