Radial velocities in Omega Cen (NGC5139) (Reijns+, 2006)

Details Radial velocities in Omega Cen (NGC5139) (Reijns+, 2006) Radial velocities in Omega Cen (NGC5139) (Reijns+, 2006)

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ycat..34450503r&link_type=abstract

VizieR On-line Data Catalog: J/A+A/445/503. Originally published in: 2006A&A...445..503R

Computer Science

Clusters: Globular, Radial Velocities

Scientific paper

List of 1966 radial velocity measurements of stars in globular cluster Omega Centauri (NGC 5139) taken with the ARGUS multi-object spectrometer at the CTIO 4m Blanco telescope. All the stars have a B magnitude brighter than 16.5. The median error is less than 2km/s. The stars are numbered using their LID (Leiden Identification Number) from van Leeuwen et.al. (2000, Cat. ). In a companion paper by van de Ven et al. (2006A&A...445..513V), we correct these radial velocities for the perspective rotation caused by the space motion of the cluster.
Additionaly 339 stars where measured. These consist of (i) 87 stars with B-V<0.4, (ii) 252 stars not in the van Leeuwen et al. catalog. We suspect that that many of these stars have an erroneous value for their radial velocity.
(2 data files).

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