High-precision radial velocities for faint giants. I - MMT echelle results for globular cluster stars

Details High-precision radial velocities for faint giants. I - MMT echelle results for globular cluster stars High-precision radial velocities for faint giants. I - MMT echelle results for globular cluster stars

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...307..139p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 307, Aug. 1, 1986, p. 139-142.

Astronomy and Astrophysics

Astrophysics

31

Giant Stars, Globular Clusters, Late Stars, Radial Velocity, Accuracy, Cross Correlation

Scientific paper

Velocities of accuracy 0.5 - 2.5 km s-1 are presented for 21 giants in eight nearby globular clusters, and for eight giants in four clusters located farther than 80 kpc from the galactic center. The measurements for the nearby cluster giants provide secondary velocity standards for cool metal-poor stars, while those of the remote giants allow more accurate cluster velocities to be derived.

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