We report on observations of the Sunyaev-Zeldovich effect toward X-ray ROSAT clusters taken with a double-channel (1.2 and 2 mm) photometer installed at the focus of the 15 m Swedish ESO Submillimeter Telescope antenna in Chile. This paper describes the first results obtained for the high-z clusters S1077, A2744, and S295. Marginal detections were found for A2744, and at 1 mm for S1077. We discuss these data in terms of contamination of sources along the line of sight and give a constraint on the amplitude of the kinematic effect.
The Astrophysical Journal
- Pub Date:
- March 1996
- COSMOLOGY: COSMIC MICROWAVE BACKGROUND;
- 17 pg Latex file (using aasms4.sty) gzip'd tar'd uuencoded file including 1 ps figure, ApJ Letter in press