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Chemical and dynamical analysis of Open Clusters from OCCASO data. The case of NGC 6705

Published online by Cambridge University Press:  02 August 2018

Laia Casamiquela ,
Ricardo Carrera ,
Lola Balaguer-Núñez ,
Carme Jordi ,
Cristina Chiappini ,
Teresa Antoja  and
Núria Miret-Roig
Laia Casamiquela
Affiliation:
Departament de Física Quàntica i Astrofísica, Universitat de Barcelona, ICC/IEEC, Barcelona, Spain email: [email protected];
Ricardo Carrera
Affiliation:
INAF - Osservatorio Astronomico di Padova, Padova, Italy;
Lola Balaguer-Núñez
Affiliation:
Departament de Física Quàntica i Astrofísica, Universitat de Barcelona, ICC/IEEC, Barcelona, Spain email: [email protected];
Carme Jordi
Affiliation:
Departament de Física Quàntica i Astrofísica, Universitat de Barcelona, ICC/IEEC, Barcelona, Spain email: [email protected];
Cristina Chiappini
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), Potsdam, Germany
Teresa Antoja
Affiliation:
Departament de Física Quàntica i Astrofísica, Universitat de Barcelona, ICC/IEEC, Barcelona, Spain email: [email protected];
Núria Miret-Roig
Affiliation:
Departament de Física Quàntica i Astrofísica, Universitat de Barcelona, ICC/IEEC, Barcelona, Spain email: [email protected];
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Abstract

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The OCCASO survey targets intermediate-age and old OCs visible from the Northern hemisphere. OCCASO provides homogeneous radial velocities, atmospheric parameters, and individual abundances from high-resolution spectroscopy (R>65,000) of Red Clump stars. We present a first insight into the homogeneously analyzed chemical abundances obtained fror 18 Northern OCs from OCCASO data. Our sample includes an interesting inner disk OC, NGC 6705, analyzed in the literature with inconclusive results about its α abundances. From OCCASO data this is an α-enhanced OC from the analysis of Si, Ca, Ti, Mg and O, despite its young age.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 124 - 127
Copyright
Copyright © International Astronomical Union 2018 

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