NGC 2587: A sparse open cluster projected onto a populous star field
We present CCD BVIKC photometry in the field of the open cluster NGC 2587. We developed a new method to clean statistically the colour-magnitude diagrams. NGC 2587 is found to be slightly younger than the Hyades and probably of solar metallicity. From 18 probable members with measured proper motions...
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Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_17439213_v5_nS266_p504_Piatti |
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todo:paper_17439213_v5_nS266_p504_Piatti2023-10-03T16:31:34Z NGC 2587: A sparse open cluster projected onto a populous star field Piatti, A.E. Clariá, J.J. Ahumada, A.V. de Grijs R. de Grijs R. Lepine J.R.D. Open clusters and associations: individual (NGC 2587) Techniques: photometric We present CCD BVIKC photometry in the field of the open cluster NGC 2587. We developed a new method to clean statistically the colour-magnitude diagrams. NGC 2587 is found to be slightly younger than the Hyades and probably of solar metallicity. From 18 probable members with measured proper motions, we derived the following mean cluster values: μα = -4.3 ± 3.6 mas yr-1 and μδ = -2.5 ± 3.4 mas yr -1. Colour excesses, E(B - V) = 0.10 and E(V - I) = 0.15 mag, and a heliocentric distance of 3.7 ± 0.7 kpc are obtained. The interstellar extinction in the cluster direction is found to follow the normal reddening law. © International Astronomical Union 2010. SER info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_17439213_v5_nS266_p504_Piatti |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Open clusters and associations: individual (NGC 2587) Techniques: photometric |
spellingShingle |
Open clusters and associations: individual (NGC 2587) Techniques: photometric Piatti, A.E. Clariá, J.J. Ahumada, A.V. de Grijs R. de Grijs R. Lepine J.R.D. NGC 2587: A sparse open cluster projected onto a populous star field |
topic_facet |
Open clusters and associations: individual (NGC 2587) Techniques: photometric |
description |
We present CCD BVIKC photometry in the field of the open cluster NGC 2587. We developed a new method to clean statistically the colour-magnitude diagrams. NGC 2587 is found to be slightly younger than the Hyades and probably of solar metallicity. From 18 probable members with measured proper motions, we derived the following mean cluster values: μα = -4.3 ± 3.6 mas yr-1 and μδ = -2.5 ± 3.4 mas yr -1. Colour excesses, E(B - V) = 0.10 and E(V - I) = 0.15 mag, and a heliocentric distance of 3.7 ± 0.7 kpc are obtained. The interstellar extinction in the cluster direction is found to follow the normal reddening law. © International Astronomical Union 2010. |
format |
SER |
author |
Piatti, A.E. Clariá, J.J. Ahumada, A.V. de Grijs R. de Grijs R. Lepine J.R.D. |
author_facet |
Piatti, A.E. Clariá, J.J. Ahumada, A.V. de Grijs R. de Grijs R. Lepine J.R.D. |
author_sort |
Piatti, A.E. |
title |
NGC 2587: A sparse open cluster projected onto a populous star field |
title_short |
NGC 2587: A sparse open cluster projected onto a populous star field |
title_full |
NGC 2587: A sparse open cluster projected onto a populous star field |
title_fullStr |
NGC 2587: A sparse open cluster projected onto a populous star field |
title_full_unstemmed |
NGC 2587: A sparse open cluster projected onto a populous star field |
title_sort |
ngc 2587: a sparse open cluster projected onto a populous star field |
url |
http://hdl.handle.net/20.500.12110/paper_17439213_v5_nS266_p504_Piatti |
work_keys_str_mv |
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_version_ |
1807319945296478208 |