Russell Owen , Charles Hull and Walter Siegmund The Apache Point Observatory 3.5m telescope, located in the Sacramento Mountains of New Mexico at an elevation of 2.8 km, is awaiting the installation of the primary mirror. ... Important features of the design include a fast (f/1.75) lightweight honeycomb mirror, a compact altitude/azimuth mount, friction-coupled drives and position encoders, and use of a telescope model to compensate for mechanical errors (1) . ... Table 1: The current telescope model. ...

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• lsst.coordConv: coordConv::OtherCoordSys Class Reference
• lsst.coordConv: coordConv::FK4CoordSys Class Reference
• lsst.tcc: python/tcc/axis/coordConvWithFP.py Source File

Organisers: Philippe Lebacque (Laboratoire de Math matiques de Besan on ) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics, IITP) . ... General Information . ... To a given field K one can associate some "structure", e.g., the isomorphism class of the automorphism group of a "universal" extension of K, possibly endowed with additional data. ...

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• IUM10 conference: abstracts of some talks
• Labo J.-V.Poncelet: G.Koshevoy

... 2) Physics Department, University of Puerto Rico at Rio Piedras, P.O. Box 23343, San Juan, Puerto Rico 00931 . ... We report the density structure of the ultracompact HII regions G35.20-1.74, G9.62+0.19-E, and G75.78+0.34-H2O. The density profiles are derived from radio continuum emission at wavelengths from 6 to 0.3cm. In the case of G35.20-1.74, a cometary UC HII region with a core and a tail, the spectrum of the core varies as Snu~nu^(0.6), implying that the density structure is ne~r^(-2). ...

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• serplines (Abstract)
• ORION BAR (Abstract)
• INAF - Osservatorio di Arcetri

... For this paper: postscript PPEUC CMB index 1 Introduction.. ... We report on a 16 ks X-ray observation with the ROSAT PSPC towards the center of a CMB decrement detected by Jones et al. (1997) in the direction of the quasar pair PC1643+4631 A & B. At the position of the decrement we find no evidence for emission by hot gas which could give rise to the Sunyaev-Zel'dovich effect. ... We conclude that the CMB decrement is not a typical galaxy cluster. ... 2 The ROSAT PSPC observation . ...

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• A 215 to 265 GHz spectral line survey of the Sgr B2 molecular cloud
• 1803+78: A Helical Core Jet
• Determination of the relative orientation between radio and dynamical reference

University Satellites and . Space Science Education . ... Accurate Satellite Trajectory Determination Using IGS Precise Ephemeris . ... International Global Navigation Satellite Systems Service (IGS) let users of satellite navigation systems free access to the information of rather precise coordinates of every satellite in Greenwich coordinate system with two week delay. ... As a result of applying this algorithm the trajectory of every satellite was defined as precise as IGS data. ...

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Expert Database on the Earth Impact Structures . ... Very Long Baseline Interferometry (VLBI), Near Earth Objects (NEOs), Earth Impact Structures (EDEIS), Expert Database, Earth Impact Database, the degree of confidence of impact origin, validity index V, classification of structures over the validity index, impact criteria, morphological impact criteria level, geological impact criteria level, petrological impact criteria level, mineralogical impact criteria level. ...

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• Keywords_26
• Keywords_65
• Keywords_158

Members of our Group . At the formation of the group in 2007 it included 5 persons: . ... Head of the Group) . Leading research scientist . ... 87822) 93415 . ... Ph.D. (87822) 93408 . Lebedev Vicktor . Research scientist . Ph.D. - . ... Senior research scientist . ... Ph.D. (87822) 93406 . In 2015 Lebedev Viktor retiered from the Observatory, thus a the present time the staff of the group is 4 persons. Return to group homepage . ...

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• Origin of the internal structures in HL Tauri jet (HH 151)
• RATAN-600
• Electronic version of Russian Bulletin

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

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• SAI Open Star Clusters (SAI OCL) Catalog
• SAI OCL Catalog Structure

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... ISS Russian Segment . ... Chronology of Extravehicular Activity . ... Sea Launch . ... Land Launch . ... ILV "dry roll-out" (installation on the launch pad and critical launch readiness checklist); . ... Making the Rocket Segment systems ready for the launch site activities; . ... Contribution of RSC Energia to the Russian Rocket-Space Technology ...

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• S.P Korolev Rocket and Space Corporation "Energia"
• S.P.Korolev RSC Energia - News
• Development of Organizational Structure

ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

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Domes Forum Message . Forums: . Atm · Astrophotography · Blackholes · Blackholes2 · CCD · Celestron · Domes · Education . ... Domes and Observatories Discussion | ... Two Story Dome Structure In Progress . ... I am in the middle of planning a two story building with a metal dome on top to get better horizon to horizon viewing. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article
• You Are Missing The Point - an Astronomy Net Exploration Forum Message
• I Think What You're Saying Is Not A Deeply-considered Position - an Astronomy

... The DIV element is used with the CLASS attribute to represent different kinds of containers, e.g. chapter, section, abstract, or appendix. ... An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets. ... By convention, the class names are interpreted hierarchically, with the most general class on the left and the most specific on the right, where classes are separated by a period. ... ALIGN . ... move down until left margin is clear . ...

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• Hot links of Comet WWW site
• Rudnitskij Georgij M. Home Page
• The Structure of HTML 3.0 Documents

Download Izmccd (~2.7 MB). ... for 1-5 bytes is number of a numbered minor planet, . ... Positions 1-80 file "mpcreportiz.txt" are similar to positions of file "mpcreport.txt". 83-95 ? errors of unit weight, . ... If this tag is " 1 0 " , this record contains results of measurements of an image of object (approximation by "PSF"),? . ... 57-66 ? error in X (pixels), for first star in a multicentric image, for subsequent it is error in (distance between first star in the image and this), . ...

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Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

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• Assembling the telescope structure
• Telescope structure
• Main telescope structure

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

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I/146 Positions and Proper Motions (Roeser+ 1988) ================================================================================ Catalogue of Positions and Proper Motions Roeser S., Bastian U. =1988A .. ... 449R ================================================================================ ADC_Keywords: Positional data; Proper motions Description: PPM North gives J2000 positions and proper motions of 181,731 stars north of -2.5 degrees declination. ... The mean epoch is near 1931. ...

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• Positions and Proper Motions - South
• Supplement to the PPM Star Catalogue

... V.V.Makarov, V.P.Reshetnikov, V.A.Yakovleva . Photometric study of the peculiar galaxy NGC 2685" . ... eds.), Tallinn, 1989, p.19 . ... Press, 1994, p.272-273 . ... A.A.Mullari, V.V.Orlov, St.Petersburg Univ. ... conference, St.Petersburg, 1997, p.168-169 . ... All-Russian Astronomical Conference, Book of Abstracts, . ... in "Astronomy: traditions, present, future", V.V.Orlov, V.P.Reshetnikov, N.Ya.Sotnikova (eds.), St.Petersburg University Press, 2007, p.92-115 (in Russian) . ...

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• ADS Abstract Service Results
• Silicate minerals
• Vladimir P. Reshetnikov's Home Page

Large-Scale Structure of the local Universe with INTEGRAL observatory >200-300 , . ... It is now widely accepted, that practically every galaxy in the local Universe has supermassive black hole and some of these black holes are AGNs. ... 136 ( ) 49- . ... The map of the survey is shown on the left. ... Using Hard X-ray all-sky survey such important properties of nearby Universe as energetics of accretion to the supermassive black holes and large-scale mass distribution of matter were studied. ...

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• IKI test facilities
• Zeldovich-100 / International Conference / Moscow, Russia
• Second Spectrum-RG/eROSITA Conference

... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

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• Contents of Computer Ephemeris for 2014 (DE200/LE200).
• Lunar equatorial positions. Explanations for Computer Ephemeris.
• Contents of Computer Ephemeris for 2015 (DE200/LE200).

. Language [RU/EN] Search: . Home . UP . Research . Projects . Services . Info . News . Events . Personal . Archive . Ionosphere and radiowave propagation: structure . The main page . Information . Publications: . 2011 - 2015 . 2009 - 2010 . 2007 - 2008 . 2005 - 2006 . 2000 - 2004 . 1995 - 1999 . Participation in International symposiums and conferences: . 2013 - 2015 . 2011 - 2012 . 2009 - 2010 . 2007 - 2008 . 2005 - 2006 . 2002 - 2004 . N.V. Pushkov . 09/04/2016 23:49 MSK . webmaster@izmiran.ru .

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