Academic literature on the topic 'NGC 6810'

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Journal articles on the topic "NGC 6810"

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Strickland, David K. "A new superwind galaxy: XMM–Newton observations of NGC 6810." Monthly Notices of the Royal Astronomical Society 376, no. 2 (2007): 523–33. http://dx.doi.org/10.1111/j.1365-2966.2007.11478.x.

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Hekker, S., S. Basu, D. Stello, et al. "Asteroseismic inferences on red giants in open clusters NGC 6791, NGC 6819, and NGC 6811 usingKepler." Astronomy & Astrophysics 530 (May 18, 2011): A100. http://dx.doi.org/10.1051/0004-6361/201016303.

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Corsaro, Enrico, Dennis Stello, Daniel Huber, et al. "ASTEROSEISMOLOGY OF THE OPEN CLUSTERS NGC 6791, NGC 6811, AND NGC 6819 FROM 19 MONTHS OFKEPLERPHOTOMETRY." Astrophysical Journal 757, no. 2 (2012): 190. http://dx.doi.org/10.1088/0004-637x/757/2/190.

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Stello, Dennis, Søren Meibom, Ronald L. Gilliland, et al. "AN ASTEROSEISMIC MEMBERSHIP STUDY OF THE RED GIANTS IN THREE OPEN CLUSTERS OBSERVED BYKEPLER: NGC 6791, NGC 6819, AND NGC 6811." Astrophysical Journal 739, no. 1 (2011): 13. http://dx.doi.org/10.1088/0004-637x/739/1/13.

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Bellamy, B., and D. Stello. "New Seismic Members in NGC 6791 and NGC 6819." EPJ Web of Conferences 101 (2015): 06007. http://dx.doi.org/10.1051/epjconf/201510106007.

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Madejski, Greg M., Chris Done, T. Jane Turner, et al. "Solving the Mystery of the Periodicity in the Seyfert Galaxy NGC 6814." Symposium - International Astronomical Union 159 (1994): 127–30. http://dx.doi.org/10.1017/s0074180900174911.

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The reports of periodic X–ray emission from the Seyfert galaxy NGC 6814 have motivated a number of exotic models for the active nucleus. Our ROSAT observation shows that while the nucleus of NGC 6814 is indeed an X–ray emitter, the periodicity is due to another source, most likely a Galactic accreting binary system, ∼ 37 arc min away.
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Ананьевская, Ю. К., В. Н. Фролов та Е. В. Поляков. "Исследование рассеянного звездного скопления NGC 6800". Письма в астрономический журнал: Астрономия и космическая астрофизика 41, № 07 (2015): 367–76. http://dx.doi.org/10.7868/s0320010815060017.

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Yontan, T., S. Bilir, Z. F. Bostancı, et al. "CCD UBVRI photometry of NGC 6811." Astrophysics and Space Science 355, no. 2 (2015): 267–81. http://dx.doi.org/10.1007/s10509-014-2175-5.

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Kuehn, Charles A., Jason A. Drury, Beau R. Bellamy, et al. "Photometry UsingKepler“Superstamps” of Open Clusters NGC 6791 & NGC 6819." EPJ Web of Conferences 101 (2015): 06040. http://dx.doi.org/10.1051/epjconf/201510106040.

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Pottasch, S. R., D. A. Beintema, and W. A. Feibelman. "Abundances of planetary nebulae NGC 2022, NGC 6818 and IC 4191." Astronomy & Astrophysics 436, no. 3 (2005): 953–65. http://dx.doi.org/10.1051/0004-6361:20042627.

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Dissertations / Theses on the topic "NGC 6810"

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Street, 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.

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The technique of searching for extra-solar planetary transits is investigated. This technique, which relies on detecting the brief, shallow eclipses caused by planets passing across the line of sight to the primary star, requires high-precision time-series photometry of large numbers of stars in order to detect these statistically rare events. Observations of ~ 18000 stars in the field including the intermediate-age open cluster NGC 6819 are presented. This target field contrasts with the stellar environment surveyed by the radial velocity technique, which concentrates on the Solar neighbourho
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Venturi, Giacomo. "The impact of galactic outflows on their host galaxies through spatially resolved spectroscopy." Doctoral thesis, 2019. http://hdl.handle.net/2158/1160629.

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The observed properties of galaxies and supermassive black holes (BH) at their centers suggest that there must be a non-gravitational feedback mechanism regulating their evolution. These are the discrepancy at low and high masses between the observed stellar mass function of galaxies and that predicted by ΛCDM models, the scaling relations between the mass of BHs and the velocity dispersion, mass and luminosity of the host galaxy spheroid and the similarity between BH growth and star formation cosmic histories. Models of galaxy formation and evolution in fact routinely include feedback from ac
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Manne-Nicholas, Emily Rachel. "Determining the Mass of the Supermassive Black Hole in NGC 6814." 2017. http://scholarworks.gsu.edu/phy_astr_diss/94.

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Supermassive black holes (SMBH) are now thought to exist at the center nearly all massive galaxies. Not only are they thought to be ubiquitous, but it was also discovered nearly two decades ago that the mass of these SMBHs correlate strongly with properties of their host galaxies including bulge stellar velocity dispersion (MBH-sigma) and bulge luminosity (MBH-Lbulge). This correlation was not expected due to the tiny size of the SMBH gravitational sphere of influence compared to the size of the host galaxy, and imply a connection between the two, but this connection is still not well-understo
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Book chapters on the topic "NGC 6810"

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Wallinder, F. "A Single Variability Model for NGC 6814 and NGC 5548." In Theory of Accretion Disks — 2. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0858-4_29.

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Bash, F. N., J. H. Davis, D. T. Jaffe, W. F. Wall, and E. C. Sutton. "CO 3-2 Observations of NGC 253." In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_85.

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Abramowicz, M. A., G. Bao, V. Karas, and A. Lanza. "Periodic X-Ray Variability of the Seyfert Galaxy NGC 6814." In Theory of Accretion Disks — 2. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0858-4_19.

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Tacconi, Linda J. "The Azimuthal Distribution of the ISM in NGC 6946." In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_93.

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Moriarty-Schieven, G. H., V. A. Hughes, and R. L. Snell. "NGC 2071: A Twin for L1551, and Evidence for Backflow?" In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_11.

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Kameya, Osamu. "Millimeter and Submillimeter Observations of the NGC 7538 Molecular Cloud." In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_67.

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Rosenthal, E., S. Eales, S. Stephens, and K. Y. Lo. "CO (3-2) Emission from the Nucleus of NGC 6946." In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_92.

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Levi-Montalcini, Rita. "NGF: An Uncharted Route." In The Neurosciences: Paths of Discovery, I. Birkhäuser Boston, 1992. http://dx.doi.org/10.1007/978-1-4684-6817-5_14.

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Howe, J. E., N. Geis, R. Genzel, D. T. Jaffe, A. Poglitsch, and G. J. Stacey. "Extensive C+ 158 µm Line Mapping of W3 and NGC 1977." In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_109.

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Dupraz, C., F. Casoli, F. Combes, and M. Gerin. "CO(1-0) in a Newly-Born Elliptical Galaxy : NGC 7252." In Submillimetre Astronomy. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-015-6850-0_96.

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Conference papers on the topic "NGC 6810"

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Abramowicz, Marek A. "Orbital models for the periodic X-ray flares of NGC 6814." In Testing the AGN paradigm diagnostics. AIP, 1992. http://dx.doi.org/10.1063/1.42222.

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Madejski, G., C. Done, T. J. Turner, et al. "Solving the mystery of the periodicity in the Seyfert galaxy NGC 6814." In The soft x-ray cosmos: ROSAT science symposium and data analysis workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46743.

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Leighly, Karen, Hideyo Kunieda, and Sachiko Tsuruta. "Temporal and spectral X-ray variability from the Seyfert 1 galaxy NGC 6814." In Testing the AGN paradigm diagnostics. AIP, 1992. http://dx.doi.org/10.1063/1.42224.

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Zhou, Jianhua, Tingting Xia, Mian Li, and Min Xu. "A Normalized Circle Intersection Method for Bi-Objective Optimization Programming." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-68101.

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Multi-objective optimization (MOO) problems are encountered in many applications and a number of approaches have been proposed to deal with this kind of problems. Despite the computational efforts, the quality of the Pareto front is also a considerable issue. An evenly distributed Pareto front is desirable for developing analytical expressions. In this paper, a brand new approach called Normalized Circle Intersection (NCI) is proposed, which is able to efficiently generate a Pareto front with evenly-distributed Pareto points for bi-objective problems, no matter the feasible boundary is convex
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Reports on the topic "NGC 6810"

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Madejski, Grzegorz. X-ray Variability of the Magnetic Cataclysmic Variable V1432 Aql and the Seyfert Galaxy NGC 6814. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/813321.

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