The young open cluster NGC 7067 using Strömgren photometry

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Título: The young open cluster NGC 7067 using Strömgren photometry
Autor/es: Monguió, María | Negueruela, Ignacio | Marco Tobarra, Amparo | González-Fernández, Carlos | Alonso-Santiago, Javier | Costado, M.T. | Casamiquela, L. | López-Corredoira, M. | Molgó, J. | Vilardell Sallés, Francesc | Alfaro, Emilio J. | Antoja, T. | Figueras, Francesca | Garcia, M. | Jordi, C. | Romero-Gómez
Grupo/s de investigación o GITE: Astrofísica Estelar (AE)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal
Palabras clave: Methods: observational | Hertzsprung–Russell and colour–magnitude diagrams | Open clusters and associations: individual: NGC 7067
Área/s de conocimiento: Astronomía y Astrofísica | Física Aplicada
Fecha de publicación: abr-2017
Editor: Oxford University Press
Cita bibliográfica: Monthly Notices of the Royal Astronomical Society. 2017, 466(3): 3636-3647. doi:10.1093/mnras/stw3302
Resumen: NGC 7067 is a young open cluster located in the direction between the first and the second Galactic quadrants and close to the Perseus spiral arm. This makes it useful for studies of the nature of the Milky Way spiral arms. Strömgren photometry taken with the Wide Field Camera at the Isaac Newton Telescope allowed us to compute individual physical parameters for the observed stars and hence to derive the cluster's physical parameters. Spectra from the 1.93-m telescope at the Observatoire de Haute-Provence helped to check and improve the results. We obtained photometry for 1233 stars, individual physical parameters for 515 and spectra for 9 of them. The 139 selected cluster members lead to a cluster distance of 4.4 ± 0.4 kpc, with an age below log10(t(yr)) = 7.3 and a present mass of 1260 ± 160 M⊙. The morphology of the data reveals that the centre of the cluster is at (α, δ) = (21: 24: 13.69, +48: 00: 39.2) J2000, with a radius of 6.1 arcmin. Strömgren and spectroscopic data allowed us to improve the previous parameters available for the cluster in the literature.
Patrocinador/es: MM,IN, AM and JA work is partially supported by the Spanish Government Ministerio de Economía y Competitividad under grant AYA2015-68012-C2-2-P (MINECO/FEDER).MM acknowledges the support of the research grant funded by the STFC (ST/M001008/1). AM acknowledges support from the Generalitat Valenciana through the grant BEST/2015/242 and the Ministerio de Educación Cultura y Deporte through the grant PRX 15/00030. FV acknowledges support by the Spanish Ministry of Economy and Competitiveness (MINECO) through grant ESP2014-57495-C2-2-R. LC, FF, CJ, MRG are supported by the MINECO (Spanish Ministry of Economy)–FEDER through grants ESP2013-48318-C2-1-R and ESP2014-55996-C2-1-R andMDM-2014-0369 of ICCUB (Unidad de Excelencia ‘María de Maeztu’). MTC and EJA are supported by the project AYA2013-40611-P from the Spanish Government, Ministerio de Economía y Competitividad.
URI: http://hdl.handle.net/10045/63017
ISSN: 0035-8711 (Print) | 1365-2966 (Online)
DOI: 10.1093/mnras/stw3302
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © The Authors 2016. Published by Oxford University Press on behalf of The Royal Astronomical Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1093/mnras/stw3302
Aparece en las colecciones:INV - Astrofísica Estelar - Artículos de Revistas

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