The kiloparsec-scale stellar ring of the Centaurus A galaxy Jouni Kainulainen (MPIA) Collaborators: Joao Alves (Caha) Joana Ascenso (CfA) Yuri Beletsky (ESO) Mika Juvela (Helsinki) arXiv:0906.3521: "Uncovering the kiloparsec-scale stellar ring of NGC5128" The Many Faces of Centaurus A Sydney 1st Jul. ... 2009). ... 2009) Jouni Kainulainen The Many Faces of Centaurus A Sydney 1st Jul. ... 2009 Uncovering the stellar light of the structure Jouni Kainulainen The Many Faces of Centaurus A Sydney 1st Jul. ...

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• Pulsar Group PmWiki/Wiki Style Examples
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... title='Сияющие серьги с 2 бриллиантами из красного золота - Эстет - Эстет' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Сияющие серьги с 2 бриллиантами из красного золота 585 пробы. ... 4Pcs Spare 8 inch Anti-collision Protection Ring Fitting for FPV Racing Multirotor . ... Type: Protection Ring . ... Package size (L x W x H): 26.5 x 18.5 x 1 cm / 10.41 x 7.27 x 0.39 inches . ... Package Contents : 4 x Protection Ring . ...

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... click image to view discuss) . ... Bert improved his composite image showing details of the corona. ... He also did a better job of color correction, avoiding a false light bluish hue that was present near the 6 o'clock position on the moon's limb in the earlier image. ... of this image is the seventh-magnitude star SAO 109216. Submitted by Bernie Volz on 05/08/2006 22:12:59 . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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... Observers looking at an object that is moving away from them see light that has a longer wavelength than it had when it was emitted (a redshift), while observers looking at an approaching source see light that is shifted to shorter wavelength (a blueshift). ... By measuring the amount of the shift to the red, we can determine that the bright galaxy is moving away at 3,000 km/sec, which is 1 percent of the speed of light, because its lines are shifted in wavelength by 1 percent to the red. ... Part 2...

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• Spectroscopy
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Next: A Universal Diagram for Up: ``Ecology'' of Magnetic Rotators Previous: The Corotation Radius . The interaction of a magnetic rotator with the surrounding plasma to a large extent depends on the relation between the four characteristic radii: the stopping radius, , the gravitational capture radius,   , the light cylinder radius,   , and the corotation radius,   . ... Hence, the classification of the interaction regimes may well mean the classification of magnetic rotators. ...

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... Высокого качества (19.5 MB) . Низкого качества (2.9 MB) MPEG . ... Низкого качества (2.9 MB) This movie shows dynamic rings, wisps and jets of matter and antimatter around the pulsar in the Crab Nebula as observed in X-ray light by Chandra (left, blue) and optical light by Hubble (right, red). ... To produce a movie of reasonable length the sequence was looped several times, as in looped weather satellite images. ... Авторские права: X-ray: NASA/CXC/ASU/J.Hester et al.; ...

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• Stellarium: StelGeometryBuilder Class Reference

Moon, Planets And Aurora, Oh My! Articles | ... Moon | ... How often do we see several planets and the Moon together? ... Then I look northeast and see more red through all the light pollution of Washington, D.C. I snapped this 15 second photo. ... What started out as a father son photographic safari for rare planet conjunctions turned into a spectacular night of memories. ... Aha, I see some red light near Orion. ... A Very Rare Red Aurora in Northern Virginia, . ... www.astronomy.net . ...

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• Observe Every Photon's Size Experiment - an Astronomy Net Education Forum
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... When it reaches 15 degrees C or around 60 degrees F. we are already feeling the cold and bundle up in blankets. ... When we walk on the beach which is about a half mile away from our school, we can hear the roar of the waves and feel the warm sea breeze. ... It is now about 72 degrees F. Carter - If I were at the beach, I would see the sun shining brightly on the beach of our glistening Kailua Bay. ... Kristina - Kailua Beach has beautiful bleached white sand which is hot from the sun. ...

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... Note: Click here a longer, much more comprehensive overview of the polar aurora . ... Magnetic Field . ... Aurora . ... 3b. Fritz Aurora . ... Electrons . ... Typical aurora (Dick Hutchinson ї) . In Alaska, Canada, Norway, Finland or northern Russia, on a clear night, a greenish glow is often seen in the sky, known as the "Northern Lights." ... Auroral light is produced at a height of about 100 km (60 miles) when fast electrons, arriving from space, slam into atoms and molecules of the atmosphere. ...

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• The Motion of Magnetically Trapped Particles -- History
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... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

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... SCIENCE AND BUSINESS . Such a trifle as a starry night sky of largest observatories turned out to be a small change coin in commercial bargains for exclusive communal services in Russia, and for a few elite flats in penthouses in Ukraine. SCIENCE AND BUREAUCRATISM . ... Till in Russian) . ... Clericalization of science and education (Till in Russian). ... Researcher of the Sternberg Astronomical Institute, The Moscow University. ... SAI home page . ... October, 2008) . ... November, 2007) . ...

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... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

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... The FIG element is used for figures. ... It also allows graphical hypertext links to be specified in the markup and interpreted by the user agent rather than the server. The anchor elements in the figure description text play a dual role: Non-graphical user agents show conventional hypertext links, while for graphical user agents, the same anchor elements specify graphical hypertext links, with the SHAPE attribute designating the hotzones. ... CLEAR . ... Specifies the figure's graphical content. ...

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• Removing files that have links
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The Sloan Digital Sky Survey plug-plate cartridge plugs into a socket on the back of the 2.5-m telescope. In that position, the images of galaxies and other targets fall upon the ends of optical fibers that are plugged into holes drilled in an aluminum plug-plate. ... A plug-plate is visible. ... The common corrector (blue) is located near the front surface of the primary mirror. ... In the left image, Ed Mannery (right) explains the purpose of the common corrector retaining ring to Don York. ...

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XMM-Newton Science Analysis System . ... yes . ... pn source region expression for spectral analysis . ... pn background region expression for spectral analysis . ... mos1 source region expression for spectral analysis . ... mos1 background region expression for spectral analysis . ... mos2 source region expression for spectral analysis . ... pn source region expression for timing analysis . ... mos1 source region expression for timing analysis . ... mos2 source region expression for timing analysis . ...

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• From 0 to <tt>Xspec</tt> in a few clicks
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Since the light from galaxies represents the integrated contribution of its consitutient stars, then we can learn about stellar populations in galaxies by modelling their light by summing up individual stellar spectra for different kinds of stars. ... The data cover the wavelength range 3500 - 9000 angstroms. ... Retrieve Digital Stellar Spectra Click on the appropriate spectral type. ... Note that the designation V means main sequence, IV means subgiants, III means giants, I means supergiant. ...

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... The metallicity distribution of disk F stars in different age ranges: the left column for the sample of stars within 80 pc around the Sun; the right column for the restored complete sample at the solar galactocentric distance with allowance made for the radial metallicity gradient. The numbers indicate the age ranges expressed in billions of years. ... next figure . ...

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• Doclad, figures

... 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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Participant 5 (P5) ================== Dr. V.P. Tishkovets - Astronomical Observatory, Kharkov University, UA Dr. N.N. Kiselev - Astronomical Observatory, Kharkov University, UA P.V. Litvinov - 26 years old; Astronomical Observatory, Kharkov University, UA S.A. Beletsky - 28 years old; Astronomical Observatory, Kharkov University, UA The head of the team, Dr. Tishkovets, and Mr. Litvinov made many investigations of light scattering by clusters of particles - analogues of interplanetary dust grains. ...

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• http://www.astro.spbu.ru/DOP/8-GLIB/op2/els11a.pdf
• http://www.astro.spbu.ru/staff/ilin2/INTAS/DOCS/meet-a1.txt
• http://www.astro.spbu.ru/staff/ilin2/INTAS/P3-SPB1/PUBL/TEXT/v-irs.ps

Here are the images reconstructed using our Static EIT Reconstruction Server . You can add your images to the gallery. This is possible after data file uploading and image reconstruction. Object: thorax . Data type: POLAR, 16 electrodes . ... This is static EIT image of healthy male thorax. ... This is static EIT image of the left crus (lower part of the leg) obtained with dipole current injection and true dipole reconstruction algorithm (TRUEDIP keyword in the data file). ...

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• EIT images
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