... A birdie has been seen in Pixel 0b of the alfa receiver near 1380.7 Mhz. ... The hiFreq birdie would be at: if1=250 rfCfr=1385. lo1=rfCfr+if1=1635. birdieInRf= 1380.70 HiFreqBirdie= (lo1*9) + (if1 - (rfCfr-birdieInRf))= 14960.7 Mhz On 03sep04 a 15 minute drift scan using 100 MHz centered at 1385 Mhz was taken. ... The plots show the birdie in pixel 0B . ... The top figure plots the frequency of the birdie in the rf band versus the center frequency of the rf band (assuming 250 IF center frequency). ...

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• National Astronomy and Ionosphere Center (Arecibo Observatory)
• The AO Optical Laboratories National Astronomy and Ionosphere Center (Arecibo
• byu phased array feed.

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... 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

. Several of my photos sometimes seems to be looked nice. I placed their mainly for my own delight and further developments. On this page only small (300 dots as widthest side) pictures presented and they play roles of thumbnails. You can click on images to view medium size photo. Bigger photos occupate large volume (from 100Kb to 250Kb each) and appropriate for viewing with 1200x1024 resolution.

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... 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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... Archive Astrophysicist, Chandra Science Center - a service of the HEAD at CfA. ... My special responsibilities there included the formatting of the XTE data into FITS, the RXTE mission database and archive , and absolute time keeping . ... The document ASC-FITS-1.1 ( PostScript ) details the FITS conventions adopted for the FITS files in the AXAF archive. ... The document ASC-FITS-REGION-1.0 ( PostScript ) defines the conventions adopted for the REGION FITS binary table format. ...

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• High Energy Astrophysics
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... The Center of the Circinus Galaxy in X Rays . ... Chandra , NASA Explanation: Are black holes the cause of X-rays that pour out from the center of the Circinus galaxy ? ... Extended X-ray emission from the center appears to match optical light and appears consistent with a model where hot gas is escaping from a supermassive black hole at Circinus' center . ... Publications with keywords: black hole - X-ray - Circinus Galaxy . Publications with words: black hole - X-ray - Circinus Galaxy . ...

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• Астронет > The Center of the Circinus Galaxy in X Rays
• XWare > APOD

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... A most promising problem is to investigate the interaction of two VHF powerful radiowave beams in the ionosphere, whose difference frequency is equal to the plasma frequency in some ionospheric area (that is, the difference frequency is taken in the range 1-8 MHz). ... Two-frequency interaction effects are based on radiowave non-linear mixing, which is rather complicated when describing and modelling the experiment. ...

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• East Siberian Center of Earth Ionosphere Research. Chirp ionosonde.
• East Siberian Center for the Earth's Ionosphere Research. Ionospheric parameter
• East Siberian Center for the Earth's Ionosphere Research. Work performance

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Time series at time resolution of 4 seconds and 17 minutes are shown in red and blue respectively, with RMS noise of 65 mJy for the 4 second resolution time series and 4 mJy for the 17 minute resolution time series. No evidence for heightened emission is present during any of the observed orbital/rotational phase of the planet. ... Last Revised: 2012 October 31st . ...

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... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...

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• Wavelength Calibration at Moderately High Resolution
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Central Astronomical Observatory at Pulkovo of Russian Academy of Sciences PUL Analysis Center Pulkovo IVS Analysis Center (PUL) 2009 Annual Rep ort Zinovy Malkin, Natalia Miller, Elena Popova Abstract This report briefly presents the PUL IVS Analysis Center activities during 2009 and plans for the coming year. The main topics of the investigations of PUL staff in that period were ICRF related studies, computation and analysis of EOP series, and VLBI2010 related issues. ...

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• http://www.gao.spb.ru/english/personal/malkin/publ/zm12i.pdf
• http://www.gao.spb.ru/english/personal/malkin/publ/zm09c.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/bezmenov.pdf

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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• The TAIL 1996/1997 campaign
• Space Research Institute (IKI) Seminar
• Finding the Pole Star --lesson plan #2

... To mark coordinate net in plot, first select Plate in menu bar and then Coordinate net in drop-down menu. ... User has possibility to save plot of sky or to print it using standard means. To save the file select File item in menu bar and then Save As... in drop-down menu. ... To print plot of plate select File item in menu bar and then take advantage of options Print Preview , Print Setup , Print. ... To return to the list of centers click on x button in title bar. ...

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• IAA GPS Analysis Center
• ENGAMPLE

... The DiFX correlator has a capability to process many phase centers within a primary beam in one pass. ... SCHED supports the multiple phase center mode by providing the details of all the desired phase centers to use for a given pointing center in the output .v2d file, which is used in correlator setup. ... When using this capability, the user should specify the size of the FFTs to do on each baseband channel before spliting the data for each phase center. ...

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• ATNF Daily Astronomy Picture
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• News Results

Stellarium 0.12.3 . ... Classes . ... Supernova Class Reference . ... Supernova (const QVariantMap &map) . ... Get a QVariantMap which describes the supernova. ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getAngularSize (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

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• Stellarium: Quasar Class Reference
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home resources . SEARCH ASP SITE: Match ALL words Match ANY word . ... Books . Favorite Links . ASP Educational Resources . Your resource for unique education materials, ASP favorites, technical publications, and more.. ... Your purchases help support the education programs of the ASP. We feature our favorite new Astronomy books with short descriptions. Looking for archived Books of Note? ... Feature Book . ... Feature Link . ... Publications | ... education | resources | ...

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• ASP: Black Holes to Blackboards: Drifting Through Andromeda
• Astronomical Society
• ASP: The New and Improved Hubble Space Telescope

... Movie - A sample scan through the Ca II 8542 ? line. The movie presents the images obtained at different tuning positions in the line, showing how the solar structures change as the tuning moves through the center of the spectral line. ... Full Size Animated GIF (2.3 MB) . Full Size MPEG (4.7 MB) . Half Size MPEG (4.7 MB) . ... Movie - A sample scan through the Fe I 7090 ? ... tuning movie above, this movie shows instead the tuning through an iron line formed in the photosphere. ...

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This WWW form allows the user to list selected portions of the NRAO/VLA Sky Survey (NVSS) radio source catalog. ... Until the completion of the survey the source catalog will NOT cover the entire region of the survey and care must be exercised in interpreting the results of a catalog search. ... The second parameter in the "Search radius" box or one of the optional items in a position list can be used to specify a region in which to look for other sources. ... An example of a position list entry is: . ...

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• Astrophysics Group GMRT Spitzer FLS
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... Events . ... The Event Horizon Telescope: Observing Black Holes with Schwarzschild-Radius Resolution . ... Galaxy lies a super massive black hole - 4 million times more massive . ... Universe to spatially resolve and image a black hole Event Horizon. ... For the much more massive (6 billion solar mass) black hole . ... for assembling a submm-VLBI Event Horizon Telescope. ... emission near the event horizon of super massive black holes. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Venus 2004 transit photo collection