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. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

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• Venus National Astronomy and Ionosphere Center (Arecibo Observatory)

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. [ Go back to Comet WWW site ] . Andrew A. Martis . martis @ sai.msu.ru .

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• Comet Center of SAI: Our observations

... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...

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• Moscow Center for Continuous Mathematical Education - Independent University of

... We intend to use the restored HST to study age structure and chemical evolution of the stellar population at the center of the LMC. ... To study the reduction techniques needed, a set of simulated PC images have been made. ... Two of the generally available photometric software packages, ROMAFOT and DAOPHOT, have been used to analyse the images. Results show that the photometric accuracy reached with these packages is not enough for high precision photometry in this configuration. ...

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• Obsolescent Acquisition Parameters
• Stellar Photometry
• M3: An Ideal Laboratory for Testing Stellar Evolution and Dynamics

... Институт прикладной математики им. М.В.Келдыша . БАЛЛИСТИЧЕСКИЙ ЦЕНТР . О Центре . ... Баллистический Центр Института прикладной математики им. М.В.Келдыша РАН . Баллистический центр (БЦ) ИПМ им. М.В. Келдыша создан по предложению С.П. Королева и М.В. Келдыша в 1965 году. На него были возложены работы по баллистико-навигационному обеспечению (БНО) управления полетом пилотируемых кораблей и автоматических космических аппаратов научного и народно-хозяйственного назначения. ...

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Next: Calar Alto 2.2m observations Up: Spectral observations and data Previous: Spectral observations and data . ... A 2'' diameter circular aperture was centered on the brightest part of the target galaxy or on the star-like candidate, and a similar aperture was placed 20'' off along the direction zenith-nadir to accumulate simultaneously the night sky spectrum. ... Next: Calar Alto 2.2m observations Up: Spectral observations and data Previous: Spectral observations and data root . ...

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• Observations and reduction
• Data reduction
• Observations and Reduction

... 10.09.2001 . ... CXO , NASA Explanation: Why would the center of our Galaxy flicker? Many astronomers believe the only credible answer involves a black hole . ... This short flicker therefore provides additional evidence that a black hole does indeed reside at our Galaxy's center . ... Publications with keywords: black hole - Galactic Center - Sgr A . Publications with words: black hole - Galactic Center - Sgr A . ... Journey to the Center of the Galaxy . ... Too Close to a Black Hole . ...

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• Астронет > Galactic Center Flicker Indicates Black Hole
• XWare > APOD

... 2001 September 10 . Galactic Center Flicker Indicates Black Hole . ... CXO , NASA . Explanation: Why would the center of our Galaxy flicker? Many astronomers believe the only credible answer involves a black hole . ... Only one known type of object can fit so much mass in so small a volume: a black hole . This short flicker therefore provides additional evidence that a black hole does indeed reside at our Galaxy's center . ... About APOD | ... NASA Technical Rep.: ...

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• APOD: 2003 March 2 - In the Center of the Trapezium
• APOD: November 18, 1997 - In the Center of the Trapezium
• APOD: 2005 July 10 - In the Center of the Trapezium

... PUL VLBI Analysis Center . ... Pulkovo EOP and Reference Systems Analysis Center (PERSAC) is located at the Pulkovo Observatory . ... Processing of VLBI , GPS, and optical observations aimed at analysis of the Earth rotation, station displacement, and celestial reference system. ... Celestial Pole Offset (CPO) and Free Core Nutation (FCN) . Four daily updated CPO and FCN series (models) are provided. ... File fcn1.dat contains the ZM1 FCN model with variable amplitude and phase. ...

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• Pulkovo VLBI Analysis Center
• Pulkovo NEO Page: Observations

The Outer Stellar Populations in the LMC I. Meschin1, C. Gallart1, A. Aparicio1,2, R. Carrera1,3, M. Monelli1, P.B. Stetson4 (1 ) (3 ) Instituto de AstrofМsica de Canarias ... ABSTRACT In the context of a major project aimed at obtaining detailed star formation histories across the Large Magellanic Cloud ( LMC ) disk, we present here the first results for the outermost fields in the northern direction (see Fig 1, ... Field N3 (8 ~ 7 Kpc) was studied and presented in Gallart et al. ...

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• The ``HIPASS Bright Galaxy Catalog'' (version-4)
• Multiple Phase Centers
• Mark III Observations

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Lightcurve of HW Vir from images obtained using the Faulkes Telescope South, operated by Las Cumbres Observatory . The blue triangles show the difference between two stars whose brightness is constant. ... This shows the value of the Faulkes Telescopes in the follow-up observations of eclipsing binaries with the aim to detect and characterise additional circumbinary companions. ...

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• The Little Asteroid that Could, so it could
• Armagh Observatory

... The J, H and K bands are characterized by a bright background, such a background is mainly due to the emission of atmospheric lines and of thermal radiation. ... If the source cover a large fraction of the slit, spectra off-source must be observed to adequately sample the sky background. ... The on chip integration time (time spent in each position of the slit) must not exceed 40 seconds in J and H bands and 60 seconds in K band. ... We suggest a sequence of 10 for each elementary integration time. ...

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• IBIS - Flat Fielding
• Comet Shoemaker-Levy 9
• Doug Johnstone's Orion Page

Physical and dynamical parameters of particles in outbursting Comet 17 P/Holmes . ... The time depending offset between the center of brightness and center of mass of the comet nucleus has been determined on the ground of positional observations of the comet. ... The motion of these particles allowed subsequent offset between the center of brightness and center of mass of the comet nucleus to be obtained from positional observations. ... comet, dynamical model, outburst, brightness. ...

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• IAA EOP Service
• IAA VLBI Analysis Center
• IAA GPS Analysis Center

Next: NICMOS/HST H-band (F160W) Images Up: NICMOS Science Previous: HST NICMOS Observations of . ... Observations of P . ... The NICMOS team has devised a comprehensive program of observations of the Galactic Center. ... Data in hand give a first look at variability and a detailed look at the search for the tip of the main sequence will be discussed where NICMOS has demonstrated adequate sensitivity and photometric precision to identify likely O8-B1 stars at the Galactic Center. ...

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• NICMOS/HST H-band (F160W) Images of the 30 Dor Starburst Cluster
• Unusual Emission near a Compact Source in Orion
• HST/NICMOS Observations of the Interacting System Arp 299

... A Web browser with Java support and an account to establish a secure Internet HTTP connection to the Goddard Space Flight Center (GSFC), is everything needed in order to use the new Control Center System (CCS). Then full access to the telemetry of the Hubble Space Telescope (HST) is given (Figure 2). A public version of CCS is also available. ... Rifkin, A. 1997, Reengineering the Hubble Space Telescope Control Center System, Institute of Electrical and Electronics Engineers Inc. ...

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• The Chandra Xray Center Data Archive Interfaces
• ADASS 2003 Conference Proceedings
• CENTERFIT: A Centering Algorithm Library for IRAF

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... To improve the quality of ionograms and to carry out on automatic ionogram processing we have developed a special software, which can be arbitraly devided into the following main parts: . ... Ionogram processing software on the basis of image processing; . Interactive ionogram processing software. ... Here we present ionogram samples for different kinds of chirp sounding . ... Capabilities and samples | ...

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• East Siberian Center for the Earth's Ionosphere Research. Modernization...
• East Siberian Center for the Earth's Ionosphere Research. Modelling, secondary
• East Siberian Center for the Earth's Ionosphere Research. Specific character

IMACS MASKS FOR CHAMPLANE RUN JUNE 6-9 2005 updated (17/05/05) zip file containing 16 masks (.SMF format) replacement masks (20/05/05) zip file containing 4 masks (.SMF format) . 17, exposure time 4x30 min bright = mag Field centers taken from .SMF files: field ra(J2000) dec(J2000) POS FLIP N GC Mosaic fields covered Observed? ... Here is an observing elevation chart for this run on June 7 2005. postscript . ...

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• Chandra Images for J0454.4-6713
• High Energy Astrophysics
• *imcnts* - Radial Profile of an extended source at the field center

. This spectacular view of the crater Degas was obtained as a high-resolution targeted observation (296 feet [90 meters] per pixel). Impact melt coats its floor, and as the melt cooled and shrank, it formed the cracks observed across the crater. For context, Mariner 10т??s view of Degas is shown at left. Degas is 32 miles (52 kilometers) in diameter and is centered at 37.1ТА N, 232.8ТА E. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B744215E2-4003-4BE2-8DFC-B29E06DE7F23%7D
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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B3CD5629C-8916-4203-B970-CD073AE3494E%7D