... The common identifier of this star system is G89-14. Initially, there were known just two close spectroscopic components in this system, A and B, orbiting around each other with a period of about 190 days (Carney et al., ... Subsequently, at a separation of 34 arc seconds from this spectroscopic pair, Allen et al. (2000) found its companion D with common proper motion (Fig.1, right, and Fig.2). ... The uniqueness of this star is that it is the most metal-poor quadruple system known to date. ...

The basic problems of the Laboratory are connected with researches of dynamics of minor planets and comets. ... THE ORBIT IMPROVEMENT of minor planets from optical and radar observations, . the utilization of minor planet observations for THE DETERMINATION OF ORIENTATION OF STAR CATALOGUES and DETERMINATION OF MASSES OF MINOR PLANETS BY DYNAMICAL METHOD, . THE ESTIMATION OF COLLISION PROBABILITY of minor planets with other bodies and with each other, . ...

The On-The-Fly Calibration (OTFC) system, publicly released in Dec. 1999, calibrated data at the time a user requested data from the archive. ... The On-The-Fly Reprocessing (OTFR) system replaced OTFC on May 16, 2001. ... UCHCOORD and OTFR. ... To address this issue, a new header keyword, PROCTIME, has been added to OTFR data to record when the system processed the data. ... OTFC . OTFR . ... POD file (original telemetry file) is retrieved from HST archive and passed to OTFR system. ...

... CfA Home . HCO Home . SAO Home . ... Welcome to CfA . CfA History . ... Laboratory Astrophysics . Extreme Astrophysics . ... 617) 495-7210 . ... 617) 495-7044 . ... 617) 495-7265 . ... HEA Research . ... HEA Home Page . CFA/HEA Home Page . ... High Energy Astrophysics Division (HEAD) . Chandra X-ray Center . ... Chandra Cluster Cosmology Project . Chandra Multiwavelength Project (ChaMP) . ... Chandra-Planck Clusters Project . ... CfA Virtual Observatory Project . ...

... Bad Astronomy . ... Bitesize Astronomy . ... If you thought our tour of the solar system ended with Neptune and Pluto, you are setting your sights way too low. The planets of the solar system mark time relatively close to the Sun compared to interstellar space. Pluto orbits the Sun at an average distance 40 times that of the Earth, yet the nearest star (the Alpha Centauri system) to the solar system is a mind-numbing 260,000 times the distance of the Earth to the Sun. ... 2008 Phil Plait. ...

... The French-Russian Poncelet Laboratory organizes the conference on "Random Processes, Conformal Field Theory and Integrable Systems", September 19-23, 2011, to take place in the Independent University of Moscow. ... In the last decades, the understanding of these processes has greatly benefited from the use of conformal field theory (CFT) and integrable systems (IS) which have been widely studied in the community of theoretical and mathematical physicists. ...

... A discussion of retrograde motion of planets helps the students understand the logic underlying the ideas of both Ptolemy and Copernicus. ... This lesson plan supplements: "The Discovery of the Solar System," section #9c: on disk Ssolsys.htm , on the web . ... Learn about the system proposed by Copernicus, and the way it explained retrograde motion: all planets moved in circles around the Sun, but the ones closer to the Sun always moved faster. ... Did this predict correct planetary motions? ...

... GSAOI Home . ... Science . ... For example, among the Milky Way's dE companions we see systems with dominant old populations, systems with minor intermediate-age (age ~ 2 to 10 Gyr) components, and systems where the intermediate-age component dominates the old stars. ... This variety of star formation histories is not restricted to the Galaxy's companions. ... To make progress in understanding the processes that govern dwarf galaxy evolution, we need to study systems beyond the Local Group. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... ISS Russian Segment . ... Sea Launch . ... S.P. Korolev RSC Energia management and specialists involved in MRM1 prelaunch processing operations observed the U.S. Orbiter launch at the cosmodrome. ... In the scope of government contract with Roscosmos S.P. Korolev RSC Energia is responsible for the Module development, manufacture, launch support and docking. ... 2015 JSC "S.P. Korolev RSC "Energia"...

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

... History-NASA Centers . ... STS Recordation Oral History Project . This effort involved the collection of history from key individuals formerly and currently associated with the agency?s Space Shuttle Program (SSP), focusing on the Space Shuttle Orbiter and its related components. ... Space Shuttle Main Engines Chief Engineer and Project Manager, Marshall Space Flight Center, Huntsville, AL . ... Space Shuttle Main Engines Project Manager, Marshall Space Flight Center , Huntsville, AL . ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

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 š (E) state. ... Systems . ...

... Mokhovaya st., 11, Moscow, 103907, Russia. ... Proceedings of International Seminar on Nonlinear Circuits and Systems, Moscow, Russia, June 16-18, 1992 , vol.1, pp. ... The principles of information processing (storing information, associative memory, image recognition) in nonlinear systems with dynamic chaos are studied. The use of complex dynamic regimes in solving certain information problems is shown advantageous with respect to the methods based on simple dynamics. ...

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

XMM­RGS Doc­id: RGS­SRON­CAL­ME­03/CV4 Page: 1 Auth.: C.P. de Vries Date: August 19, 2003 Title : System offsets using diagnostics images Author : C.P. de Vries Date : August 19, 2003 Version : 0.0 Stored : Distribution : Web­page : http://www.sron.nl/divisions/hea/xmm/internal/documents XMM­RGS Doc­id: RGS­SRON­CAL­ME­03/CV4 Page: 2 Auth.: C.P. de Vries Date: August 19, 2003 1 Introduction At this moment, SAS default processing uses a constant system peak offset for each CCD node. ...

... Bojan Nikolic web pages (r. 329) . ... Building CASA . ... Introduction to SCons . I have designed a prototype implementation of a build system for CASA based on the SCons tool. ... This system is experimental and not the official way of building CASA. ... The main version of the code for this build system is contained in a bzr branch, together with the remainder of the CASA system. ... Build: . ... To debug the SCons build process: . ... A prototype build system for CASA using SCons . ...

... Coordinate system . It is necessary to specify the coordinate system for the drilling of plug-plates so that the drilling file (currently named plPlugMap), plate drilling, cartridge, rotator wrap and the rotator itself are compatible. ... The TCC rotator angle (object system) is defined to be 0 degrees for this orientation. ... Thus, the rotator angle gives the conventional astronomical position angle on the sky of the y axis (although Russell won't acknowledge this necessarily). ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

SXG Data Center . ... Data archive . ... The prototype of archiving and data extracting system was realized for MOXE all-sky monitor long-term data archive . ... The data must be organized in the way that will provide the maximum effectiveness for the goals of long term data analysis i.e. long period monitoring of the particular field of the sky. ... DBM2 field Because the data in DBM2 are stored sorted by the fields on the sky it is the simpliest way to specify which part of the sky is necessary. ...