... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

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• Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN

... Astrophysics Group . ... AMI Science . ... Observations of galaxy clusters are central to the AMI science programme. The AMI Small Array is used to observe already-known clusters with high-sensitivity and resolution, allowing us to extract detailed information about individual clusters and to build up statistics about the cluster population. ... Observing galaxy clusters at 15 GHz is tricky because of the contamination from foreground radio sources, which is where the Large Array comes in! ...

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• Martin Krause - Large Scale Very Light Jet Simulation
• Astrophysics Group RYLE
• Astrophysics Group AMI

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

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• SAI OCL Catalog Publications

... Supernova Archive for 2008 . ... Sorted by Name For the year 2008 , 520 supernovae and 36 extragalactic novae were reported. 257 of these supernovae were named by CBAT, 11 were given possible supernova designations, and 252 were not reported to CBAT. 93 supernovae were found in NGC/IC galaxies, 200 were found in named galaxies 130 objects were discovered by amateurs 3 were brighter than 13th Magnitude 45 were brighter than 16th Magnitude 201 were brighter than 18th Magnitude 251 ...

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• Bright Supernova pages - Statistics for 1999
• Bright Supernova pages - Statistics for 2006
• Bright Supernova pages - Statistics for 2013

... In the table given at a separate sheet enumerate in growing order (from 1 to 13) the size and the mass of each object: Milky Way Galaxy, Andromeda Galaxy, Neutron star, Electron, Mercury, The first satellite "Sputnik I", Venus, Pluto, Proton, Red dwarf, Black cat, White (Polar) bear, the Sun. ... Star setting. ... Comet Lovejoy. ... Radio- (operating wavelength is about 21 cm) and optical (operating in the light visible to the naked eye) telescopes have been used to study an astrophysical object. ...

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• Problems of the 1-st International Astronomy Olympiad

... Radiation mechanisms of astrophysical objects: classics today . ... Saint-Petersburg is the 2n d largest city in Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea. Founded in 1703 by Tsar Peter the Great Saint Petersburg was the imperial capital of Russia until 1918. The meeting will be held in the Conference Hall of historical building of the Saint-Petersburg State University - Twelve Collegia. ... Conference program . ... Conference location . ...

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• Key dates | Radiation mechanisms of astrophysical objects: classics today
• Radiation mechanisms of astrophysical objects: classics today | Механизмы
• Conference Proceedings | Radiation mechanisms of astrophysical objects:

... 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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• University of Louisville Wide Field and Planetary Telescopes
• CalibrationBar (ImageJ API)

... Archives . ... While I was reading abstracts and papers from astro-ph, I saw many applications of algorithms from pattern recognition and machine learning (PRML). ... Other than studies about outliers, survey and population studies generally involve machine learning and pattern recognition , or supervised learning and unsupervised learning , or classification and clustering , or statistical learning . ... Tags: Bishop , catalog , machine learning , pattern recognition , PCML , SPS , survey . ...

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• The Chandra Multiwavelength Project (ChaMP)
• The AstroStat Slog Blog Archive Classification and Clustering
• The AstroStat Slog globular cluster

... PUBLIC LECTURE - APRIL 12, 2016 . New Discoveries in the Outer Solar System: Ceres, Pluto and Planet X . ... Dr. Green will talk about "New Discoveries in the Outer Solar System: Ceres, Pluto, and Planet X". ... Beginning in 1992 planetary astronomers began to find Pluto like objects beyond the orbit of Neptune showing us that Pluto was a member of an entirely new family of objects we now call the Kuiper Belt. ... Amateur Astronomers Association of Princeton, Inc., ...

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... IC1396 . IC1396 - The "Elephant Trunk" Nebula . ... There is a bright central star cluster, also designated IC1396, which will interfere with your ability to see the faint nebulosity while visually observing this area with a rich-field telescope. ... 9/12/2006 through 10/21/2006 . ... Ha: 7 hours of 30 minute subs . OIII: 14 hours of 30 minute subs . SII: 9 hours of 30 minute subs ...totalling 30 hours . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Astronomy and the Human Eye

You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

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• Astronomy articles, forums, listings, and other resources about Astronomy.
• Starry Night Pro Plus 6 - How Do I Enter Large Asteroid Database - an Astronomy
• Discover The Science Behind The "Wormwood Star Prophecy" - an Astronomy Net God

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

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• Search for distant radio galaxies in SAO
• GRB follow-up team
• On the problem of high spectral resolution observations of faint objects

. Cosmology . Very Early Universe . Cosmic Microwave Background Anisotropy . Dark Matter Models . Large Scale Structure . High Energy Astrophysics . Active Galactic Nuclei . Astrophysics of Compact Objects . Accretion Disks . Scientific Staff:

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• MEMORANDUM
• Семинар отдела теор. астрофизики

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronado€о Solar . ... Spotting Scopes . ...

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• PolarisтДв 127mm German Equatorial Reflector
• PolarisтДв 130mm German Equatorial Reflector
• PolarisтДв 114mm German Equatorial Reflector

Architect's Drawing: ARC 3.5-mTelescope This year we celebrate the 20th anniversary of the Astrophysical Research Consortium's (ARC) 3.5-m Telescope (1994 - 2014) dedication. ... It was a pioneer telescope in remotely operating the telescope and instruments. ... Four telescopes are currently operated: The Sloan Foundation 2.5-m Telescope, the ARC Small Aperture 0.5-m Telescope, the New Mexico State University 1.0-m Telescope, and the ARC 3.5-m Telescope. ...

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• MILT Description
• MILT Multiple Instrument Large Telescope
• TUI:Telescope:User Catalogs

... OEM OPTICAL COMPONENTS . ... Home Products OEM Optical Components . ... Objective, Plan Achromatic, 4 X 0.12, BF . ... Objective, Flatfield Achromatic, 20 X 0.40, BF . ... Objective, Flatfield Achromatic, 30 X 0.90, Iris, H2O Imm., ... Objective, Flatfield Achromatic, 60 X 1.00-0.70, Oil, Iris, BF . ... Objective, Flatfield Achromatic, 100 X 1.25, Oil, BF . ... Q-Plan™ Achromat Objective, 2.5 X 0.08, BF . ... Q-Plan™ Achromat Objective, 60 X 0.85, dry, BF . ... Eyepiece, Widefield, 10X, F.N. 18 . ...

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• OEM Components

... Future seminars . ... G.V. Levina (Institute of Continuous Media Mechanics) . ... Abstract . ... The INTEGRAL mission and its first results" . ... Reconnection - new basic results and solar simulations " . October, 30 . ... D.L. Vainchtein (IKI RAN; Dept. of Mechanical and Environmental Engineering, University of California Santa Barbara, USA) . ... New results on Solar Structure and Dynamics and Solar Space Observatories " . ... E.B. Gliner (Theoretial Research Institute, San Francisco) . ...

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• The Io Dynamo
• (S-7a) The Black Hole at the Center of our Galaxy
• Chronology of Magnetospheric Exploration

The small solids. Asteroids or the small planetes . ... The comets. ... Ceneca the Young.Procuring about the nature.63 y. The comet is a celestial body of a great size, but a rare one... transparent. Sometimes there seen a core and the medium forms a kind of a tail, beard or dishevelled looks. ... The core is an ice body - conglomeration of frosted gas and dust. ... The comet state is variable: ones have the con tails, others the dust tails, and the third have both. ... Meteors and meteorites. ...

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... Go to This section of the glossary . ... APHELION : The point in a planet's orbit where it is farthest from the sun. ... It melts at 83.95 K, and boils at 87.45 K. Many people don't realize that argon makes up a full 1% of our atmosphere, while carbon dioxide is only a fraction of a percent of our atmosphere. ... COMET: An object moving about the sun in an eccentric orbit and composed of materials which, on warming up near the sun, form a "tail" which always points away from the sun. ...

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• Astronomical Glossary - J thru M
• Astronomical Glossary - G thru I
• Limiting Magnitude Table

... Home Articles Observing Resources for Amateur Astronomers ? Part 1: Beginning Observers Observing Resources for Amateur Astronomers ? Part 3: Advanced Observers . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . Observing Resources for Amateur Astronomers - Part 3: Advanced Observers . Observing Resources for Amateur Astronomers - Part 4: Magazines and Miscellany . ...

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• Lecture Series 2009-2010 ? ?Best Targets for Amateur Astrophotography and What
• Best Celestial Events of 2006 ? Amateur Astronomers Association of New York
• Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York