Modelling light and velocity curves of exoplanet hosts
Research in extrasolar-planet science is data-driven. With the advent of radial-velocity instruments like HARPS and HARPS-N, and transit space missions like Kepler, our ability to discover and characterise extrasolar planets is no longer limited by instrumental precision but by our ability to model...
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| Formato: | Acta de conferencia Capítulo de libro |
| Lenguaje: | Inglés |
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Springer Netherlands
2018
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| LEADER | 09124caa a22011417a 4500 | ||
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| 001 | PAPER-17259 | ||
| 003 | AR-BaUEN | ||
| 005 | 20240513203015.0 | ||
| 008 | 190410s2018 xx ||||fo|||| 10| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-85034238653 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Díaz, R.F. | |
| 245 | 1 | 0 | |a Modelling light and velocity curves of exoplanet hosts |
| 260 | |b Springer Netherlands |c 2018 | ||
| 270 | 1 | 0 | |m Díaz, R.F.; Département d’Astronomie, Université de GenèveSwitzerland; email: rodrigo.diaz@unige.ch |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a Research in extrasolar-planet science is data-driven. With the advent of radial-velocity instruments like HARPS and HARPS-N, and transit space missions like Kepler, our ability to discover and characterise extrasolar planets is no longer limited by instrumental precision but by our ability to model the data accurately. This chapter presents the models that describe radial-velocity measurements and transit light curves. I begin by deriving the solution of the two-body problem and from there, the equations describing the radial velocity of a planet-host star and the distance between star and planet centres, necessary to model transit light curves. Stochastic models are then presented and I delineate how they are used to model complex physical phenomena affecting the exoplanet data sets, such as stellar activity. Finally, I give a brief overview of the processes of Bayesian inference, focussing on the construction of likelihood functions and prior probability distributions. In particular, I describe different methods to specify ignorance priors. © 2018, Springer International Publishing AG. |l eng | |
| 536 | |a Detalles de la financiación: National Research Council of Science and Technology | ||
| 536 | |a Detalles de la financiación: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung | ||
| 536 | |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas | ||
| 536 | |a Detalles de la financiación: National Centre of Competence in Research Robotics | ||
| 536 | |a Detalles de la financiación: Acknowledgements The author thanks the organisers of the IVth Azores International Advanced School in Space Sciences and acknowledges the participants—both lecturers and students—for the quality of their work. The preparation of this lecture was carried out within the frame of the Swiss National Centre for Competence in Research “PlanetS” funded by the Swiss National Science Foundation (SNSF). The author acknowledges support by the Argentinian National Council for Research and Technology (CONICET). | ||
| 593 | |a Département d’Astronomie, Université de Genève, Versoix, Switzerland | ||
| 593 | |a Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina | ||
| 593 | |a Instituto de Astronomía y Física del Espacio (IAFE), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a BAYESIAN NETWORKS |
| 690 | 1 | 0 | |a INFERENCE ENGINES |
| 690 | 1 | 0 | |a PROBABILITY DISTRIBUTIONS |
| 690 | 1 | 0 | |a STARS |
| 690 | 1 | 0 | |a STOCHASTIC MODELS |
| 690 | 1 | 0 | |a STOCHASTIC SYSTEMS |
| 690 | 1 | 0 | |a VELOCITY |
| 690 | 1 | 0 | |a BAYESIAN INFERENCE |
| 690 | 1 | 0 | |a LIKELIHOOD FUNCTIONS |
| 690 | 1 | 0 | |a MODEL COMPLEXES |
| 690 | 1 | 0 | |a PHYSICAL PHENOMENA |
| 690 | 1 | 0 | |a RADIAL VELOCITY |
| 690 | 1 | 0 | |a RADIAL VELOCITY INSTRUMENTS |
| 690 | 1 | 0 | |a RADIAL VELOCITY MEASUREMENTS |
| 690 | 1 | 0 | |a TWO-BODY PROBLEM |
| 690 | 1 | 0 | |a EXTRASOLAR PLANETS |
| 700 | 1 | |a Santos, N.C. | |
| 700 | 1 | |a Monteiro, M.J. | |
| 700 | 1 | |a Campante, T.L. | |
| 711 | 2 | |d 17 July 2016 through 27 July 2016 |g Código de la conferencia: 203889 | |
| 773 | 0 | |d Springer Netherlands, 2018 |g v. 49 |h pp. 199-224 |p Astrophysics Space Sci. Proc. |n Astrophysics and Space Science Proceedings |x 15706591 |z 9783319593142 |t 4th Azores International Advanced School on Asteroseismology and Exoplanets: Listening to the Stars and Searching for New Worlds, 2016 | |
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