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Posible influencia de exoplanetas sobre la actividad estelar

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 2016 Argentina Spanish; Castilian Publisher:Asociación Argentina de Astronomía
Authors: Flores Trivigno, Matias Gaston; Saffe, Carlos; Buccino, Andrea Paola; Jaque Arancibia, Marcelo Daniel; Mauas, Pablo Jacobo David;

handle: 11336/63178

Posible influencia de exoplanetas sobre la actividad estelar

Abstract

The aim of this work is to analize the possible difference in the levels of activity showed by stars with and without planets. Several authors have suggested that stars with planets, in particular those with hot-Jupiter-like planets, have activity levels greater than those showed for stars of the same spectral class, but without planets. In this contribution we present the analysis of chromospheric activity indexes for 353 objects. To do so, we used high-resolution spectra (R 110 000) of F-, G-, and K-type stars taken with the High Accuracy Radial velocity Planet Searcher spectrograph, installed at the 3.6 m ESO telescope. We do no find a significant difference in the activity indexes of stars with and without planets.

Fil: Mauas, Pablo Jacobo David. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina

Fil: Buccino, Andrea Paola. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina

Fil: Jaque Arancibia, Marcelo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio. Universidad Nacional de San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio; Argentina

Fil: Flores Trivigno, Matias Gaston. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio. Universidad Nacional de San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio; Argentina

Fil: Saffe, Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio. Universidad Nacional de San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio; Argentina

Country
Argentina
Related Organizations
Keywords

https://purl.org/becyt/ford/1.7, STARS: ACTIVITY, STARS: PLANETARY SYSTEMS, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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