Dataciencia

Colección SciELO Chile

Two temperate sub-Neptunes transiting the star EPIC 212737443

Indexado

WoS	WOS:000482319700043
Scopus	SCOPUS_ID:85078461992

DOI

10.1093/MNRAS/STZ1641

Año

2019

Tipo

artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras

Abstract

We report the validation of a new planetary system around the K3 star EPIC 212737443 using a combination of K2 photometry, follow-up high-resolution imaging and spectroscopy. The system consists of two sub-Neptune sized transiting planets with radii of 2.6R(circle plus) and 2.7R(circle plus), with orbital periods of 13.6 and 65.5 d, equilibrium temperatures of 536 and 316 K, respectively. In the context of validated K2 systems, the outer planet has the longest precisely measured orbital period, as well as the lowest equilibrium temperature for a planet orbiting a star of spectral type earlier than M. The two planets in this system have a mutual Hill radius of Delta R-H = 36, larger than most other known transiting multiplanet systems, suggesting the existence of another (possibly non-transiting) planet, or that the system is not maximally packed.

Revista

Revista	ISSN
Monthly Notices Of The Royal Astronomical Society	0035-8711

Métricas Externas

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Disciplinas de Investigación

WOS
Astronomy & Astrophysics

Scopus
Sin Disciplinas

SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional

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Autores - Afiliación

Ord.	Autor	Género	Institución - País
1	Herath, Mahesh	Hombre	Arthur C Clarke Inst Modern Technol - Sri Lanka Univ Colombo - Sri Lanka Arthur C Clark Institution for Modern Technologies - Sri Lanka University of Colombo - Sri Lanka
2	Hinse, Tobias C.	Hombre	Chungnam Natl Univ - Corea del Sur Chungnam National University - Corea del Sur
3	Livingston, J. H.	Hombre	Univ Tokyo - Japón University of Tokyo - Japón The University of Tokyo - Japón
4	Hernandez, Jesus	Hombre	Univ Nacl Autonoma Mexico - México Universidad Nacional Autónoma de México - México
5	Evans, Daniel F.	Hombre	Keele Univ - Reino Unido Keele University - Reino Unido
6	Wells, Robert	Hombre	Queens Univ Belfast - Reino Unido Queen's University Belfast - Reino Unido
7	Gunesekera, Saraj	-	Arthur C Clarke Inst Modern Technol - Sri Lanka Arthur C Clark Institution for Modern Technologies - Sri Lanka
8	Tregloan-Reed, J.	Hombre	Universidad de Antofagasta - Chile
9	Rabus, M.	Hombre	Las Cumbres Observ Global Telescope - Estados Unidos UNIV CALIF SANTA BARBARA - Estados Unidos
10	Skottfelt, Jesper	Hombre	Open Univ - Reino Unido Univ Copenhagen - Dinamarca Open University - Reino Unido Niels Bohr Institute - Dinamarca The Open University - Reino Unido Niels Bohr Institutet - Dinamarca
11	Dominik, Martin	Hombre	Univ St Andrews - Reino Unido University of St Andrews - Reino Unido
12	Jorgensen, U. G.	Hombre	Univ Copenhagen - Dinamarca Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca
13	Jayaratne, Chandana	Mujer	Univ Colombo - Sri Lanka University of Colombo - Sri Lanka
14	Ly, Cuc T. K.	Mujer	Quy Nhon Univ - Vietnam Quy Nhon University - Vietnam

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Financiamiento

Fuente
Ministerio de Ciencia e Innovación
Australian Research Council
Spanish MICINN
Ministerio de Ciencia e InnovaciÃ³n
National Aeronautics and Space Administration
NASA Science Mission directorate
ARC LIEF grant from the Australian Research Council
European Space Agency
DPAC
Appalachian Regional Commission
Gaia Data Processing and Analysis Consortium
Chinese Diabetes Society

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos

Agradecimiento
The authors would like to thank the anonymous referee for improving this research paper. MH, TCH, JHL, and CTKL would like to thank the organizers of the 2018 February Recontres du Vietnam conference where this work was originally initiated. This paper includes data collected by the Kepler/K2 mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. This publication uses data products from the (1) WISE - Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration; (2) SkyMapper - the National Facility Capability for SkyMapper has been funded through ARC LIEF grant LE130100104 from the Australian Research Council; (3) Gaia - This work has used data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement; (4) Pan-STARRS - https://panstarrs.stsci.edu/. This publication uses (1) VOSA, developed under the Spanish Virtual Observatory project supported from the Spanish MICINN through grant AyA2011-24052; (2) the VizieR catalogue access tool, CDS, Strasbourg, France. The original description of the VizieR service was published in A&AS 143, 23; (3) DSS2 (http://archive.eso.org/dss/dss). TCH would like to acknowledge a fruitful discussion with Dr. Eric Mamajek and Dr. Andrew Mann related to atmospheric properties of stars.
The authors would like to thank the anonymous referee for improving this research paper. MH, TCH, JHL, and CTKL would like to thank the organizers of the 2018 February Recontres du Vietnam conference where this work was originally initiated. This paper includes data collected by the Kepler/K2 mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. This publication uses data products from the (1) WISE – Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration; (2) SkyMapper – the National Facility Capability for SkyMapper has been funded through ARC LIEF grant LE130100104 from the Australian Research Council; (3) Gaia – This work has used data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosm os.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement; (4) Pan-STARRS – https://panstarrs.stsci.edu/. This publication uses (1) VOSA, developed under the Spanish Virtual Observatory project supported from the Spanish MICINN through grant AyA2011-24052; (2) the VizieR catalogue access tool, CDS, Strasbourg, France. The original description of the VizieR service was published in A&AS 143, 23; (3) DSS2 (http://archive.eso.org/dss/dss). TCH would like to acknowledge a fruitful discussion with Dr. Eric Mamajek and Dr. Andrew Mann related to atmospheric properties of stars.

Agradecimiento

The authors would like to thank the anonymous referee for improving this research paper. MH, TCH, JHL, and CTKL would like to thank the organizers of the 2018 February Recontres du Vietnam conference where this work was originally initiated. This paper includes data collected by the Kepler/K2 mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. This publication uses data products from the (1) WISE - Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration; (2) SkyMapper - the National Facility Capability for SkyMapper has been funded through ARC LIEF grant LE130100104 from the Australian Research Council; (3) Gaia - This work has used data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement; (4) Pan-STARRS - https://panstarrs.stsci.edu/. This publication uses (1) VOSA, developed under the Spanish Virtual Observatory project supported from the Spanish MICINN through grant AyA2011-24052; (2) the VizieR catalogue access tool, CDS, Strasbourg, France. The original description of the VizieR service was published in A&AS 143, 23; (3) DSS2 (http://archive.eso.org/dss/dss). TCH would like to acknowledge a fruitful discussion with Dr. Eric Mamajek and Dr. Andrew Mann related to atmospheric properties of stars.

The authors would like to thank the anonymous referee for improving this research paper. MH, TCH, JHL, and CTKL would like to thank the organizers of the 2018 February Recontres du Vietnam conference where this work was originally initiated. This paper includes data collected by the Kepler/K2 mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. This publication uses data products from the (1) WISE – Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration; (2) SkyMapper – the National Facility Capability for SkyMapper has been funded through ARC LIEF grant LE130100104 from the Australian Research Council; (3) Gaia – This work has used data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosm os.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement; (4) Pan-STARRS – https://panstarrs.stsci.edu/. This publication uses (1) VOSA, developed under the Spanish Virtual Observatory project supported from the Spanish MICINN through grant AyA2011-24052; (2) the VizieR catalogue access tool, CDS, Strasbourg, France. The original description of the VizieR service was published in A&AS 143, 23; (3) DSS2 (http://archive.eso.org/dss/dss). TCH would like to acknowledge a fruitful discussion with Dr. Eric Mamajek and Dr. Andrew Mann related to atmospheric properties of stars.