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1. Active Galaxy Centaurus A
... Active Galaxy Centaurus A . ... Credit: X-ray - NASA , CXC , R.Kraft ( CfA ), et al. ... Explanation: A mere 11 million light-years away, Centaurus A is a giant elliptical galaxy - the closest active galaxy to Earth. ... Centaurus A's central region is a jumble of gas, dust, and stars in optical light, but both radio and x-ray telescopes trace a remarkable jet of high-energy particles streaming from the galaxy's core. ... Publications with keywords: Centaurus A - active galaxy - NGC 5128 . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1225522 -- 14.5 Кб -- 10.01.2008
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2. APOD: 2008 January 10 - Active Galaxy Centaurus A
... 2008 January 10 . Active Galaxy Centaurus A . Credit: X-ray - NASA , CXC , R.Kraft ( CfA ), et al. ... Explanation: A mere 11 million light-years away, Centaurus A is a giant elliptical galaxy - the closest active galaxy to Earth. ... Centaurus A's central region is a jumble of gas, dust, and stars in optical light, but both radio and x-ray telescopes trace a remarkable jet of high-energy particles streaming from the galaxy's core. ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap080110.html -- 5.6 Кб -- 12.04.2008
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3. RCJ0311+0507
... A radio galaxy is a galaxy that emits an unusually big amount of energy at radio wavelengths. ... Inside of each galaxy with an active nucleus (radio galaxies are among them) there must be a system of a "central machine" responsible for the colossal amount of the emitted energy from radio to gamma ranges. ... Sometimes a radio source in an active galaxy may flare again if the needed conditions appear (a new portion of matter would fall into the furnace of the "central machine"). ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/RC0311/ -- 7.8 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/RC0311/ -- 7.8 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/RC0311/ -- 7.8 Кб -- 02.10.2012
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4. STScI Active Galaxies Lunch Talk Series
... Location: STScI Cafeteria Conference Room . The STScI Active Galaxies Lunch series provides a forum for interaction between researchers at STScI, JHU and the surrounding area who are interested in astrophysical processes related to active galaxies and black holes. ... Massive Elliptical Galaxies and the Most Massive Black Holes" . ... Lensed, IR-Luminous Galaxies at 1 < z < 3: AGN and Star-Forming Galaxies at the Spitzer Confusion Limit" . ... Feb 9: . Marco Chiaberge (STScI) . ...
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Ссылки http://www.stsci.edu/~koekemoe/agn-lunch/ -- 6.0 Кб -- 12.07.2007
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5. Programme - Abstract
... Programme . ... Abstract: Centaurus A provides us with our best chance of interpreting many of the phenomena that we see in active galaxies. ... The talk will concentrate on the nature of the non-thermal emission and the interactions between the non-thermal and thermal plasmas on kpc scales, and attempt to generalize from Centaurus A to other radio galaxies at greater distances. go back . CSIRO 2009 Legal Notice / Privacy Statement Last modified: 15/11/2010 ...
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Ссылки http://www.atnf.csiro.au/research/cena/programme_show_abstract_bir.php -- 3.9 Кб -- 02.10.2012
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6. ESO - Thesis Topic: Black hole accretion versus star burst episodes: what is
... PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Black hole accretion versus star burst episodes: what is the engine of powerful active galaxies? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... The aim of this research project is to understand the emission mechanism(s) in these active galaxies: . how much power is ultimately due to accretion onto supermassive black holes and how much is due to star formation processes ? ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-andreani03.html -- 27.2 Кб -- 10.04.2016
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7. Vladimir Marsakov Abstracts
... The distributions of orbits eccenttricities and of angular momenta for the halo stars and the old disk population are considered. The distributions have gaps separating the halo from the disk and dividing the halo population into three groups. ... Рассмотрены распределения звезд гало и старого населения диска по величине эксцентриситета орбит и угового момента. Распределения имеют провалы, отделяющие гало от диска и делящие населения гало на три группы. ...
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Ссылки http://ip.rsu.ru/~marsakov/abs/abst5.htm -- 4.6 Кб -- 02.02.2007
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8. Hubble Provides Multiple Views of How to Feed a Black Hole (PRC98-14)
... NASA's Hubble Space Telescope offers a stunning unprecedented close-up view of a turbulent firestorm of starbirth along a nearly edge-on dust disk girdling Centaurus A, the nearest active galaxy to Earth. A ground-based telescopic view (upper left insert) shows that the dust lane girdles the entire elliptical galaxy. This lane has long been considered the dust remnant of a smaller spiral galaxy that merged with the large elliptical galaxy. ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Cauldron.html -- 4.3 Кб -- 10.04.2001
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9. Abstract 192
We present observational radial velocity curves for 12 chromospherically active binary systems and individual measurements for a further 5 systems. ... Six of our target binaries do not agree with published ephemerides or orbital parameters. We also present a rigourous derivation of the resolution limit for binary star cross-correlation radial velocities. ... Key Words: stars:binaries:close-stars:binaries:spectroscopic-techniques: radical velocities. ...
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Ссылки http://star.arm.ac.uk/~ambn/abstract192.html -- 2.1 Кб -- 16.08.1996
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10. Galaxy Gallery Page III
Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...
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Ссылки http://zebu.uoregon.edu/sb.html -- 3.1 Кб -- 26.05.2000
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11. The ROSAT AGN
... We present 5GHz high resolution VLA observations of 2,127 radio-- and X-ray--emitting sources found in both the Green Bank (GB) 5GHz radio catalog and the ROSAT All-Sky Survey (RASS). We report core flux densities and positions accurate to =-0.5". ... This table has 1861 rows and 9 columns giving: Catalog source name, RA and DEC (J2000), observation code, S/N ratio, VLA core flux density at 5 GHz (mJy), Green Bank flux density at 5 GHz (mJy), error in Green Bank flux density (mJy), and Notes. ...
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Ссылки http://www.sao.ru/cats/doc/ROSAT_Laur.html -- 3.8 Кб -- 18.03.2015
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12. http://www.naic.edu/vscience/schedule/tpfiles/LeetagA1359tp.ps
Proposal Identi cation No.: A1359 Date Received: 1999-Oct-01 18:30:11 Technical Page Proposal Type: Regular General Category: Astronomy Sub-Category: Spectroscopy Observation Category: Extragalactic Total Time Requested: 82 Hours Proposal Title: KISS Dwarfs: The HI Properties of a Complete Sample of Active Star-Forming Dwarf Galaxies ABSTRACT: We propose to obtain HI observations for a new, ultra-deep sample of 111 active star-forming dwarf galaxies. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/LeetagA1359tp.ps -- 87.4 Кб -- 19.04.2004
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13. active galactic nuclei | Astronomy.com
... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... active galactic nuclei . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...
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Ссылки http://www.astronomy.com/tags/active-galactic-nuclei -- 56.5 Кб -- 09.04.2016
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14. ADASS 2003 Conference Proceedings
... Starting from a grid of theoretical population synthesis models we constructed a set of model galaxies with a distribution of ages, metallicities and intrinsic reddening. ... We propose an optimization technique that combines active learning with an instance-based machine learning algorithm. ... In order to solve the problem more efficiently, we pose it as a learning problem, where a learning algorithm learns the reddening parameters , and with a forward model we compute . ... Let be the test set. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P7-1/ -- 28.1 Кб -- 27.08.2004
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15. The Chandra Multiwavelength Project (ChaMP)
... The Chandra Multiwavelength Project (ChaMP) seeks to understand the nature and evolution of quasars, galaxies, and clusters of galaxies in a large, carefully constructed multi-wavelength survey. ... Recent ChaMP Papers . The Field X-ray AGN Fraction to z=0.7 from the Chandra Multiwavelength Project and the Sloan Digital Sky Survey , Haggard, D., Green, P.J., Anderson, S.F., Constantin, A., Aldcroft, T., Kim, D.-W., Barkhouse, W.A. 2010, ApJ, 723, 1447 (arXiv:1004.1638) . ... 2009, ApJ, 690, 644 . ...
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Ссылки http://hea-www.harvard.edu/CHAMP/ -- 9.8 Кб -- 27.02.2014
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16. Other WWW Sites
M87 Gas Disk and Optical Jet (STSci) . SEDS Messier Catalogue M87 Page (U. Arizona) . Black Hole and Jet in M87 (NASA/GSFC) . ... The large scale radio structure is shown in the 3CRR Atlas . Richard White's Virgo Cluster page has optical and X-ray images of the large-scale environment of M87 . ... HST Observes Distant Radio Galaxies (STScI) . HST Finds a Black Hole in NGC4261 (STScI) . HST finds a Bare Black Hole Pouring out Light in NGC6251 . ... Alan Bridle's Home Page . ...
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Ссылки http://sed.sao.ru/otherwww.htm -- 4.2 Кб -- 13.03.2001
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17. Galaxy Evolution Bojan Nikolic web pages (r. 329)
... Bojan Nikolic web pages (r. 329) . A gallery of interacting galaxies . ... The history of star formation and mass assembly in early-type galaxies . ... Abstract . ... Complete plots of radiospec analysis . Analysis of (radio) spectra . ... Nested Sampling in R & analysis of spectra . ... Paper II: Spinning dust in galaxies . ... The search results are restrict to these pages only . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/galevol/index.html -- 8.8 Кб -- 04.04.2016
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18. Towards a Truly Unified Model of AGN
... Towards a Truly Unified Model of AGN . ... The Unified Model holds that the aspect-dependent effects primarily determine the nature of the active galactic nucleus that we observe. ... The full postscript file can be obtained here: . The PASA Latex file can be obtained here: . The postscript file of Fig 1 can be obtained here: . ...
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Ссылки http://www.mso.anu.edu.au/~mad/unified.html -- 6.8 Кб -- 09.04.2016
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19. ASP: Astronomy in the News
... The color composite image of Centaurus A reveals the lobes and jets emanating from the active galaxy?s central black hole. ... Astronomers have a new insight into the active galaxy Centaurus A (NGC 5128), as the jets and lobes emanating from the central black hole have been imaged at submillimetre wavelengths for the first time. ... Centaurus A hosts a very active and highly luminous central region, caused by the presence of a supermassive black hole is the source of strong radio and X-ray emission....
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Ссылки http://www.astrosociety.org/pubs/mercury/38_02/astronews.html -- 8.0 Кб -- 02.10.2012
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20. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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