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1. APOD: 2014 February 24 - The Cloudy Cores of Active Galaxies
... 2014 February 24 . The Cloudy Cores of Active Galaxies . Image Credit: NASA's GSFC , W. Steffen ( UNAM ) . Explanation: What would it look like to travel to the center of an active galaxy? Most galactic centers are thought to house black hole s millions of times more massive than our Sun. The spaces surrounding these supermassive black holes may be far from dormant, however, flickering in many colors and earning the entire object class the title of Active Galactic Nuclei (AGN). ...
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Ссылки http://www.sai.msu.su/apod/ap140224.html -- 5.4 Кб -- 28.02.2014
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2. The Cloudy Cores of Active Galaxies
... The Cloudy Cores of Active Galaxies . ... Credit Copyright: NASA's GSFC , W. Steffen ( UNAM ) Explanation: What would it look like to travel to the center of an active galaxy? Most galactic centers are thought to house black hole s millions of times more massive than our Sun. ... Publications with keywords: Galactic Center . Publications with words: Galactic Center . ... A Laser Strike at the Galactic Center . ... The Diner at the Center of the Galaxy . Kona Galaxy Garden . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/2014-02-24 -- 14.5 Кб -- 24.02.2014
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3. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
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Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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4. 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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5. 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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6. Spitzer Observations of MAMBO Galaxies: Weeding Out Active Nuclei in
... Accretion onto an obscured central engine is betrayed by the shape of the MIR continuum emission for several sources, confirming Spitzer's potential to weed out active galaxies. ... Sensitive 24 ЮМm observations are clearly a useful route to identify and characterize reliable counterparts to high-redshift far-IR-bright galaxies, complementing what is possible via deep radio imaging. ... ADS Citation Query . citations = 110 . citations vs. year [year,citations] . ...
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Ссылки http://www.stsci.edu/~kgordon/papers/2004ApJS..154..124I.html -- 5.0 Кб -- 21.01.2016
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7. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Seyfert2.txt
... STScI-PRC00-37 HUBBLE CAPTURES AN EXTRAORDINARY AND POWERFUL ACTIVE GALAXY Resembling a swirling witch's cauldron of glowing vapors, the black hole-powered core of a nearby active galaxy appears in this colorful NASA Hubble Space Telescope image. ... The larger outer ring extends off the image and is in the plane of the galaxy's disk. ... The black hole and its accretion disk are expelling gas out of the galaxy's disk and into its halo (the region above and below the disk). ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Seyfert2.txt -- 5.4 Кб -- 04.03.2001
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8. 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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9. 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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10. 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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11. Quasars and Active Galactic Nuclei
... 773Veron-Cetty Veron . Quasars (brighter than absolute magnitude -23) 85221 . ... Active galaxies (fainter than -23) 21737 . VII/248 Quasars and Active Galactic Nuclei (12th Ed.) (Veron+ 2006) ================================================================================ Quasars and Active Galactic Nuclei (12th Ed.) Veron-Cetty M.P., Veron P. =2006A .. ... 374, 92 (Catalogue ) (11) Veron-Cetty M.P., Veron P., 2003, Astron. ...
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Ссылки http://www.sao.ru/cats/doc/VERON_XII.html -- 13.7 Кб -- 18.03.2015
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12. Orientation and Evolutionary Effects in Active Galactic Nuclei
... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Orientation and Evolutionary Effects in Active Galactic Nuclei . ... In this invited review, I present observational results of Active Galactic Nuclei that my colleagues and I have recently obtained. ...
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Ссылки http://www.atnf.csiro.au/pasa/15_2/heisler/paper/index.html -- 50.9 Кб -- 08.04.2016
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13. 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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14. Julie Banfield | Astronomer
... Research . ... A rare hybrid morphology radio galaxy . ... In this project we will be able to investigate the environmental effect on star formation and galaxy evolution in individual galaxies falling into the cluster through radio observations of active galactic nuclei (AGN). Current models of galaxy evolution regulate the star formation rates within the simulated galaxies by invoking radio-mode feedback from AGN. ... Julie.Banfield@anu.edu.au . ...
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Ссылки http://www.mso.anu.edu.au/~julie/ -- 11.6 Кб -- 09.04.2016
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15. http://www.aaa.org/s932/images/09fallclass1.pdf
C C C C C C lass lass lass lass lass lass 1 2 3 4 5 6 Introduction, Background Solar System Stars Galaxies Cosmology Special Topics Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light T lescopes e 1. ... Kirchoff's Laws trum Emission Line Spectrum 2. A low-density, hot gas emits light whose spectrum consists of a series of bright emission lines. ... Absorption Spectrum 3. ...
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Ссылки http://www.aaa.org/s932/images/09fallclass1.pdf -- 1204.6 Кб -- 07.09.2011
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16. PPT Slide
. Some Fundamental Questions? . Last 20 years: understand the mechanics of the main structures found in the Universe. Next 20 years: understand the origin and formation of these structure. What are the seeds of structure? . How do stars form and how is their formation regulated? . What effects do Active Nuclei have in the evolution of galaxies? . When do the first galaxies appear? . Previous slide . Next slide . Back to first slide . View graphic version .
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Ссылки http://www.mrao.cam.ac.uk/~pa/StructureEvolution/tsld002.htm -- 2.1 Кб -- 27.08.1997
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17. The galaxy M100
An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...
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Ссылки http://hea-www.harvard.edu/~juda/ism/m100.html -- 4.5 Кб -- 01.10.2012
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18. WLM Galaxy: a Cosmic Living Fossil | Astronotes
... Our Galaxy . ... Stars . ... Image credit: ESO, Acknowledgement: VST/Omegacam Local Group Survey) . First observed in 1909, the WLM galaxy is part of the Local Group, about 10 million light years (3.1 Mpc) across, this is the set of more than 35 galaxies which includes our own Milky Way. ... I compared this little galaxy to a living fossil because looking at it gives us an insight into a past era in the UniverseтАЩs history. ... Distances and metallicities for 17 Local Group galaxies? . ...
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Ссылки http://www.armaghplanet.com/blog/wlm-galaxy-a-cosmic-living-fossil.html -- 44.4 Кб -- 09.04.2016
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19. Total Solar Eclipse
Next: Press, Radio and Television Up: Public Understanding of Science Previous: Public Understanding of Science Contents . ... Other Armagh astronomers observed the solar eclipse from various parts of Europe, ranging from places in Cornwall (cloudy), Alderney (clear), Northern France (cloudy), to Germany, Austria, Hungary, Bulgaria and Turkey (all clear). ... Next: Press, Radio and Television Up: Public Understanding of Science Previous: Public Understanding of Science Contents Annual-Report-1999 ...
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Ссылки http://star.arm.ac.uk/annrep/annrep99/node20.html -- 5.1 Кб -- 05.05.2000
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20. REU Science Area
... Radio astronomers at Arecibo Observatory observe a wide variety of phenomena in the Milky Way and in other galaxies. ... Some REU projects are carried out on pre-existing data, and others rely on obtaining new data. ... Deriving a new shape model from existing radar images has been a popular student project in past years, and there are data sets that could be used for this. We are collecting thermal infrared emission data for many of the near-Earth asteroids that are also observed with radar. ...
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Ссылки http://www.naic.edu/reu_docs/science_area.html -- 9.5 Кб -- 13.12.2014
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