The anticentre old open cluster NGC 1883: radial velocity and metallicity
- Autores
- Villanova, Sandro; Baume, Gustavo Luis; Carraro, Giovanni
- Año de publicación
- 2007
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Having already reported on the first photometric study of the intermediate-age open cluster NGC 1883, in this paper we present the first spectroscopic multi-epoch investigation of a sample of evolved stars in the same cluster. The aim is to derive the cluster membership, velocity and metallicity, and to discuss recent claims in the literature that NGC 1883 is as metal-poor as globular clusters in the halo. Besides, as it is one of the few outer Galactic disc intermediate-age open clusters known so far, it is an ideal target to improve our knowledge of the Galactic disc radial abundance gradient, which is a basic ingredient for any chemical evolution model of the Milky Way. The new data we have obtained allow us to make the basic parameters of NGC 1883 more reliable. We find that the cluster has a mean metallicity of [Fe/H] = −0.20 ± 0.22, from which we infer an age (650+70 −70 Myr) close to that of Hyades and a Galactocentric distance of 12.3+0.4 −0.2 kpc. The metal abundance, kinematics and position make NGC 1883 a genuine outer disc intermediate-age open cluster. We confirm that in the outer Galactic disc the abundance gradient is shallower than in the solar vicinity.
Facultad de Ciencias Astronómicas y Geofísicas
Instituto de Astrofísica de La Plata - Materia
-
Astronomía
Star clusters
NGC 1883 (galaxia)
Open clusters
Associations
Galaxy - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/93652
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The anticentre old open cluster NGC 1883: radial velocity and metallicityVillanova, SandroBaume, Gustavo LuisCarraro, GiovanniAstronomíaStar clustersNGC 1883 (galaxia)Open clustersAssociationsGalaxyHaving already reported on the first photometric study of the intermediate-age open cluster NGC 1883, in this paper we present the first spectroscopic multi-epoch investigation of a sample of evolved stars in the same cluster. The aim is to derive the cluster membership, velocity and metallicity, and to discuss recent claims in the literature that NGC 1883 is as metal-poor as globular clusters in the halo. Besides, as it is one of the few outer Galactic disc intermediate-age open clusters known so far, it is an ideal target to improve our knowledge of the Galactic disc radial abundance gradient, which is a basic ingredient for any chemical evolution model of the Milky Way. The new data we have obtained allow us to make the basic parameters of NGC 1883 more reliable. We find that the cluster has a mean metallicity of [Fe/H] = −0.20 ± 0.22, from which we infer an age (650+70 −70 Myr) close to that of Hyades and a Galactocentric distance of 12.3+0.4 −0.2 kpc. The metal abundance, kinematics and position make NGC 1883 a genuine outer disc intermediate-age open cluster. We confirm that in the outer Galactic disc the abundance gradient is shallower than in the solar vicinity.Facultad de Ciencias Astronómicas y GeofísicasInstituto de Astrofísica de La Plata2007-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf1089-1096http://sedici.unlp.edu.ar/handle/10915/93652enginfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2966.2007.11986.xinfo:eu-repo/semantics/altIdentifier/issn/0035-8711info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1365-2966.2007.11986.xinfo:eu-repo/semantics/altIdentifier/hdl/11336/41967info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:00:16Zoai:sedici.unlp.edu.ar:10915/93652Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:00:16.662SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| title |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| spellingShingle |
The anticentre old open cluster NGC 1883: radial velocity and metallicity Villanova, Sandro Astronomía Star clusters NGC 1883 (galaxia) Open clusters Associations Galaxy |
| title_short |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| title_full |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| title_fullStr |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| title_full_unstemmed |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| title_sort |
The anticentre old open cluster NGC 1883: radial velocity and metallicity |
| dc.creator.none.fl_str_mv |
Villanova, Sandro Baume, Gustavo Luis Carraro, Giovanni |
| author |
Villanova, Sandro |
| author_facet |
Villanova, Sandro Baume, Gustavo Luis Carraro, Giovanni |
| author_role |
author |
| author2 |
Baume, Gustavo Luis Carraro, Giovanni |
| author2_role |
author author |
| dc.subject.none.fl_str_mv |
Astronomía Star clusters NGC 1883 (galaxia) Open clusters Associations Galaxy |
| topic |
Astronomía Star clusters NGC 1883 (galaxia) Open clusters Associations Galaxy |
| dc.description.none.fl_txt_mv |
Having already reported on the first photometric study of the intermediate-age open cluster NGC 1883, in this paper we present the first spectroscopic multi-epoch investigation of a sample of evolved stars in the same cluster. The aim is to derive the cluster membership, velocity and metallicity, and to discuss recent claims in the literature that NGC 1883 is as metal-poor as globular clusters in the halo. Besides, as it is one of the few outer Galactic disc intermediate-age open clusters known so far, it is an ideal target to improve our knowledge of the Galactic disc radial abundance gradient, which is a basic ingredient for any chemical evolution model of the Milky Way. The new data we have obtained allow us to make the basic parameters of NGC 1883 more reliable. We find that the cluster has a mean metallicity of [Fe/H] = −0.20 ± 0.22, from which we infer an age (650+70 −70 Myr) close to that of Hyades and a Galactocentric distance of 12.3+0.4 −0.2 kpc. The metal abundance, kinematics and position make NGC 1883 a genuine outer disc intermediate-age open cluster. We confirm that in the outer Galactic disc the abundance gradient is shallower than in the solar vicinity. Facultad de Ciencias Astronómicas y Geofísicas Instituto de Astrofísica de La Plata |
| description |
Having already reported on the first photometric study of the intermediate-age open cluster NGC 1883, in this paper we present the first spectroscopic multi-epoch investigation of a sample of evolved stars in the same cluster. The aim is to derive the cluster membership, velocity and metallicity, and to discuss recent claims in the literature that NGC 1883 is as metal-poor as globular clusters in the halo. Besides, as it is one of the few outer Galactic disc intermediate-age open clusters known so far, it is an ideal target to improve our knowledge of the Galactic disc radial abundance gradient, which is a basic ingredient for any chemical evolution model of the Milky Way. The new data we have obtained allow us to make the basic parameters of NGC 1883 more reliable. We find that the cluster has a mean metallicity of [Fe/H] = −0.20 ± 0.22, from which we infer an age (650+70 −70 Myr) close to that of Hyades and a Galactocentric distance of 12.3+0.4 −0.2 kpc. The metal abundance, kinematics and position make NGC 1883 a genuine outer disc intermediate-age open cluster. We confirm that in the outer Galactic disc the abundance gradient is shallower than in the solar vicinity. |
| publishDate |
2007 |
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2007-12 |
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article |
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publishedVersion |
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http://sedici.unlp.edu.ar/handle/10915/93652 |
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eng |
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eng |
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