. The dwarf galaxy Henize 2-10, seen in visible light by the Hubble Space Telescope. The central light-pink region shows an area of radio emission seen with the Very Large Array. This area indicates the presence of a supermassive black hole drawing in material from its surroundings. This also is indicated by strong X-ray emission from this region detected by the Chandra X-Ray Observatory. Reines, et al., David Nidever, NRAO/AUI/NSF/NASA

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B5EBFF3E3-1918-473C-9195-1919B9D5B11E%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B574ECA0B-0F5C-40B7-A407-106671FFFA35%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B59B2C393-C35F-4C00-976E-E5690FCED94A%7D

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Quasi-stationary electron distributions for the different values of the particle escape time. ... The electron-cyclotron maser instability is widespread in the Universe, producing, e.g., radio emission of the magnetized planets and cool substellar objects. ... The model used takes into account the radiation escape from the source region and the particle flow through this region. ...

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• St Patrick's Parades across Ireland - the largest IYA social event on the
• Terry Mosely's Bulletins
• Japanese Discover Large Earth Crossing Asteroid

... We have studied scaling relations (virial mass versus CO luminosity, luminosity versus size, linewidth versus size) for molecular clouds in the 30 Dor and N 159 regions in the Large Magellanic Cloud. ... The study of molecular clouds in the Galaxy has resulted in a number of scaling relations between global cloud properties such as mass, density, luminosity, size and velocity dispersion (e.g. Larson (1981) , Scoville & Sanders (1987) , Solomon et al. ... Elmegreen B.G., 1989, ApJ , 338 , 178. ...

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• G205.5+0.5
• G74.0-8.5

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Planets . ... This bizarrely shrunken planetary system was found by NASAтАЩs Kepler mission, hence the parent star has been named Kepler-11. ... Planetary scientist and Kepler science team member Jack Lissauer said ?These six planets are mixtures of rock and gases, possibly including water.тАЭ ?аNone of these strange new worlds are likely to be home to any form of life; their surface conditions are simply too extreme. ...

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• Other Galaxies | Astronotes - Part 2
• A Rolling Stone on the Moon | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... A detector map is used to provide a grid of positions over which to calculate and flux weight the ARF. The default detector map is 'flat' which has a weighting of 1.0 for each detector map pixel and is rectangular having sides which just encompass the region specified in the DSS. Only detector map pixels falling within the source region are included in the ARF calculation, e.g. for a circular source box, the pixels in the corners of the detector map will be ignored. ... flat : . ...

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• Comments

... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

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• Double Engine Fuels Star's Remarkable Nebula - Astronomy news

Polycyclic aromatic hydrocarbons in HII regions: correlation with metallicity . ... We have perfomed the aperture photometry of HII regions using infrared images from telescopes Spitzer and Herschel at passbands 3.6, 4.5, 5.8, 8.0, 24, 70 and 160 m. Emission of PAHs are observed at passbands 3.6 - 8.0 m, 24 m is emission likely of hot small particles and finally large particles are responsible for emission at 70 and 160 m. We determine abundances of PAHs using model of Draine Li (2007) . ...

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• Future of the Galaxy

... F. A. Primini, and H. E. Payne, eds. Parallelization of Widefield Imaging in AIPS++ K. Golap, A. Kemball, T. Cornwell, W. Young National Radio Astronomy Observatory Abstract. ... Parallelization of Widefield Imaging in AIPS++ where : Vk (u, v )= Ik (l - lk ,m - mk )exp j 2 (u(l - lk )+ v (m - mk ))dl dm 409 The iterative multi-stage algorithm implemented in AIPS++ proceeds as follows: Ї Calculate residual images for all facets (using 2-D transforms). ... Recalculate residual images and repeat. ...

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• http://www.adass.org/adass/proceedings/adass00/reprints/P1-23.pdf
• Methods for Structuring and Searching Very Large Catalogs
• Parallel Tree N-body Code: Data Distribution and DLB on the CRAY T3D for Large

grdimage - Create grayshaded or colored image from a 2-D netCDF grd file grdimage grdfile -C cptfile -J parameters [ -B tickinfo ] [ -E dpi ] [ -I intensfile ] [ -K ] [ -M ] [ -O ] [ -P ] [ -R west / east / south / north [ r ] ] [ -U [/ dx / dy /][ label ] ] [ -V ] [ -X x - shift ] [ -Y y - shift ] [ -c copies ] grdimage reads a 2-D gridded file and produces a gray-shaded (or colored) map by assigning each contour interval a gray-shade (or color). ... Je lon0 / lat0 / scale (Equidistant). ...

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• Spatial distribution of X-ray binaries at the Galactic center after the
• Discussion and conclusions
• Nomenclature

For particles of very large sizes, scattering can be considered as a result of interference of the rays having multiple reflections and refractions according to the laws of geometrical optics. ... The papers [ 413 , 414 ] presented a method where the scattering field was expressed via the field at the particle surface using the Huygens-Kirchhoff principle, and reflection and refraction laws were employed to find the unknown field (the approach was called physical optics approximation). ...

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• Database of Optical Properties -- Level: subpage
• Polarization efficiency: size/shape/orientation effects
• Rayleigh-Debye-Gans approximation (RDG)

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

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Swirl distribution on the lunar surface: locations antipodal to the young basins? ... THERE ARE TWO MAIN CLASSES OF HYPOTHESISES OF THE SWIRL ORIGIN: FORMATION OF THE SWIRLS IN THE REGIONS ANTIPODAL TO LARGE IMPACT BASINS (1), AND FORMATION OF THE SWIRLS IN RESULT OF COMETARY IMPACTS (2). ... THEY HAVE NEARLY THE SAME AGE. [pic]FIG. ... On the other hand, there are two cases of absence of correlation between swirl areas and regions antipodal to impact basins (for small swirl formations). ...

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• http://selena.sai.msu.ru/Symposium/ant.pdf
• http://selena.sai.msu.ru/Chik/Publications/Aitken/MS015.pdf
• http://selena.sai.msu.ru/Shev/Publications/ms34/MS065.pdf

... ON THE ROLE OF LARGE-SCALE PLASMA IRREGULARITIES AT THE FINAL STAGE OF ANOMALOUS ABSOPTION DEVELOPING UNDER HF HEATING OF THE IONOSPHERE . ... Fig. ... With the aid of numerical statistical modeling based on multiple ray tracing it is shown that in presence of large-scale irregularities the reflected signal amplitude mean value is increased significantly. ... Dependence of the mean amplitude of the reflected from the ionosphere signal on the large-scale (10-50 km) electron density irregularity level...

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J/AstL/vol/page SAI Open Clusters Catalog (Glushkova+, 2009) ================================================================================ Automated search for star clusters in large multiband surveys. ... Color excesses E(B-V), distance moduli and ages were determined for 141 new and 27 known, but poorly studied clusters. We present the Sternberg Astronomical Institute Open Clusters Catalog (SAI OCL Catalog) of coordinates, diameters and main physical parameters of these clusters. ...

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• SAI OCL Catalog Publications

... Submitted by Al Takeda on 08/19/2007 21:04:50 . NGC 6992 (Veil Nebula ? ?eastern region?) . NGC 6992 (Veil Nebula ? ?eastern region?) ? A 2.6 degree diameter supernova remnant in Cygnus. While the Veil can be seen with a 7x50 binoculars in dark skies the filamentary structure can only be seen visually with a large scope of 25 inches or larger. ... 9 August 2007. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Astronomy and the Human Eye

. Russian Version [ MS-Win ] . [ News ] . [ Satellite data ] . [ SMIS ] . [ ] . Fires in Omsk Region . NOAA 14 2/05/2001 10:35 GMT . Data has been processed for the information system "Russian Forest Fires" . Fires near Chernobyl . 23/04/1996, NOAA 14, 10:16 GMT. True-color image . Image of a large fire in Israel, . 2/06/1996 NOAA 14 10:00 GMT . Back to SMIS Home Page .

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• SMIS IKI RAN (Regions Weather)

... Moscow, Russia . ... March-October 2000 . ... Gusev A.S. Multicolor CCD Photometry of Six Lenticular and Spiral Galaxies. ... Gusev A.S., Park M.-G. Structure and stellar population of ringed barred galaxy NGC 2336 // Astronomy and Astrophysics, 2003, V.410, P.117-129. ... Gusev A.S. Photometric Properties of Bars in Galaxies // Astronomy Reports, 2000, V.44, N9, P.579-591. ... Gusev A.S. BVRI CCD Photometry of Pecular Galaxies NGC 5605 and NGC 5665 // Astronomy Reports, 2000, V.44, N9, P.569-578. ...

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• Trudy GAISH, vol. LXV, 1996, Abstracts in English

Likely Impact Sites of Large Fragments of the Tunguska Cosmic Body . ... Kulik. Kulik schematized the tree fall around the Cranberry Hole and at the Southern Bog in order to elucidate the possible location of meteorite fragments. ... We consider that it is necessary to verify the Kulik proposal and to perform at first georadar investigations in the Suslov and Cranberry holes and then drill in the craters to find possible meteorite fragments. ...

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• (Untitled)
• Keywords_39

... at the IITP. 1993-1995: researcher at Moscow International Mathematical Institut. a) Mathematics: Theory of Probability, Random Processes , Mathematical Physics, Theory of Interacted Particle Systems. b) Queueing Theory: Queueing Networks , application of the Theory of Markov Processes with Local Interactions to Networks with a large number of queues, Asymptotical Properties of Queueing ... A.N.Rybko, "Stationary Distributions of Markov Processes Modelling Queueing Networks". ...

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• Information about different buses in Moscow Region (in Russian)
• ANR OTARIE project: transport optimization and applications
• Affiliated Programs

... About meteorites . ... Meteoritic data . Impact Crater Smerdyachee . ... Based on Smerdyachee's depth, near circularity, and its mounded wall, and analysis by N.A. Fillin of nearby Roshal, Russia, the Estonian scientists Yu.V. Krestlane and K.H. Mella proposed in 1987 that Smerdyachee Lake is a meteorite crater. ... In 2002, the Laboratory of Meteoritics of the Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences explored this mysterious lake. ...

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• The Laboratory of Meteoritics, Vernadsky Institute, RAS