BVR photometry in Abell 1689 (Duc+, 2002)

Details BVR photometry in Abell 1689 (Duc+, 2002) BVR photometry in Abell 1689 (Duc+, 2002)

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat..33820060d&link_type=abstract

VizieR On-line Data Catalog: J/A+A/382/60. Originally published in: 2002A&A...382...60D

Mathematics

Logic

Clusters: Galaxy, Galaxies: Photometry, Redshifts, Infrared Sources

Scientific paper

At a redshift of 0.18, Abell 1689 is so far the most distant cluster of galaxies for which substantial mid-infrared (MIR) data have been published. Its mapping with the ISOCAM camera onboard the ISO satellite allowed the detection of 30 cluster members at 6.75μm (LW2 filter) and 16 cluster members at 15μm (LW3 filter) within a clustercentric radius of 0.5Mpc (Fadda et al., 2000A&A...361..827F, Paper I). We present here the follow-up optical photometric and spectroscopic observations which were used to study the individual properties of the galaxy members of A1689. We confirm the high fraction of blue galaxies initially reported in this rich cluster by Butcher & Oemler (1984ApJ...285..426B), that was challenged by some subsequent studies. We discuss the spectral and morphological properties of all cluster members in our spectroscopic sample, and of the MIR-detected galaxies in particular. (4 data files).

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