Добірка наукової літератури з теми "Molecular clouds"
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Статті в журналах з теми "Molecular clouds":
Sullivan, Colin H., L. M. Fissel, P. K. King, C.-Y. Chen, Z.-Y. Li, and J. D. Soler. "Characterizing the magnetic fields of nearby molecular clouds using submillimeter polarization observations." Monthly Notices of the Royal Astronomical Society 503, no. 4 (March 16, 2021): 5006–24. http://dx.doi.org/10.1093/mnras/stab596.
Clube, S. V. M. "Molecular clouds: comet factories?" International Astronomical Union Colloquium 83 (1985): 19–30. http://dx.doi.org/10.1017/s0252921100083779.
Bot, Caroline, Mónica Rubio, François Boulanger, Marcus Albrecht, Frank Bertoldi, Alberto D. Bolatto, and Adam K. Leroy. "Tracing the cold molecular gas reservoir through dust emission in the SMC." Proceedings of the International Astronomical Union 4, S256 (July 2008): 148–53. http://dx.doi.org/10.1017/s174392130802838x.
Blitz, Leo. "Molecular Clouds at High z." Symposium - International Astronomical Union 144 (1991): 41–51. http://dx.doi.org/10.1017/s0074180900088896.
Li, Pak Shing, and Richard I. Klein. "Magnetized interstellar molecular clouds – II. The large-scale structure and dynamics of filamentary molecular clouds." Monthly Notices of the Royal Astronomical Society 485, no. 4 (March 27, 2019): 4509–28. http://dx.doi.org/10.1093/mnras/stz653.
Wong, Tony, Annie Hughes, Jürgen Ott, Jorge L. Pineda, and Erik Muller. "The Molecular Cloud Population of the Large Magellanic Cloud." Proceedings of the International Astronomical Union 8, S292 (August 2012): 71–74. http://dx.doi.org/10.1017/s1743921313000495.
Körtgen, Bastian. "The turbulence driving parameter of molecular clouds in disc galaxies." Monthly Notices of the Royal Astronomical Society 497, no. 1 (July 24, 2020): 1263–74. http://dx.doi.org/10.1093/mnras/staa2028.
Braine, J., E. Rosolowsky, P. Gratier, E. Corbelli, and K. F. Schuster. "Properties and rotation of molecular clouds in M 33." Astronomy & Astrophysics 612 (April 2018): A51. http://dx.doi.org/10.1051/0004-6361/201732405.
Yan, Qing-Zeng, Ji Yang, Yang Su, Yan Sun, Xin Zhou, Ye Xu, Hongchi Wang, Shaobo Zhang, and Zhiwei Chen. "Dependence of Molecular Cloud Samples on Angular Resolution, Sensitivity, and Algorithms." Astronomical Journal 164, no. 2 (July 18, 2022): 55. http://dx.doi.org/10.3847/1538-3881/ac77ea.
Kutner, Marc L., and Kathryn N. Mead. "Outer-Galaxy molecular clouds." Symposium - International Astronomical Union 106 (1985): 209–10. http://dx.doi.org/10.1017/s0074180900242460.
Дисертації з теми "Molecular clouds":
Beletsky, Yuri. "Extragalactic molecular clouds and chemistry of diffuse interstellar clouds." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-105670.
Vichetti, Rafael Mário [UNESP]. "Síntese dos isótopos do monóxido de carbono no meio interestelar." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/91889.
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
De acordo com os resultados observacionais de condensações de nuvens moleculares escuras, grandes variações na razão 13CO/C18O são observadas quando se comparam os resultados obtidos nas condensações situadas dentro da mesma nuvem, bem como de nuvem para nuvem. O valor médio dessa razão na condensação principal de Ophiuchus é inferior a 5. Por outro lado, o valor encontrado nas condensações que estão situadas ao norte de Oph é maior que 10. Grandes diferenças também são encontradas quando se comparam os resultados observacionais de diferentes nuvens escuras, tais como Ophiuchus e Taurus, onde são observados também um decréscimo da razão C18O/C17O com o aumento da densidade. Os processos químicos e físicos que governam essas variações ainda não estão claros. Nesse sentido, o objetivo da presente proposta é analisar a influência do colapso gravitacional de condensações de nuvens moleculares escuras na síntese das moléculas CO, C17O, C18O, 13CO, 13C17O e 13C18O. Tal análise é feita com base em comparações entre modelos que consideram diferentes condições entre si, tais como, tamanho da cadeia química, velocidade de colapso, densidade inicial e processos de congelamento de espécies químicas na superfície de grãos de poeira. Os resultados obtidos mostram que o tamanho da cadeia química tem influência nas razões 13CO/C18O e C18O/C17O, mas não tanto quanto a densidade inicial e a velocidade do colapso. Além disso, o congelamento das espécies químicas nos grãos é mais significativo nos estágios mais avançados da evolução da condensação. Os modelos de condensações escuras que sofrem colapso gravitacional lento e em queda livre reproduzem satisfatoriamente as razões 13CO/C18O e C18O/C17O observadas, o que permite concluir que o colapso gravitacional pode ter um importante efeito nas referidas razões.
According to the observational results of dark molecular clouds condensations, large variations in the ratio 13CO/C18O are observed when comparing the results obtained in the condensations located within the same cloud and cloud to cloud. The average value of this ratio in the main condensation of Ophiuchus is below 5. On the other hand, the value found in the condensations that are located north of Oph is larger than 10. Large differences are also found when comparing the observational results of different dark clouds such as Ophiuchus and Taurus, in which are also found a decrease of the C18O/C17O ratio with increasing density. The chemical and physical processes that govern these variations are still unclear. In this sense, the objective of this proposal is to analyze the influence of the gravitational collapse of centrally condensed clumps of dense molecular gas in the synthesis of the CO, C17O, C18O, 13CO, 13C17O and 13C18O molecules. This analysis is based on comparisons among models that consider different condition, such as, chemical chain, initial density, speed of collapse and freezing processes of the chemical species on the surface of dust grains. The results show that the size of the chemical chain has influence on the 13CO/C18O and C18O/C17O ratios, but they are not as important as the initial density and the speed of the collapse. Furthermore, the freezing of chemical species on the grains occurs at later times of the collapse. The models of a gravitational free-fall collapsing core and of slowly contracting core with higher initial density are consistent with observations. These results indicate that the gravitational collapse of molecular cores can have an important effect in the 13CO/C18O and C18O/C17O ratios.
Brown, Ian David. "The velocity of molecular clouds." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293612.
Bretherton, Derek. "Star formation in molecular clouds." Thesis, Liverpool John Moores University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402927.
Rowles, Jonathan Henry. "The structure of molecular clouds." Thesis, University of Kent, 2011. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544095.
Richardson, Kevin John. "Submillimetre molecular line observations and modelling of molecular clouds." Thesis, Queen Mary, University of London, 1985. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1705.
McElroy, Daniel. "Grain surface chemistry in molecular clouds." Thesis, Queen's University Belfast, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.602462.
Morisawa, Yusuke. "Spectroscopic study of some chemically significant molecules in molecular clouds." 京都大学 (Kyoto University), 2005. http://hdl.handle.net/2433/144599.
García, Fuentes Pablo Fernando. "Giant Molecular Clouds in the Southern Milky Way." Tesis, Universidad de Chile, 2007. http://www.repositorio.uchile.cl/handle/2250/104575.
Dobbs, Clare Louise. "The formation of molecular clouds in spiral galaxies /." St Andrews, 2007. http://hdl.handle.net/10023/214.
Книги з теми "Molecular clouds":
Serra, Guy, ed. Nearby Molecular Clouds. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/3-540-15991-6.
Herrmann, Franz. Atomic oxygen in molecular clouds. Garching bei München: Max-Planck-Institut für extraterrestrische Physik, 1993.
A, James R., Millar T. J. 1952-, and University of Manchester. Astronomy Dept., eds. Molecular clouds: The proceedings of a conference at the Department of Astronomy, University of Manchester, 26-30 March 1990. Cambridge [England]: Cambridge University Press, 1991.
A, James R., Millar T. J, and University of Manchester. Astronomy Dept., eds. Molecular clouds: The proceedings of a conference at the Department ofAstronomy, University of Manchester, 26-30 March 1990. Cambridge (England): Cambridge Univerversity Press, 1991.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., ed. Molecular clouds in the Carina arm. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., ed. Molecular clouds in Orion and Monoceros. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.
N, Mead Kathryn, University of Texas at Austin. Dept. of Astronomy, McDonald Observatory, and United States. National Aeronautics and Space Administration, eds. Molecular clouds in the outer galaxy. Austin, Tex: University of Texas at Austin, Dept. of Astronomy and McDonald Observatory, 1986.
United States. National Aeronautics and Space Administration., ed. Theoretical studies in interstellar cloud chemistry: Final report. [Washington, DC: National Aeronautics and Space Administration, 1993.
United States. National Aeronautics and Space Administration., ed. [Theory of grain alignment in molecular clouds]: [annual status report, 1 May 1992 - 28 Feb. 1993]. [Washington, DC: National Aeronautics and Space Administration, 1993.
Handa, T. Thermal SiO and H13CO+ line observations of the dense molecular cloud G0.11-0.11 in the galactic center region. Nobeyama, Minamisaku, Nagano-ken, Japan: Nobeyama Radio Observatory of the National Astronomical Observatory, 2005.
Частини книг з теми "Molecular clouds":
Blitz, Leo, and Jonathan P. Williams. "Molecular Clouds." In The Origin of Stars and Planetary Systems, 3–28. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4509-1_1.
Carraro, Giovanni. "Molecular Clouds." In UNITEXT for Physics, 319–40. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75293-4_15.
Jaffe, D. T. "Warm Molecular Clouds." In Astrochemistry of Cosmic Phenomena, 311–15. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2761-5_68.
Reitner, Joachim. "Cosmic Molecular Clouds." In Encyclopedia of Geobiology, 292–93. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-1-4020-9212-1_243.
Wilson, T. L., R. A. Gaume, K. J. Johnston, and J. Schmid-Burgk. "Galactic Molecular Clouds." In ESO Astrophysics Symposia, 177–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-540-69999-6_25.
Lebrun, F. "A synthetic view at large scale of local molecular clouds." In Nearby Molecular Clouds, 3–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/3-540-15991-6_67.
de Vries, C. P. "Comparison of optical appearance and infrared emission of extended dust clouds." In Nearby Molecular Clouds, 20–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/3-540-15991-6_69.
Boulanger, F., B. Baud, and G. D. van Albada. "Correlation of high galactic latitude HI and FIR emission and warm dust in the neutral interstellar medium." In Nearby Molecular Clouds, 28–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/3-540-15991-6_71.
Ungerer, V., N. Mauron, J. Brillet, and Nguyen-Quang-Rieu. "C18—O and optical observations of the Taurus cloud in front of 3C 111." In Nearby Molecular Clouds, 68–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/3-540-15991-6_77.
Beichman, C. A., J. P. Emerson, R. E. Jennings, S. Harris, B. Baud, and E. T. Young. "IRAS observations of star formation in nearby molecular clouds." In Nearby Molecular Clouds, 95–103. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/3-540-15991-6_83.
Тези доповідей конференцій з теми "Molecular clouds":
Puy, Denis, and Monique Signore. "Primordial molecular clouds." In 3 K COSMOLOGY. ASCE, 1999. http://dx.doi.org/10.1063/1.59317.
Phillips, Thomas G. "Millimeter and submillimeter wave astronomy." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.mh3.
Rice, Johnathan, and Steven Federman. "THE TRANSITION FROM DIFFUSE ATOMIC CLOUDS TO DENSE MOLECULAR CLOUDS." In 73rd International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2018. http://dx.doi.org/10.15278/isms.2018.rl08.
Turner, B. E. "The nature of molecular clouds." In ASTROPHYSICAL IMPLICATIONS OF THE LABORATORY STUDY OF PRESOLAR MATERIALS. ASCE, 1997. http://dx.doi.org/10.1063/1.53334.
Gredel, Roland. "Molecular abundances in translucent clouds." In The 50th international meeting of physical chemistry: Molecules and grains in space. AIP, 1994. http://dx.doi.org/10.1063/1.46571.
Yuan, Chi, and Junhan You. "MOLECULAR CLOUDS AND STAR FORMATION." In Proceedings of the 7th Guo Shoujing Summer School on Astrophysics. WORLD SCIENTIFIC, 1995. http://dx.doi.org/10.1142/9789814533935.
Chevalier, Roger A. "Supernova remnants in molecular clouds." In The eleventh astrophysics conference on young supernova remnants. AIP, 2001. http://dx.doi.org/10.1063/1.1377080.
Krumholz, Mark R., Eduardo Telles, Renato Dupke, and Daniela Lazzaro. "Star Formation in Molecular Clouds." In XV SPECIAL COURSES AT THE NATIONAL OBSERVATORY OF RIO DE JANEIRO. AIP, 2011. http://dx.doi.org/10.1063/1.3636038.
Strong, Andy, Clive Dickinson, and Eric Murphy. "Synchrotron emission from molecular clouds." In Cosmic Rays and the InterStellar Medium. Trieste, Italy: Sissa Medialab, 2015. http://dx.doi.org/10.22323/1.221.0036.
Klessen, Ralf S. "Fragmentation of molecular clouds with GRAPESPH." In The seventh astrophysical conference: Star formation, near and far. AIP, 1997. http://dx.doi.org/10.1063/1.52778.
Звіти організацій з теми "Molecular clouds":
Torres, D. High-Latitude Molecular Clouds as Gamma-Ray Sources for GLAST. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/839757.
Digel, S. Small Molecular Clouds at High Latitudes as Gamma-Ray Sources for GLAST. Office of Scientific and Technical Information (OSTI), March 2005. http://dx.doi.org/10.2172/839933.
Low, Mordecai-Mark Mac, Jayashree Toraskar, Jeffrey S. Oishi, and Tom Abel. Dynamical Expansion of HII Regions From Ultracompact to Compact Sizes in Turbulent, Self-Gravitating Molecular Clouds. Office of Scientific and Technical Information (OSTI), May 2006. http://dx.doi.org/10.2172/882832.
King, P. K. Gas Dynamics Near and Far: Observational Magnetohydrodynamics of Interstellar Molecular Clouds and X-Ray Ablation of Asteroids for the Earth's Defense. Office of Scientific and Technical Information (OSTI), June 2019. http://dx.doi.org/10.2172/1544929.
Shomer, Ilan, Louise Wicker, Uzi Merin, and William L. Kerr. Interactions of Cloud Proteins, Pectins and Pectinesterases in Flocculation of Citrus Cloud. United States Department of Agriculture, February 2002. http://dx.doi.org/10.32747/2002.7580669.bard.
Bacharach, Eran, and Sagar Goyal. Generation of Avian Pneumovirus Modified Clones for the Development of Attenuated Vaccines. United States Department of Agriculture, November 2008. http://dx.doi.org/10.32747/2008.7696541.bard.
Offner, S., M. Krumholz, R. Klein, and C. McKee. The Kinematics of Molecular Cloud Cores in the Presence of Driven and Decaying Turbulence: Comparisons with Observations. Office of Scientific and Technical Information (OSTI), April 2008. http://dx.doi.org/10.2172/938508.
Banai, Menachem, and Gary Splitter. Molecular Characterization and Function of Brucella Immunodominant Proteins. United States Department of Agriculture, July 1993. http://dx.doi.org/10.32747/1993.7568100.bard.
Newton, Ronald, Joseph Riov, and John Cairney. Isolation and Functional Analysis of Drought-Induced Genes in Pinus. United States Department of Agriculture, September 1993. http://dx.doi.org/10.32747/1993.7568752.bard.
Sadka, Avi, Mikeal L. Roose, and Yair Erner. Molecular Genetic Analysis of Citric Acid Accumulation in Citrus Fruit. United States Department of Agriculture, March 2001. http://dx.doi.org/10.32747/2001.7573071.bard.