The results of the Tenerife cosmic microwave background (CMB) experiments are presented. These observations cover 5000 and 6500 deg2 on the sky at 10 and 15 GHz, respectively, centered on decl.~+35deg. The experiments are sensitive to multipoles l=10-30 that correspond to the Sachs-Wolfe plateau of the CMB power spectra. The sensitivity values of

We describe the ROSAT International X-ray/Optical Survey (RIXOS), a medium-sensitivity survey and optical identification of X-ray sources discovered in ROSAT high Galactic latitude fields (|b|>28 deg) and observed with the Position Sensitive Proportional Counter (PSPC) detector. The survey made use of the central 17arcmin of each ROSAT field. A

We present morphological and photometric properties of 79 low redshift (z=-24.0 with a clear trend for FRI sources to be ~ 0.5 mag brighter than FRII galaxies. In about 40% of the objects observed we find an excess of light in the nucleus that is attributed to the presence of a nuclear point source whose luminosity is on average ~ 1-2% of the total

The luminosity function of the globular cluster Palomar 1 is determined together with its confidence interval by applying an adaptive kernel estimator to data from the Isaac Newton Telescope. The luminosity function of Palomar 1 has two minima in the V band and one in the I band. The cluster core contains a relatively high fraction of bright stars

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The solar rotation rate at latitudes 0 deg, 15 deg and 30 deg has been inferred by averaging the results of 120 regions of 15 degx15 deg, which have been studied over a total area of about 75 deg in latitude and 360 deg in longitude. A local helioseismology technique, the ring diagram analysis method, has been used to analyse the horizontal