Lick line-index and photometry of globular clusters (Puzia+, 2004)

Details Lick line-index and photometry of globular clusters (Puzia+, 2004) Lick line-index and photometry of globular clusters (Puzia+, 2004)

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ycat..34150123p&link_type=abstract

VizieR On-line Data Catalog: J/A+A/415/123. Originally published in: 2004A&A...415..123P

Mathematics

Logic

Clusters: Globular, Photometry, Radial Velocities

Scientific paper

The catalog contains Lick line-index and photometric measurements of extragalactic globular clusters in seven early-type galaxies (NGC 1380, 2434, 3115, 3379, 3585, 5846, and 7192) with different morphological types (E/S0) located in field and group/cluster environments.
High-quality spectra were taken with the FORS2 instrument at ESO's Very Large Telescope. ~50% of our data allows an age resolution {Delta}t/t~0.3 and a metallicity resolution ~0.25-0.4dex, depending on the absolute metallicity. Globular cluster candidates are selected from deep B, V, R, I, K FORS2/ISAAC photometry with 80-100% success rate inside one effective radius. Using combined optical/near-infrared colour-colour diagrams we present a method to efficiently reduce fore-/background contamination down to <~10%.
(4 data files).

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