Abstract

Abstract We report some recent of the Tenerife experiments. On a strip at Dec = +40° we have identified structure in the microwave sky at several frequencies. Clear evidence is found for a feature centred at RA ∼ 185° with a peak amplitude of 80 μK. A statistical analysis of the data at this declination reveals the presence of signal at an rms of 42 ± 9 μK. Assuming a model of a Harrison–Zeldovich spectrum of fluctuations, we infer an expected quadrupole term of 25-7 +9 μK. The radiometers are now observing adjacent bands of the sky separated 2.5 degrees in declination; some of the preliminary results obtained in these adjacent scans are discussed.

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