A small drift scan survey for galaxies in the northern sky

Astronomy and Astrophysics – Astronomy

Scientific paper

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Astronomical Photometry, Charge Coupled Devices, Galactic Structure, Northern Sky, Red Shift, Sky Surveys (Astronomy), Angular Distribution, Astronomical Observatories, Photographic Measurement, Photographic Plates

Scientific paper

CCD photometry has been obtained for 1054 galaxies to a limiting magnitude rW = 18.0 in a narrow strip of the sky 12 arcmin wide by 60 deg long. The data are being used to calibrate photographic photometry as part of a parallel redshift survey, but can also be used to study the projected distribution of galaxies on large angular scales free from systematic effects that are present in photographic surveys. Fluctuations in the number density of order 20 percent are seen on angular scales of 5 deg and apparently correlate with the distribution of Abell Clusters that lie within 2 deg of the strip.

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