Narrow-band photometry and the evolution of galaxies. II - Results for the fields of A115 and A227

Details Narrow-band photometry and the evolution of galaxies. II - Results for the fields of A115 and A227 Narrow-band photometry and the evolution of galaxies. II - Results for the fields of A115 and A227

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...328..463r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 328, May 15, 1988, p. 463-474.

Astronomy and Astrophysics

Astrophysics

20

Astronomical Photometry, Galactic Clusters, Galactic Evolution, Red Shift, Elliptical Galaxies, Emission Spectra, Spiral Galaxies, Star Formation, Stellar Evolution

Scientific paper

Deep CCD observations of A115 and A227 are presented using narrow-band filters imitating the Strömgren v, b, y passbands at the redshift of these clusters. Selection criteria are discussed to eliminate contamination by stars, peculiar objects, spiral galaxies, and foreground/background galaxies. The mean colors of both clusters are, within the observational errors, comparable to recently published data for A665. Statistical significance is obtained through sampling a large number of galaxies per cluster.

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