Physics
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ycat..35359039m&link_type=abstract
VizieR On-line Data Catalog: J/A+A/535/A39. Originally published in: 2011A&A...535A..39M
Physics
Clusters: Open, Radial Velocities, Velocity Dispersion
Scientific paper
We derived homogeneous radial velocity measurements for stars located at the turn-off, sub-giant, red-giant branch, red-clump, and blue straggler regions of the cluster. We also analyzed a comparison sample of surrounding field stars. Spectra were obtained with the UVES and GIRAFFE spectrographs at the VLT during three epochs in August 2008.
The photometric data that appear in this work are based on two major photometric campaigns conducted at the 2.2m La Silla Telescope in 2004 and 2009 respectively. The 2004 photometric campaign was conducted during June 2004 (program ID:073.C-0227[A]). In April 2009, we used the 2.2m Telescope in La Silla for 14 consecutive nights between 1-14 April during Max Planck Institute for Extraterrestrial Physics reserved time (program ID:083.A-9001[A]). Only part of the time was allocated to NGC 6253 observations
The spectroscopic observations were obtained using the FLAMES facility at the UT2 (Kueyen telescope), in Paranal, Chile. The data were obtained during three nights between August 17, 2008 and August 25, 2008.
(3 data files).
Bedin Luigi R.
de Marchi F.
Desidera Silvano
Koppenhoefer Johannes
Montalto Marco
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