Добірка наукової літератури з теми "Accretion phenomena"
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Статті в журналах з теми "Accretion phenomena":
Walker, Mark. "Accretion-driven nonthermal phenomena." Astrophysical Journal 330 (July 1988): L47. http://dx.doi.org/10.1086/185202.
Bailey, Jeremy. "Accretion Phenomena in Cataclysmic Variables." Publications of the Astronomical Society of Australia 13, no. 1 (January 1996): 75–80. http://dx.doi.org/10.1017/s1323358000020579.
KUNCIC, ZDENKA, and GEOFFREY V. BICKNELL. "TOWARDS A NEW STANDARD THEORY FOR ASTROPHYSICAL DISK ACCRETION." Modern Physics Letters A 22, no. 23 (July 30, 2007): 1685–700. http://dx.doi.org/10.1142/s0217732307024243.
Lee, Umin, and Tod E. Strohmayer. "Thermonuclear Excitation of R-modes in Neutron Stars." International Astronomical Union Colloquium 155 (1995): 445–46. http://dx.doi.org/10.1017/s0252921100037921.
Ferreira, J. "Accretion-ejection phenomena from young stars." EAS Publications Series 9 (2003): 33. http://dx.doi.org/10.1051/eas:2003083.
Kim, Hongsu, and Uicheol Jang. "Effect of Radiation Pressure Formed at the Inner Region of the Accretion Disk on the Accretion Flow in the Outer Region." Journal of Astronomy and Space Sciences 40, no. 4 (December 2023): 247–58. http://dx.doi.org/10.5140/jass.2023.40.4.247.
Yokosawa, M. "Dynamical Evolution of Accretion Flow onto a Black Hole." Symposium - International Astronomical Union 188 (1998): 455–56. http://dx.doi.org/10.1017/s0074180900116006.
Tanaka, Y. "Outburst Phenomena in X-Ray Binaries." Symposium - International Astronomical Union 151 (1992): 215–24. http://dx.doi.org/10.1017/s0074180900122211.
Iijima, T. "Rapid Mass Accretion in the Symbiotic Star AG Dra." International Astronomical Union Colloquium 93 (1987): 759–62. http://dx.doi.org/10.1017/s0252921100105640.
de Gouveia Dal Pino, Elisabete M., and Alex C. Raga. "JD7 -Astrophysical Outflows and Associated Accretion Phenomena." Proceedings of the International Astronomical Union 5, H15 (November 2009): 235–36. http://dx.doi.org/10.1017/s1743921310009002.
Дисертації з теми "Accretion phenomena":
Hickinbotham, Simon John. "S-Gabor filters for line accretion phenomena." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341113.
Rolfe, Daniel James. "Accretion flow and precession phenomena in cataclysmic variables." Thesis, n.p, 2001. http://library7.open.ac.uk/abstracts/page.php?thesisid=52.
Smith, Amanda Jane. "Accretion Disc Phenomena in Extreme Mass Ratio Cataclysmic Variables." Thesis, Open University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486254.
Symington, Neil H. "Observations and modelling of accretion phenomena in Classical T Tauri stars." Thesis, University of Exeter, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421579.
Finke, Justin David. "Monte Carlo/Fokker-Planck simulations of Accretion Phenomena and Optical Spectra of BL Lacertae Objects." Ohio University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1181833339.
De, Jong Sandra. "Accretion processes of radio galaxies at high energies." Phd thesis, Observatoire de Paris, 2013. http://tel.archives-ouvertes.fr/tel-00914365.
Aimar, Nicolas. "Astrophysique extrême avec GRAVITY : sursauts énergétiques aux abords de l'horizon des événements du trou noir central de la Galaxie." Electronic Thesis or Diss., Université Paris sciences et lettres, 2023. http://www.theses.fr/2023UPSLO006.
The Milky Way, like presumably all structured galaxies, harbors a supermassive black hole at its core, approximately 4.3 million times the mass of the Sun, named Sagittarius A* (Sgr A*). Its size, determined by its mass, and its proximity of about 8.3 kpc make it the black hole with the largest angular size in the sky (~50 μas), making it the ideal target for studying this type of object. Black holes are the most compact objects in the Universe, with an extreme gravitational field near their event horizon. Describing these objects and their immediate environment requires taking into account General Relativity, introduced in 1915 by Albert Einstein .For over 20 years, Sgr A* and its environment have been the subject of numerous observation campaigns at various wavelengths (radio, IR, X-rays). Tracking the orbits of S-stars within one arcsecond around Sgr A* has provided evidence for certain effects predicted by General Relativity, such as Schwarzschild precession. X-ray and NIR observations have shown that Sgr A* exhibits significant variability in the emitted flux from the accretion flow. The advent of adaptive optics and optical interferometry, particularly with the four large telescopes of the VLTI and the GRAVITY instrument, have revealed an orbital motion of the origin of three flares observed in 2018.Numerous models have been proposed to explain the flares of Sgr A*, but the observation of orbital motion has strongly constrained these models. Among them, the analytical hot spot model is widely used with varying degrees of complexity and assumptions. In parallel with the development of analytical models, numerous simulations of accretion around black holes have been studied, with a particular focus on the phenomenon of magnetic reconnection, which appears as a plausible scenario to explain the origin of the flares of Sgr A*.In this thesis, we study different models for the flares of Sgr A* using the ray-tracing code Gyoto, ranging from an analytical hot spot model with intrinsic variability to a semi-analytical model based on magnetic reconnection. The first model is very useful for understanding the effects of Relativity (Special and General) on observables (astrometry and light curves), as well as the influence of intrinsic variability on them. The second model is motivated by a specific physical phenomenon, magnetic reconnection, and is constructed based on the results of numerical simulations. In this model, the azimuthal velocity is free to be super-Keplerian, due to the dragging of the reconnection site by the magnetic field lines. This property constitutes an observational constraint of the 2018 flares observed by GRAVITY that previous models failed to explain. Additionally, we also study the impact of modeling the quiescent state combined with the flares on the observables. Its contribution in astrometry calculations results in a shift between the position of the black hole and the center of the apparent orbit, which is another conclusion from the observations of the 2018 flares.In addition to astrometry and light curves, GRAVITY has measured the polarization of the 2018 flares. The Gyoto ray-tracing code is now capable of calculating the polarization of images. The new version of the code has been validated by comparing the results with another ray-tracing code, ipole.The model based on magnetic reconnection shows very promising results and can be further improved to account for polarization, as well as the multi-wavelength properties of the flares of Sgr A*
Kersalé, Evy. "Etude analytique et numérique du développement d'instabilités MHD dans des structures d'accrétion-éjection magnétisées." Phd thesis, Université Joseph Fourier (Grenoble), 2000. http://tel.archives-ouvertes.fr/tel-00724447.
Tomei, Niccolò. "GRMHD simulations of thick accretion disks in the Event Horizon Telescope era: the role of the mean-field dynamo mechanism." Doctoral thesis, 2022. http://hdl.handle.net/2158/1264722.
Книги з теми "Accretion phenomena":
Beskin, Vassily, Gilles Henri, François Menard, Guy Pelletier, and Jean Dalibard, eds. Accretion discs, jets and high energy phenomena in astrophysics. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/b80353.
IAU Colloquium (163rd 1996 Port Douglas, Qld.). Accretion phenomena and related outflows: IAU Colloquium 163 : colloquium held in Port Douglas, Queensland, Australia, 15-19 July 1996. San Francisco, Calif: Astronomical Society of the Pacific, 1997.
Ecole d'été de physique théorique (Les Houches, Haute-Savoie, France) (78th 2002). Accretion discs, jets, and high energy phenomena in astrophysics =: Disques d'accrétion, jets et phénomènes de haute énergie en astrophysique : Ecole d'été de physique des Houches, Session LXXVIII, 29 July-23 August 2002 : Nato Advanced Study Institute, Euro Summer School, Ecole thématique du CNRS. Les Ulis: EDP Sciences, 2003.
(Editor), Vassily Beskin, Gilles Henri (Editor), Francois Menard (Editor), Guy Pelletier (Editor), and Jean Dalibard (Editor), eds. Accretion Disks, Jets and High-Energy Phenomena in Astrophysics (Les Houches - Ecole d'Ete de Physique Theorique). Springer, 2004.
Pelletier, Guy, Jean Dalibard, Gilles Henri, Vassily Beskin, and Francois Menard. Accretion Disks, Jets and High-Energy Phenomena in Astrophysics: Les Houches Session LXXVIII, July 29 - August 23, 2002. Springer, 2010.
(Editor), Heon-Young Chang, Chang-Hwan Lee (Editor), Mannque Rho (Editor), and Insu Yi (Editor), eds. Explosive Phenomena in Astrophysical Compact Objects: First KIAS Astrophysics Workshop, Seoul, Korea, 24-27 May 2000 (AIP Conference Proceedings / Astronomy and Astrophysics). American Institute of Physics, 2001.
Wickramasinghe, D. T. Accretion Phenomena and Related Outflows: Iau Colloquium 163: Colloquium Held in Port Douglas, Queensland, Australia, 15-19 July 1996 (Astronomical Society of the Pacific Conference Series). Astronomical Society of the Pacific, 1997.
Tombesi, Francesco. X-ray probe of ultra-fast outflows in active galactic nuclei: An X-ray study of extreme ejection phenomena near accreting supermassive black holes in Seyfert and radio galaxies. LAP Lambert Academic Publishing, 2012.
Частини книг з теми "Accretion phenomena":
Pringle, J. E. "Accretion Disc Phenomena." In Reviews in Modern Astronomy, 97–104. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77543-7_7.
Mineshige, S. "Accretion Disk Instabilities." In Nonlinear Phenomena in Stellar Variability, 83–103. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1062-4_8.
Kenyon, Scott J. "Accretion Disks and Eruptive Phenomena." In The Origin of Stars and Planetary Systems, 613–42. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4509-1_18.
Rebetzky, A., H. Herold, U. Kraus, H. P. Nollert, and H. Ruder. "Accretion Phenomena at Neutron Stars." In Reviews in Modern Astronomy, 74–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76238-3_7.
Schulz, Norbert S. "Accretion Phenomena and Magnetic Activity in YSOs." In The Formation and Early Evolution of Stars, 183–216. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-23926-7_8.
Okuda, T., and S. Mineshige. "Pulsational Instability of Accretion Disks Around Compact Objects." In Nonlinear Phenomena in Stellar Variability, 361–64. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1062-4_59.
Heyvaerts, Jean. "Course 1: Accretion and Ejection-Related MHD." In Accretion discs, jets and high energy phenomena in astrophysics, 3–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39932-2_1.
Czerny, Bozena. "Course 9: Accretion around Active Galactic Nuclei." In Accretion discs, jets and high energy phenomena in astrophysics, 461–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39932-2_9.
Honma, F., R. Matsumoto, and S. Kato. "Numerical Simulations of Pulsationally Unstable Accretion Disks Around Supermassive Black Holes." In Nonlinear Phenomena in Stellar Variability, 365–67. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1062-4_60.
Kudoh, T., and K. Shibata. "Magnetically Driven Jets From Accretion Disks: Nonsteady And Steady Solutions." In Magnetodynamic Phenomena in the Solar Atmosphere, 511–12. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0315-9_119.
Тези доповідей конференцій з теми "Accretion phenomena":
Vanbeveren, Dany. "Binaries, cluster dynamics and population studies of stars and stellar phenomena." In INTERACTING BINARIES: Accretion, Evolution, and Outcomes. AIP, 2005. http://dx.doi.org/10.1063/1.2130266.
Meintjes, Pieter. "Magnetically driven transient phenomena in accretion driven systems: New breakthroughs with meerKAT and CTA?" In Accretion Processes in Cosmic Sources. Trieste, Italy: Sissa Medialab, 2018. http://dx.doi.org/10.22323/1.288.0039.
Hayashi, Ryosuke, and Makoto Yamamoto. "Numerical Simulation on Ice Accretion Phenomena in Rotor-Stator Interaction Field." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95448.
Chattopadhyay, Indranil, Mukesh Vyas, and Kuldeep Singh. "Relativistic Jets From Black Hole Accretion Disc." In High Energy Phenomena in Relativistic Outflows VII. Trieste, Italy: Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.354.0007.
Meintjes, Pieter, and No Co-authors. "Magnetic reconnection and transient phenomena in accretion driven systems." In 4th Annual Conference on High Energy Astrophysics in Southern Africa. Trieste, Italy: Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.275.0032.
Boula, Stella, Demosthenes Kazanas,, and Apostolos Mastichiadis. "Mhd Accretion Disk Winds And The Blazar Sequence." In High Energy Phenomena in Relativistic Outflows VII. Trieste, Italy: Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.354.0009.
Tezok, F., M. Brahimi, and I. Paraschivoiu. "Investigation of the physical processes underlying the ice accretion phenomena." In 36th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-484.
Furuta, Koharu, and Makoto Yamamoto. "Numerical Simulation on Ice Growth in High-Temperature Environment." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25847.
Fochi Wang, Yuzhen Lv, Qing Zhang, Zhou You, and Chengrong Li. "Ice accretion on different aluminum cable steel reinforced." In 2010 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2010). IEEE, 2010. http://dx.doi.org/10.1109/ceidp.2010.5723984.
Park, Myeong-Gu. "Interaction of radiation with matter in accretion flow." In The first KIAS astrophysics workshop: Explosive phenomena in astrophysical compact objects. AIP, 2001. http://dx.doi.org/10.1063/1.1368268.
Звіти організацій з теми "Accretion phenomena":
Mayas, Magda. Creating with timbre. Norges Musikkhøgskole, August 2018. http://dx.doi.org/10.22501/nmh-ar.686088.