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Статті в журналах з теми "Transiti planetari"
Heller, René, and Michael Hippke. "Signal preservation of exomoon transits during light curve folding." Astronomy & Astrophysics 657 (January 2022): A119. http://dx.doi.org/10.1051/0004-6361/202142403.
Повний текст джерелаWittrock, 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 (June 30, 2022): 27. http://dx.doi.org/10.3847/1538-3881/ac68e5.
Повний текст джерелаCastellano, T., L. Doyle, and D. McIntosh. "The Visibility of Earth Transits." Symposium - International Astronomical Union 202 (2004): 445–47. http://dx.doi.org/10.1017/s0074180900218457.
Повний текст джерелаPetrucci, Romina, Emiliano Jofré, Martín Schwartz, Andrea Buccino, and Pablo Mauas. "TTVs study in southern stars." Proceedings of the International Astronomical Union 7, S286 (October 2011): 441–44. http://dx.doi.org/10.1017/s1743921312005236.
Повний текст джерелаFernández-Lajús, Eduardo, Yamila Miguel, Andrea Fortier, and Romina P. Di Sisto. "Monitoring and analyzing exoplanetary transits from Argentina." Proceedings of the International Astronomical Union 6, S276 (October 2010): 416–17. http://dx.doi.org/10.1017/s174392131102059x.
Повний текст джерелаHazra, Soumitra, Ofer Cohen, and Igor V. Sokolov. "Exoplanet Radio Transits as a Probe for Exoplanetary Magnetic Fields—Time-dependent MHD Simulations." Astrophysical Journal 936, no. 2 (September 1, 2022): 144. http://dx.doi.org/10.3847/1538-4357/ac8978.
Повний текст джерелаKostogryz, N. M., T. M. Yakobchuk, and A. P. Vidmachenko. "Polarimetry of Exoplanetary System CoRoT-2." Proceedings of the International Astronomical Union 7, S282 (July 2011): 209–10. http://dx.doi.org/10.1017/s1743921311027396.
Повний текст джерелаEmilio, Marcelo, Rock Bush, Jeff Kuhn, and Isabelle Scholl. "Solar astrometry with planetary transits." Proceedings of the International Astronomical Union 15, S354 (June 2019): 481–93. http://dx.doi.org/10.1017/s1743921320004068.
Повний текст джерелаWinn, Joshua N. "Measuring accurate transit parameters." Proceedings of the International Astronomical Union 4, S253 (May 2008): 99–109. http://dx.doi.org/10.1017/s174392130802629x.
Повний текст джерелаVissapragada, 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 (November 1, 2021): 222. http://dx.doi.org/10.3847/1538-3881/ac1bb0.
Повний текст джерелаДисертації з теми "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.
Повний текст джерелаSmall-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.
XXV Ciclo
1985
Aigrain, Suzanne. "Planetary transits and stellar variability." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614684.
Повний текст джерелаMcQuillan, 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.
Повний текст джерелаDe, 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.
Повний текст джерелаStreet, 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.
Повний текст джерелаBallerini, 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.
Повний текст джерелаNisley, Ishara. "Transit timing variations of the exoplanet K2-25b." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/117447.
Повний текст джерелаCataloged 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.
Повний текст джерелаCataloged 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.
Повний текст джерелаCataloged 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.
Повний текст джерелаLarge-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.
Книги з теми "Transiti planetari"
Sandford, Emily Ruth. The Shapes of Planet Transits and Planetary Systems. [New York, N.Y.?]: [publisher not identified], 2020.
Знайти повний текст джерелаL, Grove Timothy, and United States. National Aeronautics and Space Administration., eds. 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.
Знайти повний текст джерелаKent, 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.
Знайти повний текст джерелаValdivia-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.
Знайти повний текст джерелаUnited States. National Aeronautics and Space Administration., ed. 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.
Знайти повний текст джерелаYuh-Lang, Lin, and United States. National Aeronautics and Space Administration., eds. 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.
Знайти повний текст джерелаFranco, Divaldo Pereira, Miranda, Manoel Philomeno de. Planetary Transition. Leal Publisher INC, 2016.
Знайти повний текст джерелаSepharial. Transits and Planetary Periods. Kessinger Publishing, LLC, 2007.
Знайти повний текст джерелаSepharial. The Tables Of Houses And Planetary Transits - Pamphlet. Kessinger Publishing, LLC, 2006.
Знайти повний текст джерела(Editor), Editorial Kier, and Graciela Goldsmidt (Illustrator), eds. El Misterio De La Cruz En La Actual Transicion Planetaria/ The Mystery of the Cross in the Present Planetary Transition (Trigueirinho). 2nd ed. Kier Editorial, 2004.
Знайти повний текст джерелаЧастини книг з теми "Transiti planetari"
Cameron, Andrew Collier. "Extrasolar Planetary Transits." In Methods of Detecting Exoplanets, 89–131. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27458-4_2.
Повний текст джерелаLeone, Giovanni. "Transition Topography (Mars)." In 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.
Повний текст джерелаLeone, Giovanni. "Transition Topography (Mars)." In 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.
Повний текст джерелаVan de Steene, G. C., and P. A. M. van Hoot. "Infrared Observations of Candidate Post-AGB Transition Objects." In Planetary Nebulae, 372. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5244-0_182.
Повний текст джерелаGaigalas, G., R. Kisielius, G. Merkelis, and M. Vilkas. "E2 and M1 Transition Probabilities in Ions of the Nitrogen Isoelectronic Sequence Calculated Using MBPT." In Planetary Nebulae, 95. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2088-3_35.
Повний текст джерелаBarros, Susana, and João P. Faria. "Tutorial: Detecting Planetary Transits and Radial-Velocity Signals." In Astrophysics and Space Science Proceedings, 267–74. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59315-9_15.
Повний текст джерелаKwok, Sun. "Transition from Red Giants to Planetary Nebulae." In Late Stages of Stellar Evolution, 321–35. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3813-7_52.
Повний текст джерелаClammer, John. "The Cultural and Civilizational Roots of Our Planetary Crisis." In 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.
Повний текст джерелаVanderburg, Andrew, and Saul A. Rappaport. "Transiting Disintegrating Planetary Debris Around WD 1145+017." In Handbook of Exoplanets, 1–24. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-30648-3_37-1.
Повний текст джерелаVanderburg, Andrew, and Saul A. Rappaport. "Transiting Disintegrating Planetary Debris Around WD 1145+017." In Handbook of Exoplanets, 2603–26. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-55333-7_37.
Повний текст джерелаТези доповідей конференцій з теми "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." In 2021 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2021. http://dx.doi.org/10.1109/icops36761.2021.9588578.
Повний текст джерелаKopp, Greg. "Liquid crystal intensity modulator for simulating planetary transits." In Optical Science and Technology, SPIE's 48th Annual Meeting, edited by Daniel R. Coulter. SPIE, 2003. http://dx.doi.org/10.1117/12.504521.
Повний текст джерелаSchultz, A. B. "HST/FGS Photometry of Planetary Transits of HD 209458." In THE SEARCH FOR OTHER WORLDS: Fourteenth Astrophysics Conference. AIP, 2004. http://dx.doi.org/10.1063/1.1774516.
Повний текст джерелаSchneider, Steven. "Laminar-Turbulent Transition on Reentry Capsules and Planetary Probes." In 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.
Повний текст джерелаSIGISMONDI, C., X. WANG, P. ROCHER, and E. REIS NETO. "VENUS TRANSITS: HISTORY AND OPPORTUNITIES FOR PLANETARY, SOLAR AND GRAVITATIONAL PHYSICS." In Proceedings of the MG13 Meeting on General Relativity. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814623995_0443.
Повний текст джерелаCANAVAN, GREGORY H. "TRANSITION FROM ADVERSARIAL TO COOPERATIVE INTERACTION." In Proceedings of the International Seminar on Nuclear War and Planetary Emergencies — 26th Session. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776945_0009.
Повний текст джерелаAbdulmyanov, T. "Comparison of the dynamics of Jupiter’s coorbital asteroids and the dynamics of bodies in debris disks." In 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.
Повний текст джерелаZHANG, XILIANG. "TECHNOLOGIES AND POLICIES FOR THE TRANSITION TO LOW CARBON ENERGY SYSTEM IN CHINA." In International Seminar on Nuclear War and Planetary Emergencies 42nd Session. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814327503_0033.
Повний текст джерелаEICHHAMMER, WOLFGANG. "MAKING RAPID TRANSITION TO AN ENERGY SYSTEM CENTERED ON ENERGY EFFICIENCY AND RENEWABLES POSSIBLE." In International Seminar on Nuclear War and Planetary Emergencies 42nd Session. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814327503_0022.
Повний текст джерелаGuo, Yi, and Robert G. Parker. "Effects of Bearing Radial Internal Clearance on Dynamic Behavior and Bifurcations in Planetary Gears." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48891.
Повний текст джерела