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1

Kotarba, Hanna. "Magnetic Field Evolution in Isolated and Interacting Spiral Galaxies." Diss., lmu, 2011. http://nbn-resolving.de/urn:nbn:de:bvb:19-131513.

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2

Privon, G. C., S. Stierwalt, D. R. Patton, et al. "A Widespread, Clumpy Starburst in the Isolated Ongoing Dwarf Galaxy Merger dm1647+21." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/625751.

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Interactions between pairs of isolated dwarf galaxies provide a critical window into low-mass hierarchical, gas-dominated galaxy assembly and the build-up of stellar mass in low-metallicity systems. We present the first Very Large Telescope/Multi Unit Spectroscopic Explorer (VLT/MUSE) optical integral field unit (IFU) observations of the interacting dwarf pair dm1647+21 selected from the TiNy Titans survey. The Ha emission is widespread and corresponds to a total unobscured star formation rate (SFR) of 0.44 M-circle dot yr(-1), which is 2.7 times higher than the SFR inferred from Sloan Digital
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3

Reda, Fatma M. "Isolated elliptical galaxies." Swinburne Research Bank, 2007. http://hdl.handle.net/1959.3/20857.

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Thesis (Ph.D) - Swinburne University of Technology, Faculty of Information & Communication Technologies, 2007.<br>A thesis presented in fulfillment of the requirements of Doctor of Philosophy, Faculty of Information and Communication Technologies, Swinburne University of Technology, 2007. Typescript. Bibliography p. 109-118.
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4

Huang, S. N. "Dynamics of interacting galaxies." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378332.

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5

Zhu, Ming. "Molecular gas in interacting galaxies." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58915.pdf.

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Cullen, H. E. "The physics of interacting galaxies." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.598207.

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This thesis investigates interacting galaxies using two complementary approaches: a statistical study of star formation in a large sample of close pairs of galaxies drawn from the Sloan Digital Sky Survey (SDSS) and a study of the ISM and star forming properties of a small sample of interacting pairs taken from Arp’s atlas, each comprising one early- and one late-type system (E+S pairs). The first part of this thesis investigates the effect of galaxy interaction on star formation using a large volume- and luminosity-limited sample of galaxies drawn from the SDSS. Star-formation rates were calc
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7

Marston, A. P. "Observational aspects of interacting galaxies." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382762.

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8

Wright, G. S. "Infrared activity in interacting galaxies." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/46917.

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Naab, Thorsten. "Structure and dynamics of interacting galaxies." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=961763744.

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10

Jonsson, Patrik. "Simulations of dust in interacting galaxies /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2004. http://uclibs.org/PID/11984.

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11

Doyon, Rene. "Infrared spectroscopy of interacting and merging galaxies." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46284.

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12

Vázquez, Mata José Antonio. "Statistical characterization of galaxies in groups and isolated galaxies : Luminosity Function." Thesis, University of Sussex, 2016. http://sro.sussex.ac.uk/id/eprint/61394/.

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Evolution of galaxies is one of the most important topics in astronomy to understand how the universe has been evolving. In particular, galaxy groups are important because they are the observable equivalent of dark matter (DM) haloes, and thus offer a direct insight into the physics that has occurred in the DM haloes in the Universe up to the present day. Isolated galaxies are crucial for studying intrinsic and secular processes able to affect the structure, morphology, and dynamics of galaxies for obtaining clear relationships and correlations to be confronted with the model predictions. The
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13

Simpson, Edward Thomas. "Electron holography of isolated and interacting magnetic nanocrystals." Thesis, University of Cambridge, 2009. https://www.repository.cam.ac.uk/handle/1810/252128.

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14

Anders, Peter. "Formation and evolution of star clusters in interacting galaxies." Doctoral thesis, [S.l.] : [s.n.], 2006. http://webdoc.sub.gwdg.de/diss/2006/anders.

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15

Clemens, Marcel Spencer. "The interstellar medium and star formation in interacting galaxies." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624179.

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16

Cox, Thomas J. "Star formation and feedback in simulations of interacting galaxies /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2004. http://uclibs.org/PID/11984.

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17

Kristen, Helmuth. "Dynamics of the interstellar matter in galaxies : isolated barred spiral galaxies : cloud formation processes /." Stockholm : Univ, 1998. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=008210174&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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18

Momjian, Emmanuel. "Sensitive very long baseline interferometry studies of interacting/merging galaxies." Lexington, Ky. : [University of Kentucky Libraries], 2003. http://lib.uky.edu/ETD/ukyphys2003d00108/EMthesis.pdf.

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Thesis (Ph. D.)--University of Kentucky, 2003.<br>Title from document title page (viewed onJune 1, 2004). Document formatted into pages; contains ix, 106 leaves : ill. (some col.). Includes abstract and vita. Includes bibliographical references (p. 99-104).
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19

Geng, Annette Monika [Verfasser]. "Numerical Simulations of Magnetic Fields in Interacting Galaxies / Annette Monika Geng." München : Verlag Dr. Hut, 2013. http://d-nb.info/1031845003/34.

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20

Verley, Simon. "Environmental quantification and Hα characterisation of the most isolated galaxies in the local universe". Observatoire de Paris (1667-....), 2005. https://hal.science/tel-02071413.

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Le rôle de l'environnement sur l'évolution des galaxies n'est pas encore entièrement connu. Pour quantifier les rôles joués par les processus externes, on doit identifier un échantillon de galaxies isolées. Nous avons étudié 950 galaxies en provenance du Catalogue de Galaxies isolées et évalué leur isolation. Nous avons défini, comparé et discuté différents critères pour quantifier le degré d'isolation de ces galaxies, comme la densité de surface locale, l'estimation des forces de marées externes affectant chaque galaxie isolée. De plus nous avons cherché les redshifts des galaxies centrales a
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21

Baxter, Keith Michael. "Investigating the physics of star formation in isolated and perturbed galaxies." Thesis, University of Cambridge, 2000. https://www.repository.cam.ac.uk/handle/1810/251708.

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This thesis concentrates on the numerical modelling of star formation in isolated and perturbed systems, with particular emphasis on the effects of feedback. In view of the complicated nature of star formation within an individual molecular cloud, a stochastic approach is adopted in which the timescale for star formation occurring is assumed to be a function of the cloud's mass and temperature. Feedback is included in some models by assuming that star formation may also be triggered as the result of expanding supernova remnants generating shocks in clouds. Two different models for cloud growth
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22

Hupp, Markus. "Simulating Star Formation and Turbulence in Models of Isolated Disk Galaxies." Doctoral thesis, kostenfrei, 2008. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-34510.

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We model Milky Way like isolated disk galaxies in high resolution three-dimensional hydrodynamical simulations with the adaptive mesh refinement code Enzo. The model galaxies include a dark matter halo and a disk of gas and stars. We use a simple implementation of sink particles to measure and follow collapsing gas, and simulate star formation as well as stellar feedback in some cases. We investigate two largely different realizations of star formation. Firstly, we follow the classical approach to transform cold, dense gas into stars with an fixed efficiency. These kind of simulations are know
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23

FANALI, ROSSELLA. "Bar-formation as driver of gas inflows in isolated disc galaxies." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2015. http://hdl.handle.net/10281/96384.

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Stellar bars are a common feature in massive disc galaxies. On a theoretical ground, the response of gas to a bar is generally thought to cause nuclear starbursts and, possibly, AGN activity once the perturbed gas reaches the central super-massive black hole. By means of high resolution numerical simulations we detail the purely dynamical effects that a forming bar exerts on the gas of an isolated disc galaxy. The galaxy is initially unstable to the formation of non-axisymmetric structures, and within 1 Gyr it develops spiral arms that eventually evolve into a central stellar bar on kpc scale.
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24

Cox, Isaiah, and Beverly J. Smith. "Multi-Wavelength Statistics of Clumpy Galaxies." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/asrf/2018/schedule/100.

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We calculated the fraction of ‘clumpy’ galaxies (fclumpy) for three samples of nearby galaxies. These samples include interacting galaxies with strong tidal features, collisional ring galaxies, and normal spiral galaxies. We define a ‘clumpy’ galaxy as a galaxy that has luminous star-forming regions contributing more than 8% of the total flux for the galaxy. We calculate fclumpy for 16 different wavelengths. We find that fclumpy is highest in the ultraviolet, Hα, and 24μm, while fclumpy is the lowest in optical and near-infrared wavelengths. We also see a significant increase in fclumpy for th
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25

Thorpe, Maria Anastasia. "Deformation and buckling of isolated and interacting thin shells in an elastic medium." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/deformation-and-buckling-of-isolated-and-interacting-thin-shells-in-an-elastic-medium(14b4172d-e302-4cf7-9ab2-9718e9aa182f).html.

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This thesis aims to model the effects of interaction and buckling upon pairs of micro-shells embedded within an elastic medium under far field hydrostatic pressure. This analysis is motivated by the role shell buckling plays in the nonlinear nature of the pressure relative volume curve of elastomers containing micro-shells. Current models of the effective properties of these types of composites assume shells are in a dilute distribution within the host medium, and as such assume shells will buckle at the pressure of the associated isolated embedded shell model. For composites with a high volum
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26

Mulia, Alexander John. "Stellar Populations in Nearby Merging Galaxies." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1449827923.

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27

Lanz, Lauranne. "Constraining the Evolution of Galaxies over the Interaction Sequence with Multiwavelength Observations and Simulations." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:11129.

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Interactions are crucial for galaxy formation and profoundly affect their evolution. However, our understanding of the impact of interactions on star formation and activity of the central supermassive black hole remains incomplete. In the canonical picture of the interaction process, these processes are expected to undergo a strong enhancement, but some recent studies have not found this prediction to be true in a statistically meaningful sense. This thesis uses a sample of local interactions observed from the ultraviolet to the far-infrared and a suite of N-body hydrodynamic simulations of in
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28

Reynolds, Amanda Jane. "In vivo and in vitro studies of isolated and interacting dermal and epidermal components of the integument." Thesis, University of Dundee, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500595.

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29

Flores, Sergio Patricio Torres. "Estudo da cinemática de galáxias em grupos compactos." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/14/14131/tde-27092010-163841/.

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Esta tese apresenta resultados sobre a estrutura, relações de escala e cinemática para 48 galáxias em 22 grupos compactos de Hickson, sendo que a apresentação de mapas de velocidades, monocromáticos (na linha H alpha) e de dispersão de velocidades são feitos pela primeira vez para 35 galáxias em 12 dos grupos. A partir dos mapas de velocidades e imagens óticas, foi possível obter os parâmetros cinemáticos, morfológicos e as curvas de rotação das galáxias da presente amostra. Usando as velocidades máximas de rotação para cada galáxia (derivadas das curvas de rotação) e as luminosidades óticas
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30

Belles, Pierre-Emmanuel Aime Marcel. "Formation of stars and star clusters in colliding galaxies." Thesis, University of Hertfordshire, 2013. http://hdl.handle.net/2299/10312.

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Mergers are known to be essential in the formation of large scale structures and to have a significant role in the history of galaxy formation and evolution. Besides a morphological transformation, mergers induce important bursts of star formation. These starburst are characterised by high Star Formation Efficiencies (SFEs) and Specific Star Formation Rates, i.e., high Star Formation Rates (SFR) per unit of gas mass and high SFR per unit of stellar mass, respectively, compared to spiral galaxies. At all redshifts, starburst galaxies are outliers of the sequence of star-forming galaxies defined
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31

Fuse, Christopher Robert. "Isolated early-type galaxies and the use of x-ray diagnostics to determine the evolution history of merging and merged systems." [Fort Worth, Tex.] : Texas Christian University, 2008. http://etd.tcu.edu/etdfiles/available/etd-12192008-111832/unrestricted/fuse.pdf.

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32

Abdul-Halim, K. K. "Preliminary elucidation of the methanogenic fermentations of veratric and syringic acids by interacting microbial associations isolated from anoxic freshwater sediment." Thesis, University of Stirling, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381514.

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33

Lorenz, Jeanette. "Search for strongly interacting supersymmetric particles decaying to final states with an isolated lepton with the ATLAS detector at the LHC." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-167877.

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Two analyses searching for squarks and gluinos which decay into final states with multiple jets, an isolated electron or muon and a large missing transverse energy are presented. Both rely on data taken by the ATLAS detector in pp collisions at a center-of-mass energy of 8 TeV at the LHC during 2012. The first analysis uses a subset of 5.8 fb-1 of this dataset, the other analysis uses the full statistics of 20.3 fb-1. Both analysis share the same methods regarding the triggers and the background estimation techniques. The two dominant backgrounds are ttbar and W+jets production. The ttb
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34

Belles, Pierre-Emmanuel. "Formation d’étoiles et d’amas stellaires dans les collisions de galaxies." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112312/document.

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Les fusions sont un évènement essentiel dans la formation des grandes structures de l’Univers; elles jouent un rôle important dans l’histoire de formation et l’évolution des galaxies. Outre une transformation morphologique, les fusions induisent d’importants sursauts de formation d’étoiles. Ces sursauts sont caractérisés par des Efficacités de Formation Stellaire (EFS) et des Taux de Formation Stellaire Spécifiques (TFSS), i.e., respectivement, des Taux de Formation Stellaire (TFS) par unité de masse gazeuse et des TFS par unité de masse stellaire, plus élevés que ceux des galaxies spirales. A
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35

Lorenz, Jeanette [Verfasser], and Dorothee [Akademischer Betreuer] Schaile. "Search for strongly interacting supersymmetric particles decaying to final states with an isolated lepton with the ATLAS detector at the LHC / Jeanette Lorenz. Betreuer: Dorothee Schaile." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/1049393201/34.

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36

Cerqueira, Stanley Miranda. "Identifica??o de candidatas a gal?xias interagentes no infravermelho pr?ximo a baixos redshifts." Universidade Estadual de Feira de Santana, 2016. http://localhost:8080/tede/handle/tede/446.

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Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2017-02-16T20:59:48Z No. of bitstreams: 1 Dissertacao_stanley.pdf: 4369040 bytes, checksum: ed63301078418b326241edb9682820e8 (MD5)<br>Made available in DSpace on 2017-02-16T20:59:48Z (GMT). No. of bitstreams: 1 Dissertacao_stanley.pdf: 4369040 bytes, checksum: ed63301078418b326241edb9682820e8 (MD5) Previous issue date: 2016-08-26<br>Interacting peculiar galaxies are objects that still require further studies because they play an important role in the processes of the evolution of galaxies. The knowledge of its lo
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37

Soulain, Anthony. "Étude des nébuleuses spirales de poussière autour des étoiles Wolf-Rayet." Thesis, Université Côte d'Azur (ComUE), 2018. http://www.theses.fr/2018AZUR4245/document.

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Les étoiles massives représentent un des principaux contributeurs à l'enrichissement des galaxies en éléments lourds et en poussière interstellaire. L’ultime étape de leur évolution est représentée par le stade Wolf-Rayet (WR). Les étoiles WR présentent la particularité de générer un vent stellaire radiatif dense, qui peut interagir avec celui d’un compagnon proche, donnant naissance à un environnement de poussière en forme de spirale. Les ordres de grandeur associés à ce type d’objet sont spectaculaires : avec un taux de formation de poussière équivalent à la masse de la planète Mars produite
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38

Kotarba, Hanna Helena [Verfasser]. "Magnetic field evolution in isolated and interacting spiral galaxies / submitted by Hanna Helena Kotarba." 2011. http://d-nb.info/1013250923/34.

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39

Kumar, Ankit. "A study of the evolution of the bulges and disks of spiral galaxies in interacting and isolated environments." Thesis, 2022. https://etd.iisc.ac.in/handle/2005/6023.

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Galaxies are usually found in groups and clusters where they interact with each other gravitationally. These interactions affect the internal dynamics of the galaxies. In this thesis, we have studied the effect of flyby interactions and dark matter distributions on the evolution of bulges and disks of spiral galaxies. To understand the effect of flyby interactions on the bulges, disks, and spiral arms of Milky Way mass galaxies, we modelled disk galaxies with two types of bulges: classical bulges and boxy/peanut pseudo-bulges. We have performed N-body simulations of galaxy flybys of 10:1 and 5
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40

Liang, Mao-Chang, and 梁茂昌. "Multi-Wavelength Studies of Interacting Galaxies." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/30971265433886398089.

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碩士<br>國立清華大學<br>物理學系<br>88<br>In this article, we select 22 interacting galaxies for studying their physical difference and similarities. I organise this article as following parts. Part. I, I describe their optical, near-infrared, and CO(1-0) properties. Part. II, the main point is their properties of 20 cm radio continuum. Part. III, I discusse the typical interacting galaxies, the Antennae, of its kinematics of molecular clouds in interacting region. And, the descriptions of interacting galaxies are in Part. IV. Part. I. We have studied optical, near-in
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Růžička, Adam. "Interacting Galaxies Magellanic Clouds and Milky Way." Doctoral thesis, 2006. http://www.nusl.cz/ntk/nusl-268614.

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42

Olson, Kevin Mark. "Gas dynamics in interacting and merging galaxies." 1990. https://scholarworks.umass.edu/dissertations/AAI9022730.

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In this dissertation I develop a three dimensional model of the dynamics of gas clouds in interacting galaxies. The gas clouds move under the combined gravitational influence of two galaxies passing close to each other. By performing a multipole expansion of the gravitational field I am able to include the effects of self-gravity within a galaxy. This also allows me to model the case in which the two galaxies merge. The gas clouds are allowed to interact with one another by colliding. They either coalesce to form a larger cloud or are disrupted, depending on their relative kinetic energy as co
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43

Spavone, Marilena. "Multiwavelength study of interacting and peculiar galaxies." Tesi di dottorato, 2010. http://www.fedoa.unina.it/8239/1/spavone_marilena_23.pdf.

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I present a multiwavelength study of a sample of peculiar galaxies in order to constraint the physics of interacting objects, to study how the physical processes affect the structure of galaxies, and to derive some hints on the formation and evolution history of such galaxies. One of the major open issues in modern cosmology is to understand how galaxies formed and evolved. Its likely that the formation of galaxies was dominated by two processes: the assembly of luminous and dark matter through accretion and merger, and the conversion of baryonic and non-baryonic matter into stars. This is t
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44

McCain, Claudia Faye. "Morphology and kinematics of interacting galaxies : the spheroidal + irregular pairs." Phd thesis, 1997. http://hdl.handle.net/1885/146026.

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45

Scudder, Jillian Marie. "Gas flows in interacting galaxies: a multiwavelength study." Thesis, 2014. http://hdl.handle.net/1828/5313.

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A galaxy’s evolution is quite sensitive to the impact of external influences. In this thesis, the impact of external environment from both large and small scale effects is investigated, along with a study of how the HI gas fraction of a galaxy can modulate a galaxy’s response to perturbations by galaxy–galaxy interactions. This thesis makes use of the statistical power of the Sloan Digital Sky Survey Data Release 7 (SDSS DR7) to assemble a large spectroscopic sample of galaxies, select samples of interest, and select control samples of galaxies matched to each galaxy within the sample of inter
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46

Tan, Sze-Yeong, and 陳詩湧. "Data Mining for Gravitational Lenses and Interacting Galaxies." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/05382460875998395002.

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碩士<br>國立中央大學<br>天文研究所<br>92<br>The scientific operations of space telescopes and ground-based facilities worldwide have produced a flood of astronomical data waiting to be analyzed. Thus the development of fast and efficient system is in urgent demand for the purpose of data mining. The discovery of gravitational lensing events and interacting galaxies are very important in the study of cosmology. However, both types of structures are relatively rare and often hidden in the mountain of images. For these reasons, we have developed an automatic system to identify these objects from image archi
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47

Pisano, Daniel Joseph. "The formation and evolution of isolated galaxies." 2001. http://www.library.wisc.edu/databases/connect/dissertations.html.

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48

Nicholls, David Conway. "Nebular metallicities in isolated dwarf irregular galaxies." Phd thesis, 2014. http://hdl.handle.net/1885/11923.

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The motive for this work was to investigate whether small, isolated gas-rich galaxies show evidence of chemical evolution, by studying their nebular metallicities. I have identified a sample of 83 objects chosen for low luminosity and mass, the presence of active star formation, and isolation from other galaxies and galaxy clusters that might generate tidal effects or enrich the intergalactic medium. From these I have measured the spectra of 35 objects, using theWiFeS IFU spectrograph on the ANU 2.3m telescope at Siding Spring. In analysing spectra extracted from the WiFeS data cubes, I
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49

Bridge, Carrie R. "The star formation and merger evolution of interacting galaxies." 2007. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=742498&T=F.

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50

English, Jayanne. "Gas dynamics and globular cluster formation in interacting galaxies." Phd thesis, 1994. http://hdl.handle.net/1885/138288.

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