Role of host star variability in the detectability of planetary phase curves
About: This article is published in Astronomy and Astrophysics. The article was published on 01 Jan 2019. and is currently open access. The article focuses on the topics: Planetary phase.
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Citations
Reassessing the Evidence for Time Variability in the Atmosphere of the Exoplanet HAT-P-7 b
M. Lally,Andrew Vanderburg +1 more
TL;DR: In this article , the authors reassess the claimed detection of variability in the atmosphere of the hot Jupiter HAT-P-7 b, reported by Armstrong et al., and find that the apparent variations in HATP-P7 b's atmosphere could instead be caused by nonplanetary sources, most likely photometric variability due to supergranulation on the host star.
Probability of simultaneous parallax detection for free-floating planet microlensing events near Galactic Centre
TL;DR: In this paper, the authors determined the event rate and the efficiency of mass estimation for free-floating planet (FFP) microlensing events from the simulation of the simultaneous parallax observations by Euclid, WFIRST, and LSST.
References
Analytic Light Curves for Planetary Transit Searches
Kaisey S. Mandel,Eric Agol +1 more
TL;DR: In this paper, the exact analytic formulae for the eclipse of a star described by quadratic or nonlinear limb darkening were presented, and the authors applied these results to the Hubble Space Telescope observations of HD 209458, showing that the ratio of the planetary to stellar radii is 0.1207 ± 0.0003.
Analytic Lightcurves for Planetary Transit Searches
Kaisey S. Mandel,Eric Agol +1 more
TL;DR: In this paper, exact analytic formulae for the eclipse of a star described by quadratic or nonlinear limb darkening are presented for the HST observations of HD 209458, showing that the ratio of the planetary to stellar radii is 0.1207+-0.0003.
The PLATO 2.0 mission
Heike Rauer,Heike Rauer,C. Catala,Conny Aerts,Thierry Appourchaux,Willy Benz,Alexis Brandeker,Jørgen Christensen-Dalsgaard,Magali Deleuil,Laurent Gizon,Laurent Gizon,M. J. Goupil,Manuel Güdel,Eduardo Janot-Pacheco,M. Mas-Hesse,Isabella Pagano,Giampaolo Piotto,Don Pollacco,Ċ. Santos,Andrew Smith,Juan Carlos Suárez,Róbert Szabó,Stéphane Udry,V. Adibekyan,Yann Alibert,J. M. Almenara,Pau Amaro-Seoane,M. Ammler-von Eiff,Martin Asplund,E. Antonello,Sydney A. Barnes,Frédéric Baudin,K. Belkacem,Maria Bergemann,G. Bihain,Aaron C. Birch,Xavier Bonfils,Isabelle Boisse,Aldo S. Bonomo,Francesco Borsa,I. M. Brandão,Enzo Brocato,S. Brun,Matthew R. Burleigh,R. Burston,Juan Cabrera,Santi Cassisi,William J. Chaplin,Stéphane Charpinet,Cristina Chiappini,Ross P. Church,Sz. Csizmadia,Margarida S. Cunha,Mario Damasso,Mario Damasso,Melvyn B. Davies,Hans J. Deeg,Rodrigo F. Díaz,Stefan Dreizler,C. Dreyer,C. Dreyer,P. Eggenberger,David Ehrenreich,Philipp Eigmüller,Anders Erikson,Robert Farmer,Sofia Feltzing,F. De Oliveira Fialho,Pedro Figueira,T. Forveille,Malcolm Fridlund,Rafael A. García,Paolo Giommi,G. Giuffrida,G. Giuffrida,M. Godolt,J. Gomes da Silva,T. Granzer,John Lee Grenfell,A. Grotsch-Noels,E. Günther,Carole A. Haswell,A. P. Hatzes,Guillaume Hébrard,Saskia Hekker,Saskia Hekker,Ravit Helled,Kevin Heng,Jon M. Jenkins,Anders Johansen,Maxim L. Khodachenko,Kristina G. Kislyakova,Wilhelm Kley,Ulrich Kolb,Natalie A. Krivova,Friedrich Kupka,Helmut Lammer,Antonino F. Lanza,Yveline Lebreton,Demetrio Magrin,P. Marcos-Arenal,P. M. Marrese,P. M. Marrese,J. P. Marques,J. H. C. Martins,S. Mathis,Savita Mathur,S. Messina,Andrea Miglio,Josefina Montalbán,M. Montalto,Mário J. P. F. G. Monteiro,Hamed Moradi,Ehsan Moravveji,Christoph Mordasini,Thierry Morel,Annelies Mortier,Valerio Nascimbeni,Richard P. Nelson,Martin Bo Nielsen,Lena Noack,Andrew Norton,Aviv Ofir,Mahmoudreza Oshagh,R.-M. Ouazzani,Péter Pápics,V. C. Parro,Pascal Petit,Bertrand Plez,Ennio Poretti,Andreas Quirrenbach,Roberto Ragazzoni,Giuliano Raimondo,Monica Rainer,Daniel R. Reese,Ronald Redmer,Sabine Reffert,Bárbara Rojas-Ayala,Ian W. Roxburgh,Stéphanie Salmon,Alexandre Santerne,Jean Schneider,Jesper Schou,Sonja Schuh,Hannah Schunker,A. Silva-Valio,Roberto Silvotti,I. Skillen,Ignas Snellen,Frank Sohl,S. G. Sousa,Alessandro Sozzetti,Dennis Stello,Klaus G. Strassmeier,Michal Švanda,Gy. M. Szabó,Gy. M. Szabó,Andrew Tkachenko,Diana Valencia,Valérie Van Grootel,Sylvie Vauclair,Paolo Ventura,F. W. Wagner,N. A. Walton,Joerg Weingrill,Stephanie C. Werner,Peter J. Wheatley,Konstanze Zwintz +167 more
TL;DR: The PLATO 2.0 mission as discussed by the authors has been selected for ESA's M3 launch opportunity (2022/24) to provide accurate key planet parameters (radius, mass, density and age) in statistical numbers.
The PLATO 2.0 Mission
Heike Rauer,C. Catala,Conny Aerts,T. Appourchaux,Willy Benz,Alexis Brandeker,Jørgen Christensen-Dalsgaard,Magali Deleuil,Laurent Gizon,M. J. Goupil,Manuel Güdel,Eduardo Janot-Pacheco,M. Mas-Hesse,I. Pagano,Giampaolo Piotto,Don Pollacco,Nuno C. Santos,Amanda J. Smith,Suárez,Róbert Szabó,Stéphane Udry,V. Adibekyan,Yann Alibert,J. M. Almenara,Pau Amaro-Seoane,M. Ammler-von Eiff,Martin Asplund,Elio Antonello,Warrick H. Ball,Sydney A. Barnes,F. Baudin,Kevin Belkacem,Maria Bergemann,G. Bihain,Aaron C. Birch,Xavier Bonfils,Isabelle Boisse,Aldo S. Bonomo,Francesco Borsa,I. M. Brandão,Enzo Brocato,S. Brun,Matthew R. Burleigh,R. Burston,Juan Cabrera,Santi Cassisi,William J. Chaplin,Stéphane Charpinet,Cristina Chiappini,Ross P. Church,Sz. Csizmadia,Margarida S. Cunha,Mario Damasso,Melvyn B. Davies,Hans J. Deeg,Rodrigo F. Díaz,S. Dreizler,C. Dreyer,P. Eggenberger,David Ehrenreich,Philipp Eigmüller,Anders Erikson,Robert Farmer,Sofia Feltzing,F. De Oliveira Fialho,P. Figueira,T. Forveille,M. Fridlund,Rafael A. García,Paolo Giommi,G. Giuffrida,M Godolt,J. Gomes da Silva,T. Granzer,John Lee Grenfell,A. Grotsch-Noels,E. Günther,Carole A. Haswell,A. P. Hatzes,G. Hebrard,Saskia Hekker,Ravit Helled,Kevin Heng,Jon M. Jenkins,Anders Johansen,Maxim L. Khodachenko,Kristina G. Kislyakova,Wilhelm Kley,Ulrich Kolb,Natalie A. Krivova,Friedrich Kupka,Helmut Lammer,Antonino F. Lanza,Yveline Lebreton,Demetrio Magrin,P. Marcos-Arenal,P. M. Marrese,J. P. Marques,J. H. C. Martins,Stéphane Mathis,Savita Mathur,S. Messina,Andrea Miglio,Josefina Montalbán,M. Montalto,Mário J. P. F. G. Monteiro,Hamed Moradi,Ehsan Moravveji,Christoph Mordasini,Thierry Morel,Annelies Mortier,Valerio Nascimbeni,Richard P. Nelson,Martin Bo Nielsen,Lena Noack,Andrew Norton,Aviv Ofir,Mahmoudreza Oshagh,R. M. Ouazzani,Péter Pápics,V. C. Parro,Pascal Petit,Bertrand Plez,E. Poretti,A. Quirrenbach,Roberto Ragazzoni,Gabriella Raimondo,Monica Rainer,Daniel R. Reese,Ronald Redmer,Sabine Reffert,Bárbara Rojas-Ayala,Ian W. Roxburgh,S. Salmon,Alexandre Santerne,Jean Schneider,Jesper Schou,Sonja Schuh,Hannah Schunker,A. Silva-Valio,Roberto Silvotti,I. Skillen,Ignas Snellen,Frank Sohl,S. G. Sousa,Alessandro Sozzetti,Dennis Stello,Klaus G. Strassmeier,Michal Švanda,Gy. M. Szabó,Andrew Tkachenko,Diana Valencia,Valérie Van Grootel,Sylvie Vauclair,Paolo Ventura,F. W. Wagner,N. A. Walton,J. Weingrill,Stephanie C. Werner,Peter J. Wheatley,Konstanze Zwintz +160 more
TL;DR: The PLATO 2.0 instrument consists of 34 small aperture telescopes (32 with 25 sec readout cadence and 2 with 2.5 sec candence) providing a wide field-of-view (2232 deg2) and a large photometric magnitude range (4-16 mag) as discussed by the authors.
A map of the day–night contrast of the extrasolar planet HD 189733b
Heather A. Knutson,David Charbonneau,Lori E. Allen,Jonathan J. Fortney,Jonathan J. Fortney,Eric Agol,Nicolas B. Cowan,Adam P. Showman,Curtis S. Cooper,S. Thomas Megeath +9 more
TL;DR: Observations of HD 189733, the closest of these eclipsing planetary systems, over half an orbital period are reported, from which a ‘map’ of the distribution of temperatures is constructed, indicating that energy from the irradiated dayside is efficiently redistributed throughout the atmosphere.
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