The open cluster NGC 6193: another cluster rich in spectroscopic binaries

From spectro-graphic observations of probable members of NGC 6193 we have obtained their radial velocities, projected axial rotational velocities and approximate spectral types. We computed the average axial rotation with respect to the field stars for the member of NGC 6193 as 0.67 ± 0.08; and an a...

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Autores principales: Arnal, Edmundo Marcelo, Morrell, Nidia Irene, García, Beatriz, Levato, Orlando Hugo
Formato: Articulo Comunicacion
Lenguaje:Español
Publicado: 1988
Materias:
Astronomía
Galaxia
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/142411
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-142411
record_format dspace
spelling I19-R120-10915-1424112024-09-09T18:48:06Z http://sedici.unlp.edu.ar/handle/10915/142411 The open cluster NGC 6193: another cluster rich in spectroscopic binaries Arnal, Edmundo Marcelo Morrell, Nidia Irene García, Beatriz Levato, Orlando Hugo 1988 2022-09-20T16:05:23Z es Astronomía Galaxia From spectro-graphic observations of probable members of NGC 6193 we have obtained their radial velocities, projected axial rotational velocities and approximate spectral types. We computed the average axial rotation with respect to the field stars for the member of NGC 6193 as 0.67 ± 0.08; and an average heliocentric radial velocity for the cluster of -33.1 km/sec. Six new spectroscopic binaries and a He-rich star were discovered. We compare the high incidence of spectroscopic binaries among the main sequence members of NGC 6193 with clusters of similar average axial rotation. Asociación Argentina de Astronomía Articulo Comunicacion http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Astronomía
Galaxia
spellingShingle Astronomía
Galaxia
Arnal, Edmundo Marcelo
Morrell, Nidia Irene
García, Beatriz
Levato, Orlando Hugo
The open cluster NGC 6193: another cluster rich in spectroscopic binaries
topic_facet Astronomía
Galaxia
description From spectro-graphic observations of probable members of NGC 6193 we have obtained their radial velocities, projected axial rotational velocities and approximate spectral types. We computed the average axial rotation with respect to the field stars for the member of NGC 6193 as 0.67 ± 0.08; and an average heliocentric radial velocity for the cluster of -33.1 km/sec. Six new spectroscopic binaries and a He-rich star were discovered. We compare the high incidence of spectroscopic binaries among the main sequence members of NGC 6193 with clusters of similar average axial rotation.
format Articulo
Comunicacion
author Arnal, Edmundo Marcelo
Morrell, Nidia Irene
García, Beatriz
Levato, Orlando Hugo
author_facet Arnal, Edmundo Marcelo
Morrell, Nidia Irene
García, Beatriz
Levato, Orlando Hugo
author_sort Arnal, Edmundo Marcelo
title The open cluster NGC 6193: another cluster rich in spectroscopic binaries
title_short The open cluster NGC 6193: another cluster rich in spectroscopic binaries
title_full The open cluster NGC 6193: another cluster rich in spectroscopic binaries
title_fullStr The open cluster NGC 6193: another cluster rich in spectroscopic binaries
title_full_unstemmed The open cluster NGC 6193: another cluster rich in spectroscopic binaries
title_sort open cluster ngc 6193: another cluster rich in spectroscopic binaries
publishDate 1988
url http://sedici.unlp.edu.ar/handle/10915/142411
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