Photometric membership and metallicities of red giant candidates in selected open clusters

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As part of a long-term project to determine abundances and astrophysical properties of evolved red stars in open clusters, we present high-precision DDO photoelectric observations for a sample of 33 red giant candidates projected in the fields of nine Galactic open clusters. These data are supplemen...

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Detalles Bibliográficos
Autor principal: Claría, J.J
Otros Autores: Piatti, A.E, Mermilliod, J.-C, Palma, T.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2008
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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024 7 |2 scopus  |a 2-s2.0-55549130281 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
100 1 |a Claría, J.J. 
245 1 0 |a Photometric membership and metallicities of red giant candidates in selected open clusters 
260 |c 2008 
270 1 0 |m Claría, J. J.; Observatorio Astronómico, Laprida 854, 5000 Córdoba, Argentina; email: claria@oac.uncor.edu 
506 |2 openaire  |e Política editorial 
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520 3 |a As part of a long-term project to determine abundances and astrophysical properties of evolved red stars in open clusters, we present high-precision DDO photoelectric observations for a sample of 33 red giant candidates projected in the fields of nine Galactic open clusters. These data are supplemented with UBV photoelectric photometry of 24 of these stars as well as with CORAVEL radial-velocity observations for 13 red giant candidates in four of the clusters. We also present Washington photoelectric photometry of a small sample of red giant candidates of the open cluster Ruprecht 97. The likelihood of cluster membership for each star photometrically observed and for 23 additional red giant candidates with UBV and DDO data available in the literature, is evaluated by using two independent photometric criteria. Nearly 82% of the analysed stars are found to have a high probability of being cluster giants. Photometric membership probabilities show very good agreement with those obtained from CORAVEL radial velocities. While E(B - V) colour excesses were determined from combined B - V and DDO colours, calibrations of the DDO system were used to derive MK spectral types, effective temperatures and metallicities. The derived DDO metallicities range between values typical of moderately metal-poor clusters ([Fe/H] = -0.19) to moderately metal-rich ([Fe/H] = 0.25) ones. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.  |l eng 
593 |a Observatorio Astronómico, Laprida 854, 5000 Córdoba, Argentina 
593 |a Instituto de Astronomía Y Física del Espacio, CC 67, Suc. 28, 1428 Buenos Aires, Argentina 
593 |a Laboratoire d'Astrophysique, l'École Polytechnique Fédérale de Lausanne, Observatoire, 1290 Sauverny, Switzerland 
690 1 0 |a OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL (NGC2360, NGC2423, NGC2437, NGC2482, NGC6425, LODEN 807) 
690 1 0 |a STARS: ABUNDANCES 
690 1 0 |a TECHNIQUES: PHOTOMETRY 
690 1 0 |a TECHNIQUES: RADIAL VELOCITIES 
700 1 |a Piatti, A.E. 
700 1 |a Mermilliod, J.-C. 
700 1 |a Palma, T. 
773 0 |d 2008  |g v. 329  |h pp. 609-618  |k n. 6  |p Astron. Nachr.  |x 00046337  |t Astronomische Nachrichten 
856 4 1 |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-55549130281&doi=10.1002%2fasna.200710970&partnerID=40&md5=8ce0ff7ddd9d70de4b5ce50020ed102e  |y Registro en Scopus 
856 4 0 |u https://doi.org/10.1002/asna.200710970  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_00046337_v329_n6_p609_Claria  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046337_v329_n6_p609_Claria  |y Registro en la Biblioteca Digital 
961 |a paper_00046337_v329_n6_p609_Claria  |b paper  |c PE 
962 |a info:eu-repo/semantics/article  |a info:ar-repo/semantics/artículo  |b info:eu-repo/semantics/publishedVersion 
999 |c 83327 

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