... 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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• View more active galactic nuclei | Astronomy.com
• Fermi mission finds hints of gamma-ray cycle in an active galaxy | Astronomy...
• NASA satellite reveals active galaxies are different near and far |

e-mail: podgorny@inasan.ru . Institute of Astronomy RAS . ... Spectrum of solar flare protons // Journ. ... The active region magnetic flux correlation with flare appearance. ... Podgorny A. I., Podgorny I. M. Solar Flare Numerical Magnetohydrodynamic Simulation and Solar Flare Model. ... Podgorny A. I., Podgorny I. M. MHD simulation of magnetic field configuration above the active region NOAA. ... Podgorny I. М., Podgorny A. I. The active region magnetic field association with solar flares. ...

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• Abstract

... Use of a NOM profilometer to measure large aspheric surfaces , J. L. Pearson, G. W. Roberts, P. C. T. Rees, S. J. Thompson , Proc. SPIE vol. ... Advances in active x-ray telescope technologies, Atkins, Carolyn; Doel, Peter; Brooks, David; Thompson, Samantha ; Feldman, Charlotte; Willingale, Richard and 7 co-authors, Proc. SPIE vol 7437 (2009). ... A nickel-carbon-fibre composite for large adaptive mirrors: Fabrication methods and properties , S. J. Thompson , D. Brooks, and A. P. Doel, Opt. ...

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• Martin Krause - Publications
• Astrophysics Group Optical Interferometry
• Publication List

... International astronauts are those individuals from international space agencies who have trained or served with NASA Astronauts. Astronaut assignments and category definitions (e.g., "active" astronauts, "management" astronauts) are contained in a separate Flight Operations Directorate (FOD) policy letter. Former astronauts are those who are no longer employed by their agency. Active and Management International Astronauts . Astronaut . ... Former International Astronauts . ...

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• Astronauts

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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... 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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• ASP: Reacting to the Size and Shape of the Universe, Part 2
• ASP: Reacting to the Size and Shape of the Universe
• ASP: World Beat: South Africa

... DLTS . ... Deep Level Transient Spectroscopy ( DLTS ) is a unique and powerful tool for the study of electrically active defects (known as traps) in semiconductors. DLTS can be used in one of two modes of operation; with Schottky diodes or with p-n junctions. ... The capacitance transient is measured as a function of temperature (usually in the range from liquid nitrogen temperature to room temperature 300K or above). ...

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• Gantmakher V.F. - LEK
• Лаборатория Спектроскопии Дефектных Структур ИФТТ РАН
• Institutes of Chernogolovka

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

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• Publications
• Dept. for Physics of Stars&Galaxies
• MAO NASU :: Forum Statistics

Data Archive . Video-records archive . ... 1997 | ... Time (UT) Counter Remarks _______________________________________________________________________________ 05.01. 10:29:17 2:06:42 scan disk 11:58:23 2:11:19 active regions 06.01. 09:49:51 2:12:17 scan disk 10:56:24 2:19:10 active regions 12.01. 09:39:12 2:19:59 scan disk 10:03:41 2:27:51 active region 10:05:09 2:28:34 filament 10:07:17 2:29:10 ...

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• Technical Details
• MFS, HSFA-2 animation
• HSFA 2

... InformChaos Lab took part in CeBIT-2015 (Hannover, Germany) with "Active Ultra Wideband Wireless Networks". ... Lev Kuzmin received Dr.Sci. degree for his thesis "Wireless information transmission over UWB chaotic carrier" from IRE RAS. ... Artem Nikishov received Ph.D. degree from the Moscow Institute of Physics and Technology for the thesis "Generation of microwave chaotic oscillations in self-oscillating systems with several active elements". ... Our Products page is renewed. ... News | ...

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• Actor Prolog. Programming language definition.

... They are known: active quantum frequency standards on the ammonia molecules beams (molecular generator) on the hydrogen generator (hydrogen generator) passive quantum frequency standards on the Cs atoms’ beam (cerium atomic beam tube); active and passive quantum frequency standards with an optical pumping of Cs or Rb steams. The stability of atomic beam quantum frequency standard achieves 10^ - 14. ...

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... A2174 Date Received: 2005 -Oct-03 19:46:57 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Galactic 37.5 Hours An HI Survey of the Perseus Molecular Cloud Complex The Perseus Molecular Cloud Complex is only 250-300 pc distant and is the prototypical region of active, clustered, low-to-intermediate mass star formation. ... Part of the observing run. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/KneetagA2174tp.ps
• http://www.naic.edu/vscience/schedule/tpfiles/LeetagA1359tp.ps
• http://www.naic.edu/vscience/schedule/tpfiles/LeetagA1475tp.ps

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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• Astro-2 and the UIT Experiment
• The Hydrological Cycle
• Plate Boundaries: Convergence Zone

... This Announcement contains detailed information on organizational items, scientific and cultural program of Odessa session GMIC-99. ... 8.00- 23.00 Registration of participants in the hall of Tour-complex "Odessa"(Arcadia region, GAGARIN plateau, 5). ... 8.00- 13.00 Registration of participants in the hall of Tour-complex "Odessa". 10.00-12.00 Program Committee session and press conference dedicated to GMIC-99 (Odessa Scientists' House). ... 9.00- 11.00 Plenary session. ... 13.00- 14.00 Lunch. ...

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• Remote Sensing of the European Seas
• Substorm expansion phase [Oulu]
• Space Weather

... Future seminars . P a s t seminars . Seminar council . Heating of interstellar medium by X-ray radiation from quasars, . statistical properties of active galactic nuclei based on hard X-ray surveys " . based on doctor's thesis) . ... Sazonov (IKI) . ... Based on the second half of the thesis, the following questions will be addressed: . ... A catalog of active galactic nuclei (AGN) selected by flux in the X-ray range 3-20 keV is created. ...

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• From Stargazers to Starships
• The Exploration of the Earth's Magnetosphere"
• Magion History