Littérature scientifique sur le sujet « Transiti planetari »
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Articles de revues sur le sujet "Transiti planetari"
Heller, René, et Michael Hippke. « Signal preservation of exomoon transits during light curve folding ». Astronomy & ; Astrophysics 657 (janvier 2022) : A119. http://dx.doi.org/10.1051/0004-6361/202142403.
Texte intégralWittrock, Justin M., Stefan Dreizler, Michael A. Reefe, Brett M. Morris, Peter P. Plavchan, Patrick J. Lowrance, Brice-Olivier Demory et al. « Transit Timing Variations for AU Microscopii b and c ». Astronomical Journal 164, no 1 (30 juin 2022) : 27. http://dx.doi.org/10.3847/1538-3881/ac68e5.
Texte intégralCastellano, T., L. Doyle et D. McIntosh. « The Visibility of Earth Transits ». Symposium - International Astronomical Union 202 (2004) : 445–47. http://dx.doi.org/10.1017/s0074180900218457.
Texte intégralPetrucci, Romina, Emiliano Jofré, Martín Schwartz, Andrea Buccino et Pablo Mauas. « TTVs study in southern stars ». Proceedings of the International Astronomical Union 7, S286 (octobre 2011) : 441–44. http://dx.doi.org/10.1017/s1743921312005236.
Texte intégralFernández-Lajús, Eduardo, Yamila Miguel, Andrea Fortier et Romina P. Di Sisto. « Monitoring and analyzing exoplanetary transits from Argentina ». Proceedings of the International Astronomical Union 6, S276 (octobre 2010) : 416–17. http://dx.doi.org/10.1017/s174392131102059x.
Texte intégralHazra, Soumitra, Ofer Cohen et Igor V. Sokolov. « Exoplanet Radio Transits as a Probe for Exoplanetary Magnetic Fields—Time-dependent MHD Simulations ». Astrophysical Journal 936, no 2 (1 septembre 2022) : 144. http://dx.doi.org/10.3847/1538-4357/ac8978.
Texte intégralKostogryz, N. M., T. M. Yakobchuk et A. P. Vidmachenko. « Polarimetry of Exoplanetary System CoRoT-2 ». Proceedings of the International Astronomical Union 7, S282 (juillet 2011) : 209–10. http://dx.doi.org/10.1017/s1743921311027396.
Texte intégralEmilio, Marcelo, Rock Bush, Jeff Kuhn et Isabelle Scholl. « Solar astrometry with planetary transits ». Proceedings of the International Astronomical Union 15, S354 (juin 2019) : 481–93. http://dx.doi.org/10.1017/s1743921320004068.
Texte intégralWinn, Joshua N. « Measuring accurate transit parameters ». Proceedings of the International Astronomical Union 4, S253 (mai 2008) : 99–109. http://dx.doi.org/10.1017/s174392130802629x.
Texte intégralVissapragada, Shreyas, Gudmundur Stefánsson, Michael Greklek-McKeon, Antonija Oklopčić, Heather A. Knutson, Joe P. Ninan, Suvrath Mahadevan et al. « A Search for Planetary Metastable Helium Absorption in the V1298 Tau System ». Astronomical Journal 162, no 5 (1 novembre 2021) : 222. http://dx.doi.org/10.3847/1538-3881/ac1bb0.
Texte intégralThèses sur le sujet "Transiti planetari"
Giacobbe, Paolo. « Photometric transit search for planets around cool stars from the Western Italian Alps : the APACHE survey ». Doctoral thesis, Università degli studi di Trieste, 2014. http://hdl.handle.net/10077/9965.
Texte intégralSmall-size ground-based telescopes can effectively be used to look for transiting rocky planets around nearby low-mass M stars using the photometric transit method. Since 2008, a consortium of the Astrophysical Observatory of Torino (OATo-INAF) and the Astronomical Observatory of the Autonomous Region of Aosta Valley (OAVdA) have been preparing for the long-term photometric survey APACHE (A PAthway toward the Characterization of Habitable Earths), aimed at finding transiting small-size planets around thousands of nearby early and mid-M dwarfs. APACHE uses an array of five dedicated and identical 40-cm Ritchey-Chretien telescopes and its routine science operations started at the beginning of summer 2012. Here I present the results of the `pilot study', a year-long photometric monitoring campaign of a sample of 23 nearby dM stars, and of the APACHE survey first year data. In these studies, I set out to (i) demonstrate the sensitivity to > 2 Rearth transiting planets with periods of up to a few days around our programme stars, through a two-fold approach that combines a characterization of the statistical noise properties of our photometry with the determination of transit detection probabilities via simulations; and (ii), where possible, improves our knowledge of some astrophysical properties (e.g. activity, rotation) of our targets by combining our differential photometric measurements with spectroscopic information from the long-term programme GAPS with the HARPS-N spectrograph on the Telescopio Nazionale Galileo. Furthermore, cool M dwarfs within a few tens of parsecs from the Sun are becoming the focus of dedicated observational programs in the realm of exoplanet astrophysics that will make use of astrometric measurements. I present numerical simulations to gauge the Gaia potential for precision astrometry of exoplanets orbiting a sample of known dM stars within ~ 30 pc from the Sun. I then investigate some aspects of the synergy between the astrometric data expected from the Gaia mission on nearby M dwarfs and the APACHE program.
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Aigrain, Suzanne. « Planetary transits and stellar variability ». Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614684.
Texte intégralMcQuillan, Amy. « Stellar variability and rotation in Kepler planetary transit search data ». Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:802a873d-650f-4f0b-b814-f8397b2798e2.
Texte intégralDe, Marchi Fabrizio. « Variable stars and planetary transit search in super metal-rich open clusters ». Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3427100.
Texte intégralStreet, Rachel. « A search for extra-solar planetary transits in the field of open cluster NGC 6819 ». Thesis, University of St Andrews, 2002. http://hdl.handle.net/10023/12939.
Texte intégralBallerini, Paola. « Effects of starspots activity on optical and near infrared observations of planetary transits ». Doctoral thesis, Università di Catania, 2013. http://hdl.handle.net/10761/1377.
Texte intégralNisley, Ishara. « Transit timing variations of the exoplanet K2-25b ». Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/117447.
Texte intégralCataloged from PDF version of thesis. "May 16, 2017." "This thesis was submitted to the Institute Archives without all the required signatures"--Disclaimer Notice page.
Includes bibliographical references (page 53).
Transit light curves of the exoplanet K2-25b were studied to examine the possibility of transit timing variations (TTVs) in the system, which could imply the presence of a perturbing planet. Observations of K2-25b transits were taken using 14-inch and 24-inch telescopes at Wallace Astrophysical Observatory. Two transit light curves were fit using an MCMC implementation to find the orbital period, planetary radius, and semi-major axis. A new period calculation yielded an orbital period of 3.48457 +/-0.00004, consistent with the period of 3.484552 +0.000044/-0.000036 from Mann et al. 2016. No significant variations were found in the midtimes of the new transit observations when comparing them to the midtime originally published in Mann et al. 2016. Future observations will require smaller uncertainties to meaningfully constrain the mass and period of potential perturbing planets. Signal-to-noise ratio calculations showed that telescopes over approximately 2.2 meters in diameter have better potential to detect small TTVs.
by Ishara Nisley.
S.B.
Adams, Elisabeth Rose. « Transit timing with fast cameras on large telescopes ». Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59737.
Texte intégralCataloged from PDF version of thesis.
Includes bibliographical references (p. 171-178).
Timing and system parameters were measured for seven transiting exoplanets: OGLETR- 56b (11 transits), OGLE-TR-132b (7), OGLE-TR-111b (6), OGLE-TR-113b (6), CoRoT-2b (3), OGLE-TR-10b (3), and XO-2b (2). Ground-based observations of 38 transits were made using three new frame-transfer instruments: POETS and MagICe2v on the 6.5m Magellan telescopes, and MORIS on the 3m IRTF. For each planet, all transit light curves including available literature data were jointly fit using a Monte Carlo Markov Chain method, providing accurate new values for the planetary radius and other parameters. Transit ephemerides have been updated and transit midtimes have been investigated for potential transit timing variations (TTVs) caused by other planets or moons. Our transit midtime analysis contradicts a claimed TTV for OGLE-TR-111b (Diaz et al., 2008), finding no evidence in data from 2005-2009. The radius, 1.019 + 0.026 Rj, is intermediate to previous values (Winn et al., 2007; Diaz et al., 2008). We confirm the radius of OGLE-TR-56b, which previously had only one light curve (Pont et al., 2007), as 1.332 ± 0.063 Rj, but find a longer duration by 15 minutes, while the orbital period, 1.2119094 ± 0.0000024, is unchanged. Times for OGLE-TR-10b are consistent with the ephemeris of Holman et al. (2007), though two literature transits show large deviations (586 ± 86 s; Pont et al., 2007) and (-612 ± 26 s; Bentley et al., 2009). Times for four planets (OGLE-TR-113b, OGLE-TR-132b, CoRoT-2b, and XO-2b), with midtime errors as small as 9 s, agree with published ephemerides and show no signs of TTVs. The orbital period of OGLE-TR-113b derived from new data from 2007-2009, however, is shorter by 0.24 ± 0.12 s compared to the period calculated for literature data from 2002 and 2005. If confirmed, this would be the first detection of a change in the orbital period of an exoplanet, which could be caused by orbital decay as the planet falls onto its star.
by Elisabeth Rose Adams.
Ph.D.
Morley, Caroline V. « Measuring transit timing variations of exoplanets using small telescopes ». Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/114139.
Texte intégralCataloged from PDF version of thesis.
Includes bibliographical references (pages 57-58).
Transits of exoplanets were observed from June 2009 through January 2010. Six transit light curves are presented in this paper for three planets: WASP-10b, WASP- 11/HAT-P-10b, and TrES-3. Measurements of the planetary radii, semi-major axis, transit duration, and period confirmed literature values to within two sigma. Transit timing variations were not observed in these systems, but calculations show that it would be possible to measure transit timing variations induced by large exomoons (greater than about 6 Earth masses) in the WASP-11/HAT-P-10b system. Challenges of exoplanet observation from small telescopes are discussed. It was determined that overall, transit measurements of many exoplanets using small telescopes can be successful and scientifically useful.
by Caroline V. Morley.
S.B.
DeCroix, David Scot. « Large-eddy Simulations of the Convective and Evening Transition Planetary Boundary Layers ». NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20010319-182404.
Texte intégralLarge-eddy simulation (LES) is a very useful tool in computationalfluid dynamics. The LES model allows one to solve a filtered set of theNavier-Stokes equations, thereby explicitly resolving scales of motionlarger than the discretization or grid size. Those motions smaller thanthe grid size are parameterized using a so-called subgrid scale model.
In this series of papers, we will use the TASS LES model, originallya cloud model, which has been modified to simulate planetary boundarylayer turbulence. We will first introduce the LES model and a newgrid-nesting method for the LES. Then we will present simulations ofthe convective planetary boundary layer, and then use the LES to studythe decay of convective planetary boundary layer turbulence to a stablystratified state.
The LES model has been modified to include a grid nesting capability.Grid meshes of higher resolution may be embedded within the LES enablingone to resolve smaller scales of motion (turbulence) than would bepossible by using a single grid mesh. The grid nesting methodology isdescribed in detail in Chapter 2.
In Chapter 3, the nested-grid LES will be applied to thesimulation of the convective planetary boundary layer. We will usea total of three grid meshes to increase the resolution in the surfacelayer, allowing a detailed analysis of the turbulence near the surface ofthe earth.
In Chapter 4, we will focus on applying Rayleigh Benardconvection criteria, using a linearized perturbation method,to the surface layer of a CBL produced by large-eddy simulation.Similarities and differences will be discussed between the LESproduced surface layer and classical Rayleigh-Benard convection theory.
In Chapter 5, using a large-eddy simulation model, we willexamine in detail the turbulent kinetic energy (TKE) budget during theevening transition. The simulation will be performed in order to compareto observations gathered at the Dallas-Fort Worth International Airport,Fort-Worth, TX. during September and October 1997.
In Chapter 6 the decay of planetary boundary layerturbulence during the evening transition will be studied. In previousstudies of the decay of turbulence, the effects of mean winds and shearsdue to pressure gradient on the turbulence decay was not considered.We propose to examine the effects of increasing geostrophic wind onthe convective boundary layer and its transition or decay to a stablecondition. Finally, the overall conclusions of each chapter will bepresented.
Livres sur le sujet "Transiti planetari"
Sandford, Emily Ruth. The Shapes of Planet Transits and Planetary Systems. [New York, N.Y.?] : [publisher not identified], 2020.
Trouver le texte intégralL, Grove Timothy, et United States. National Aeronautics and Space Administration., dir. Partitioning of moderately siderophile elements among olivine, silicate melt, and sulfide melt : Constraints on core formation in the earth and Mars. [Washington, DC : National Aeronautics and Space Administration, 1997.
Trouver le texte intégralKent, April Elliott. Astrological transits : The beginner's guide to using planetary cycles to plan and predict your day, week, year (or destiny). Beverly, MA : Fair Winds Press, 2015.
Trouver le texte intégralValdivia-Silva, Julio. Planetary conditions at the Hadean and Archean transition : Possible scenarios for the origin of life. New York : Nova Science Publisher's, Inc., 2011.
Trouver le texte intégralUnited States. National Aeronautics and Space Administration., dir. The transition from diapirism to dike intrustion : Implications for planetary volcanism, status report, 04-01-93 - 03-31-94. [Washington, DC : National Aeronautics and Space Administration, 1994.
Trouver le texte intégralYuh-Lang, Lin, et United States. National Aeronautics and Space Administration., dir. Numerical modeling studies of wake vortex transport and evolution within the planetary boundary layer : NASA grant NCC-1-188 : FY 97 annual report. [Washington, DC : National Aeronautics and Space Administration, 1998.
Trouver le texte intégralFranco, Divaldo Pereira, Miranda, Manoel Philomeno de. Planetary Transition. Leal Publisher INC, 2016.
Trouver le texte intégralSepharial. Transits and Planetary Periods. Kessinger Publishing, LLC, 2007.
Trouver le texte intégralSepharial. The Tables Of Houses And Planetary Transits - Pamphlet. Kessinger Publishing, LLC, 2006.
Trouver le texte intégral(Editor), Editorial Kier, et Graciela Goldsmidt (Illustrator), dir. El Misterio De La Cruz En La Actual Transicion Planetaria/ The Mystery of the Cross in the Present Planetary Transition (Trigueirinho). 2e éd. Kier Editorial, 2004.
Trouver le texte intégralChapitres de livres sur le sujet "Transiti planetari"
Cameron, Andrew Collier. « Extrasolar Planetary Transits ». Dans Methods of Detecting Exoplanets, 89–131. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27458-4_2.
Texte intégralLeone, Giovanni. « Transition Topography (Mars) ». Dans Encyclopedia of Planetary Landforms, 1–6. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9213-9_650-1.
Texte intégralLeone, Giovanni. « Transition Topography (Mars) ». Dans Encyclopedia of Planetary Landforms, 2169–73. New York, NY : Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4614-3134-3_650.
Texte intégralVan de Steene, G. C., et P. A. M. van Hoot. « Infrared Observations of Candidate Post-AGB Transition Objects ». Dans Planetary Nebulae, 372. Dordrecht : Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5244-0_182.
Texte intégralGaigalas, G., R. Kisielius, G. Merkelis et M. Vilkas. « E2 and M1 Transition Probabilities in Ions of the Nitrogen Isoelectronic Sequence Calculated Using MBPT ». Dans Planetary Nebulae, 95. Dordrecht : Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2088-3_35.
Texte intégralBarros, Susana, et João P. Faria. « Tutorial : Detecting Planetary Transits and Radial-Velocity Signals ». Dans Astrophysics and Space Science Proceedings, 267–74. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59315-9_15.
Texte intégralKwok, Sun. « Transition from Red Giants to Planetary Nebulae ». Dans Late Stages of Stellar Evolution, 321–35. Dordrecht : Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3813-7_52.
Texte intégralClammer, John. « The Cultural and Civilizational Roots of Our Planetary Crisis ». Dans Cultures of Transition and Sustainability, 1–22. New York : Palgrave Macmillan US, 2016. http://dx.doi.org/10.1057/978-1-137-52033-3_1.
Texte intégralVanderburg, Andrew, et Saul A. Rappaport. « Transiting Disintegrating Planetary Debris Around WD 1145+017 ». Dans Handbook of Exoplanets, 1–24. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-30648-3_37-1.
Texte intégralVanderburg, Andrew, et Saul A. Rappaport. « Transiting Disintegrating Planetary Debris Around WD 1145+017 ». Dans Handbook of Exoplanets, 2603–26. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-55333-7_37.
Texte intégralActes de conférences sur le sujet "Transiti planetari"
Engeling, K. W., M. Shah, R. P. Pitts, M. M. Tessema, G. D. Massa, A. Meier, D. Rinderknecht et al. « Plasma for Crewed Transit and Planetary Habitation ». Dans 2021 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2021. http://dx.doi.org/10.1109/icops36761.2021.9588578.
Texte intégralKopp, Greg. « Liquid crystal intensity modulator for simulating planetary transits ». Dans Optical Science and Technology, SPIE's 48th Annual Meeting, sous la direction de Daniel R. Coulter. SPIE, 2003. http://dx.doi.org/10.1117/12.504521.
Texte intégralSchultz, A. B. « HST/FGS Photometry of Planetary Transits of HD 209458 ». Dans THE SEARCH FOR OTHER WORLDS : Fourteenth Astrophysics Conference. AIP, 2004. http://dx.doi.org/10.1063/1.1774516.
Texte intégralSchneider, Steven. « Laminar-Turbulent Transition on Reentry Capsules and Planetary Probes ». Dans 35th AIAA Fluid Dynamics Conference and Exhibit. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-4763.
Texte intégralSIGISMONDI, C., X. WANG, P. ROCHER et E. REIS NETO. « VENUS TRANSITS : HISTORY AND OPPORTUNITIES FOR PLANETARY, SOLAR AND GRAVITATIONAL PHYSICS ». Dans Proceedings of the MG13 Meeting on General Relativity. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814623995_0443.
Texte intégralCANAVAN, GREGORY H. « TRANSITION FROM ADVERSARIAL TO COOPERATIVE INTERACTION ». Dans Proceedings of the International Seminar on Nuclear War and Planetary Emergencies — 26th Session. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776945_0009.
Texte intégralAbdulmyanov, T. « Comparison of the dynamics of Jupiter’s coorbital asteroids and the dynamics of bodies in debris disks ». Dans ASTRONOMY AT THE EPOCH OF MULTIMESSENGER STUDIES. Proceedings of the VAK-2021 conference, Aug 23–28, 2021. Crossref, 2022. http://dx.doi.org/10.51194/vak2021.2022.1.1.018.
Texte intégralZHANG, XILIANG. « TECHNOLOGIES AND POLICIES FOR THE TRANSITION TO LOW CARBON ENERGY SYSTEM IN CHINA ». Dans International Seminar on Nuclear War and Planetary Emergencies 42nd Session. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814327503_0033.
Texte intégralEICHHAMMER, WOLFGANG. « MAKING RAPID TRANSITION TO AN ENERGY SYSTEM CENTERED ON ENERGY EFFICIENCY AND RENEWABLES POSSIBLE ». Dans International Seminar on Nuclear War and Planetary Emergencies 42nd Session. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814327503_0022.
Texte intégralGuo, Yi, et Robert G. Parker. « Effects of Bearing Radial Internal Clearance on Dynamic Behavior and Bifurcations in Planetary Gears ». Dans ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48891.
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