The Globular Cluster System of NGC 1399. III. VLT Spectroscopy and Database | Zendy

B. Dirsch | Zendy; T. Richtler | Zendy; D. Geisler | Zendy; Karl Gebhardt | Zendy; M. Hilker | Zendy; M. V. Alonso | Zendy; J. C. Forte | Zendy; E. K. Grebel | Zendy; L. Infante | Zendy; S. S. Larsen | Zendy; D. Minniti | Zendy; M. Rejkuba | Zendy

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The Globular Cluster System of NGC 1399. III. VLT Spectroscopy and Database

Author(s) -

B. Dirsch,

T. Richtler,

D. Geisler,

Karl Gebhardt,

M. Hilker,

M. V. Alonso,

J. C. Forte,

E. K. Grebel,

L. Infante,

S. S. Larsen,

D. Minniti,

M. Rejkuba

Publication year - 2004

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/380607

Subject(s) - globular cluster , physics , astrophysics , fornax cluster , cluster (spacecraft) , galaxy , very large telescope , galaxy cluster , astronomy , computer science , programming language

Radial velocities of 468 globular clusters around NGC 1399, the centralgalaxy in the Fornax cluster, have been obtained with FORS2 and the MaskExchange Unit (MXU) at the ESO Very Large Telescope. This is the largest sampleof globular cluster velocities around any galaxy obtained so far. The meanvelocity uncertainty is 50 km/sec. This data sample is accurate and largeenough to be used in studies of the mass distribution of NGC 1399 and theproperties of its globular cluster system. Here we describe the observations,the reduction procedure, and discuss the uncertainties of the resultingvelocities. The complete sample of cluster velocities which is used in adynamical study of NGC 1399 is tabulated. A subsample is compared withpreviously published values.Comment: 34 pages, 9 figures, 2 tables, accepted by A

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