Masaq Index
arXiv 1998-07-15 0 views

ESO Imaging Survey V. Cluster Search using Color Data

Olsen, L. F. · Scodeggio, M. · da Costa, L. · Slijkhuis, R. · Benoist, C. · Bertin, E. · Deul, E. · Erben, T. · Guarnieri, M. D. · Hook, R. · Nonino, M. · Prandoni, I. · Wicenec, A. · Zaggia, S.

Original · EN

This paper presents 19 additional candidate clusters detected using the galaxy catalog extracted from the I-band images taken for the ESO Imaging Survey (EIS). The candidates are found over a region of 1.1 square degrees, located near the South Galactic Pole. Combined with the sample reported earlier, the number of candidates in the Southern Galactic Cap is now 54 over a total area of 3.6 square degrees. Images in V band are also available over 2.7 square degrees, and galaxy catalogs extracted from them over a uniform area of 2 square degrees have been used to further explore the reality of the I cluster candidates. Nearly all the I candidates with estimated redshifts < 0.5 are also identified in V. At higher redshifts, only rich candidates are detected in both bands.

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