... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Research . ... Infrared astronomy . ... Solar physics . ... Library . ... Friends of Arcetri . ... Computing Science . ... Operating Systems and Languages . ... General Physics . ... Structure of the Matter, Atomic and Nuclear Physics :General interest texts . ... Plasma Physics : General interest texts . ... Astronomy : General interest texts . ... Physics of the Planetary System . ...

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• Home - Fractionation of isotopes in space: from the solar system to galaxies
• A homogeneous chemical analysis of the inner Galactic disk from the first data
• APOD: 2000 September 21 - XZ Tauri System Ejects Gas Bubble

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Image credit:ESO/J.Emerson/VISTA. ... However others are less pessimistic and it has even been claimed that the mysterious ?Wow! signal? received in 1977 originated from the direction M55.б  Sadly, this still unexplained pulse of radio energy originated from a location rather to the northwest of M55 so I doubt if the source was this cluster (if indeed the signal was genuinely of extraterrestrial origin). ... Mysterious Wow! ...

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• Solar System | Astronotes
• Kepler-11: a strange and crowded planetary system | Astronotes
• Omega Centauri: globular cluster of 300,000 stars | Astronotes

Proposal Identification No.: P1919 Date Received: 2004-Feb-02 23:39:55 Technical Page Proposal Type: General Category: Observation Category: Total Time Requested: Prop osal Title: Regular Pulsars Galactic 57 Hours Observations of Two Eclipsing Millisecond Pulsar Binary Systems in Globular Clusters ABSTRACT: The precise mechanism that drives eclipsing millisecond pulsar systems is not yet certain, although various eclipse mo dels exist that do seem to supp ort many observations. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/FerdmantagP1919tp.ps
• system Performance
• Solar System Studies at AO

System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...

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• Pulkovo Database of Observations of Solar System Bodies
• Pulkovo Database of Observations of Solar System Bodies: Help

... We address a question if globular clusters (GC) in a protogalaxy could for some time evolve chemically as isolated systems, enriching themselves with heavy elements produced in first supernova events that follow initial star formation. We determine both the critical mass of a protoglobular cluster that is needed to retain the ejecta of the very first supernova, and the critical energy (i.e., number of supernovae) that is needed to expel the residual gas from a cluster of a given mass. ...

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• Home page of Dmitri Wiebe
• Catalogue of eclipsing variables

The Database of Close Binary Systems . ... Team . ... This web-based interactive database is being developed and maintained by a team at the Sternberg Astronomical Institute of the Moscow State University . The project is an on-line extension of our catalogue on "Highly Evolved Close Binary Stars" (volumes I, II) published by Gordon and Breach in 1996. As of November 2009, the database (both the software and the content) is in its development/testing phase. Sternberg Astronomical Institute ...

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• Tatjana Khruzina
• Eugene Trunkovsky
• Katsova Livshits poster paper on CS-11

Main Organizers Invited speakers Program Abstract template Travel information Tribute to I.F. Schegolev . Announcement: The conference is organized jointly by the Institute of Solid State Physics , the Institute of Problems of Chemical Physics and the Landau Institute for Theoretical Physics (Russian Academy of Sciences), and by the InQubit company. The previous conference was held in Chernogolovka in 1999. ... Superconducting Hybrid Structures . ... Institute of Solid State Physics . ...

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• Laboratory of Reinforced Systems (LAS)
• Theoretical Department (TD)
• LABORATORY of REINFORCED SYSTEMS

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Brief History of Rocket and Space Technology . Rocket Systems . ... Automatic Space Systems . ... S.P. Korolev Rocket and Space Corporation Energia in cooperation with subcontractors in the Russian industry made a new important step in space technologies - a modular Multi-purpose Satellite Bus (MSB) was developed for a new generation of multi-functional high-performance automatic spacecraft with long life in orbit. ...

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• S.P.Korolev RSC Energia - LAND LAUNCH SYSTEM
• RSC "Energia" - History
• RSC "Energia" - Launchers

... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: Exploring the Solar System: Further Guides and Resources
• ASP: A Good Definition of the Word "Planet": Mission Impossible?

... Stellar Evolution . Nucleosynthesis in Stars . The Evolution of Star Clusters . JAVA Physics Lab . Alternative Energies Class . Steve Kevan's Physics 251 Class . ... Talk on Solid State Physics of CCD detectors . Talk on Cosmological Issues . ... Digital Spectra of Stars . NETexperts E-mail List . The Electronic Universe Project e-mail: nuts@moo.uoregon.edu ...

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• Rooftop Collector Systems
• The Three Planet System
• Overview of the Solar System

... 8, ``Celestial Mechanics'', 2002 Dynamic evolution of resonance orbits of exoplanets in system 47 Uma B. R. Mushailov, A. A. Kaloshin Sternberg Astronomical Institute, Moscow, Russia The orbits of the major and minor planets of the Solar system indicate that their dynamic evolution is essentially influenced by the effects of orbital reso­ nance interactions. ... One may expect that the orbital resonances can exist not only in the Solar system, but also in other star systems. ...

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• http://www.ipa.nw.ru/conference/wpltn2012/docs/25/1010%20gayazov2.pdf
• http://www.ipa.nw.ru/conference/wpltn2012/docs/25/1400%20pavlov.pdf
• Laboratory of minor bodies of Solar system

... The main field of our team interests is the researching of galaxy clusters as well as single nearby galaxies. The galaxies and galaxy clusters, being gravitationaly bound and reliably distinguishable systems, allow us to determine their global physical characteristics. At the same time they are integrated as elements into higher level spatial structures or systems. ... Вack to main homepage . ...

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• Solar system sector, archive 2012
• Multiple System iUMA
• Solar system sector, archive 1994

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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• FADPS - Flexible Astronomical Data Processing System
• Description of system SEDs

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Last week, our tour outwards made a stop at our own home planet. Permit me to hold our tour a bit longer, to linger and gaze upon the Moon. ... Complex molecules floated in the water, but the concentration of these compounds wasn't high enough for them to get any further along than making amino acids and the like. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy

The Database of Close Binary Systems . ... Team . ... This web-based interactive database is being developed and maintained by a team at the Sternberg Astronomical Institute of the Moscow State University . The project is an on-line extension of our catalogue on "Highly Evolved Close Binary Stars" (volumes I, II) published by Gordon and Breach in 1996. As of September 2009, the database (both the software and the content) is in its development/testing phase. ...

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. Next: Routines of the Calibration Up: Coordinate Definitions used by Previous: Spatial coordinate systems Contents . Several calibration entities are time dependent, i.e., change on a time-scale given by the typical duration of an observation ( ksecs). Each corresponding CAL subroutine receives a time argument which specifies a point in time represented as ellapsed number of seconds since the fixed mission reference time . 1998-01-01T00:00:00.00 TT = 1997-12-31T23:58.56.816 UTC . Michael Smith 2011-09-20

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• Spatial coordinate system of the region(s)
• XMM-Newton Science Analysis System: Documentation
• [sas-uploads] SAS integration system resuming nominal operation

Next: The Evolutionary Status of Up: No Title Previous: Massive X-ray Binaries . After 25 years of pulsar studies, a radiopulsar has been discovered in a binary system with a massive optical companion (Johnston et al. ... As shown in the very first calculations of joint evolution of NS and normal stars in binaries (Kornilov and Lipunov, 1983b[ 86 ]) a considerable fraction (maybe, the majority) of NS in binary systems having an optical companion must be at the ejector љ (E) state. ... Systems . ...

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• Black Hole Creation in Massive Binary Systems
• Evolutionary Scenarios of Binary Systems
• Caverns in Binary Systems

This appendix only contains links to pages describing various Fortran 90 systems. ... Fujitsu Fortran 90 Compiler (Fujitsu WWW) . Fujitsu Fortran 90 Compiler (Unicomp WWW) . ... Fortran PowerStation 4.0 from Microsoft . Lahey Fortran 90 from Lahey Computer Systems , Nevada, USA . ... An additional compiler will be available from Absoft towards the end of 1996. ... Lahey LF90 v2.0 from Lahey Computer Systems, PO Box 6091, Incline Village, NV 89450-6091, USA, Email: sales@lahey.com . ...

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• Sergey Ayukov | Сергей Аюков homepage
• Installing the System
• SunSoft

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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• The Catalogue of Interacting Galaxies by Vorontsov-Velyaminov

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

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• Dept. for Physics of Planetary Systems
• The Laboratory of Astrometry
• Research - Page 2