The Ariel V (SSI) catalogue of high galactic latitude ( b > 10 ) X-ray sources

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Abstract
The 2A catalogue is the result of 10 000 orbits of observation by the Leicester University Sky Survey Instrument on the Ariel V satellite and it contains 105 X-ray sources with |b| > 10°. The procedures and criteria used in establishing these sources and measuring their intensities and positions are described. As a consequence of the comparatively small error boxes (0.1 to 0.5 square degree) and the sensitivity limit of the survey (90 per cent of the sky to better than 1.2 Ariel count/s ≈ 3.2 Uhuru count/s), new optical identifications are suggested.