M. E. Arnal
National University of La Plata
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Publication
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Publications of the Astronomical Society of the Pacific | 1988
M. E. Arnal; Nidia I. Morrell; B. Garcia; Hugo Levato
From spectrographic observations of probable members of NGC 6193 the authors have obtained radial velocities, projected axial rotational velocities, and approximate spectral types. They computed the average axial rotation with respect to the field stars for the members of NGC 6193 as 0.67±0.08 and an average heliocentric radial velocity for the cluster of -33.1 km sec-1. Six new spectroscopic binaries and a He-rich star were discovered. The authors compare the high incidence of spectroscopic binaries among the main-sequence members of NGC 6193 with clusters of similar average axial rotation.
Monthly Notices of the Royal Astronomical Society | 2003
G. L. Bosch; R. H. Barbá; Nidia I. Morrell; V. S. Niemela; Pablo G. Ostrov; M. E. Arnal; Cristina E. Cappa; Ricardo Morras; Guillermo Giménez De Castro
Archive | 2006
Gloria M. Dubner; E. B. Giacani; M. E. Arnal; Hugo Levato; Ricardo Morras; Estela Marta Reynoso
Archive | 1998
E. Bajaja; Ricardo Morras; M. E. Arnal; W. G. L. Poppel
Archive | 1996
V. S. Niemela; Nidia I. Morrell; R. H. Barbá; Pablo G. Ostrov; Guillermo L. Bosch; M. E. Arnal; Cristina E. Cappa; Ricardo Morras; Guillermo Giménez De Castro
Archive | 1996
E. Bajaja; Ricardo Morras; M. E. Arnal; W. G. L. Poppel; Richard Wielebinski
Archive | 1996
M. E. Arnal; E. Bajaja; Ricardo Morras; W. G. L. Poppel
Archive | 1996
M. E. Arnal; Cristina E. Cappa; J. R. Rizzo; S. Cichovolski
Archive | 1996
M. E. Arnal; Nidia I. Morrell
Archive | 1988
M. E. Arnal; Nidia I. Morrell; B. Garcia; H. Levato
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