... A Backward Sunspot and the New Solar Cycle . ... Credit Copyright: MDI , SOHO , ESA , NASA Explanation: Why is sunspot 905 backwards? Perhaps it is a key marker for the beginning of a new magnetic cycle on our Sun . Every 11 years, our Sun goes through a magnetic cycle , at the end of which its overall magnetic orientation is reversed. ... Just now, the Sun is near Solar Minimum , and likely to start a long progression toward the most active time, called Solar Maximum , in about 5.5 years. ...

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• A Large Active Region Crosses the Sun
• Sunspot Metamorphosis: From Bottom to Top
• Sunspots and Solar Active Regions

... 2006 August 30 . A Backward Sunspot and the New Solar Cycle . Credit: MDI , SOHO , ESA , NASA . Explanation: Why is sunspot 905 backwards? Perhaps it is a key marker for the beginning of a new magnetic cycle on our Sun . ... An 11-year solar cycle has been observed for hundreds of years by noting peaks and valleys in the average number of sunspots . ... Solar astronomers predict that the coming Solar Maximum will be unusually active. ... About APOD | ... NASA Official: Jay Norris. ...

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• APOD: 2002 August 1 - Sunspots and Solar Active Regions
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• APOD: 2001 August 16 - Centaurus A: X-Rays from an Active Galaxy

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La com†иte Chury toujours active . ... Cette photo prise le 1 er mars 2016, †а seulement 26,7 km de distance, met en †йvidence un beau jet de mati†иre qui s'†йchappe en bordure des r†йgions Imhotep et Bes, sur le lobe de l'h†йmisph†иre Sud de la com†иte. ... Etat du ciel ...

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• D†йcouverte: du volcanisme r†йcent sur Mercure | Ciel et Espace

... SAO RAN RATAN-600 EXCURSIONS 40 YEARS of R/T REFERENCES . ... GPS radio sources . ... Thursday, April 30, 10-00 . ... Friday, December 19, 10-30 . ... N. Bursov, V. Chaykin, A. Storozhenko "Preliminary results of RATAN-600 antenna measurements with the help of the geostationary Satellite Turksat 2A/3A". ... The basic results. ... Information-analytical system of estimating the parameters of radio sources in continuum with the RATAN-600 (the message for a conference, IPA St. Petersburg). ......

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... Meetings . ... List of all meetings from first one and up to present. Agenda of the session: eng version . ... Agenda of the meeting: eng version . Summary of the meeting: eng version . ... List of RISC members . ... List of participants . ... Agenda of the meeting: eng / rus version . ... Formal minutes: eng version . ... Lists of participants: eng / rus version . Formal minutes: eng / rus version . ... Agenda of the meeting & List of participants . ... Agenda of RISC's meeting . ...

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... Sun images . ... Active areas . August : 2014 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for August 09, 2014 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for August 09, 2014 00:31 UT . ...

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• Sunspots and active regions August 10, 2013
• Sunspots and active regions August 10, 2014
• Sunspots and active regions August 10, 2011

... 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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• PPTA Wiki | PmWiki / Version
• VLBI Wiki | Main / LBASep2009
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... Invited Review Paper. ... In radio-loud AGN, bipolar jets emanating from the nucleus emit radio through gamma-ray light that is relativistically beamed along the jet axes. ... We outline the two most plausible unified schemes for radio-loud AGN, one linking the high-luminosity sources (quasars and luminous radio galaxies) and one the low-luminosity sources (BL~Lac objects and less luminous radio galaxies). ... Table of contents (Postscript file, 38Kb) . ... Postscript versions of all the figures: . ...

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• DFOS: tune your browser
• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• Towards a better understanding of AGN

. Home . Documentation . Watchouts . Help . Calibration . Installation . Software requirements . Download . Notice that SOC-only packages like deceit, newsiam, odfcheck, etc , may appear listed in the list of all packages but no documentation is available for any of them. SAS User's Guide . HTML . PDF . PS . HEASARC ABC Guide (not up to date) . HTML . PDF . ps.gz . Pages maintained by SAS librarian . Any question about SAS should be addressed to the XMM-Newton help desk . Updated on: August 31, 2007

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• Extraction of a X-ray light curve for an EPIC point-like source (GUI version)

... X CB (X) Opening of a set X by a disk B. Closing of a set X by a disk B. Science-Driven Feature Selection (a) (b) Mount Wilson Classification The Mount Wilson classification scheme groups sunspots into four classes based on the complexity of magnetic flux distribution in associated active regions [1]: class : groups dominated by a single unipolar sunspot class : a pair of sunspots of opposite magnetic ... Convex hulls are utilized to measure polarity mixture in (j). ...

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• xterm compatibility problems
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... The full data set is available for retrieval at http://www.stsci.edu/science/starburst99/ . ... 1 Space Telescope Science Institute 3700 San Martin Drive, Baltimore, MD 21218 . ... St. Paul, MN 55105 and Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 . ... 8 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 and D partement de Physique and Observatoire du mont M gantic, Universit Laval, Qu bec, QC, G1K 7P4, Canada . ... toolan@stsci.edu . ...

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• Python: module show_active_props
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... Directives | ... Apache HTTP Server Version 2.2 . ... The most important directives used to control this MPM are ThreadsPerChild , which controls the number of threads deployed by each child process and MaxClients , which controls the maximum total number of threads that may be launched. ... Two directives set hard limits on the number of active child processes and the number of server threads in a child process, and can only be changed by fully stopping the server and then starting it again. ...

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... ALMA . ... Publications list . ... M. S. Clemens, A. Bressan, B. Nikolic and R. Rampazzo, The history of star formation and mass assembly in early-type galaxies , MNRAS 392:35, astro-ph abstract , ADS entry , catalogues, materials . ... ADS entry . ... ADS entry , astro-ph abstract , PDF . ... B. Nikolic: Inference of Coefficients for Use in Phase Correction II: Using the Observed Correlation Between Phase and Sky Brightness Fluctuations , ALMA Memo 588, 2009. pdf , ADS page , supporting materials ....

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• OOF Reduction Software
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. To russian version . This work is dedicated to memory of . G.F. Vyalshin (1931-1999), . the first principal of the project, . who made an overwhelming part of observations.

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• Vladimir G. Ivanov homepage (short version)
• Pulkovo Observatory

... 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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... 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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• Tsydynzhapov G.E. - Publications
• Лаборатория Спектроскопии Дефектных Структур ИФТТ РАН

... Drop points . ... Pick ops use the point in a set nearest to the location of the pointer when clicked to select the set for the chosen operation. ... To activate a set, select the set number, specify the number of points in the set and click on "Accept." ... Press the button marked Accept . ... Press the button marked Accept to divide the selected set into (length of selected set) / N sets with the remainder to the last set. ... Press the button marked Accept to merge all sets to the selected set. ...

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• Sergei Popov
• Australian Currency
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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The Perseid meteor shower, which this year peaked around midnight on the evening of August 12th, will continue at a low rate until around August 24th. ... Video clips in AVI and mp4 formats of some of the brightest Perseid meteors detected by the ObservatoryтАЩs cameras together with an image illustrating the parallel tracks in space of the Perseid meteors detected at Armagh can be found here . ...

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• David Asher publications
• IAJ: On-line
• International Heliophysical Year

... Solar flare activity is produced by the processes of accumulation and release of energy in an active region. ... In the framework of study of solar active regions, producing powerful flares the researchers from the RATAN-600 radio telescope have detected sources with features in the form of a sharp drop in the intensity of polarized radiation in various parts of the recorded frequency range (2-16GHz), sometimes changing the sign of polarization. ...

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• Solar system sector, archive 2001
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Publication List Vladimir Podolskii 1. ... Preliminary version of this paper appeared in Proceedings of the Second International Symposium on Computer Science in Russia, Lecture Notes in Computer Science 4649, pp. ... Preliminary version of this paper appeared in Proceedings, Third International Symposium on Computer Science in Russia, Lecture Notes in Computer Science 5010, pp. ... In Proceedings of Computability in Europe Conference (CiE), Lecture Notes in Computer Science 7318, pp. ...

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• Andrei Romashchenko. Selected papers.
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