tranback -- Transform an X,Y position from output to input pixel position using the same conventions as drizzle tranback xout yout . xout = 400 [real] . ... The X dimension of the input image (this is used to determine the centre which is the origin of the transformations). (nyin = 800) [real] . ... If "output" the input image center is mapped to the center of the output grid, rotated about that center and then shifted along the grid of the output image. ...

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• TRAXY (V0.4) --- Dec99 --- TRAXY (V0.4)
• WCS2DR (V1.0) --- Jan00 --- WCS2DR (V1.0)

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

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Next: ST-6 Data Collection Up: Data Acquisition Previous: Data Acquisition with . ... The tracking software is extremely important to data collection, and will be presented here. The tracking software is run from the CPU box. ... The exposure adjust will set the exposure time. ... After the drive is calibrated, the track button will set the ST-4 in a mode where it will track the star until it either loses track or the operator stops the track. ...

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• *search_grid* - Customized grid
• Contour Plot
• High Energy Astrophysics

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

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PUL VLBI Analysis Center . ... IVS : International VLBI Service for Geodesy and Astrometry . ... An IVS VLBI Analysis Center at the Central Astronomical Observatory at Pulkovo of the Russian Academy of Sciences, also widely known as Pulkovo Observatory, has been organized in September 2006. ... The center is a part of the Pulkovo EOP and Reference Systems Analysis Center (PERSAC) . ... Results of VLBI data analysis can be found at Pulkovo EOP and Reference Systems Analysis Center (PERSAC) page. ...

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• Pulkovo EOP and Reference Systems Analysis Center (PERSAC)
• Pulkovo NEO Page: Observations
• Pulkovo NEO Page: Ephemeris Support

... Department Number . ... Astro Space Center . ... Telephone Number . 7(495) 333 3366 . FAX Number . 7(495) 333 2378 . ... amalin@lukash.asc.rssi.ru . ...

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• Mikheeva Elena Vladimirovna, Astro Space Center (ASC)
• Arkhipova Natalya Anatolievna, Astro Space Center (ASC)

... The e-mail interface of the CATS is designed like CGI for the call of the basic procedures: select and match from the html-forms and the program is a lexical analyser, distinguishing keywords and parameters from the electronic letter sent to the address `cats@sao.ru'. ... The output of result is forseen in the same formats as in other forms of the access to the CATS. ... out[put] < arg1 arg2... > . ... ra [ < arg1 > ] < arg2 > < arg3 > ... min max [center] . ... window < arg1 arg2 ... > . ...

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• CENTER (ЦЕНТР) - центрирование
• Панель Center.
• SCORPIO parameters

... 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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• Wave Processes in Inhomogeneous Plasma
• MISSION WARNING
• Gas and dust shells of the Hale-Bopp comet

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

SAI VO . ... Web Services . Catalog Access Services . ... SAI Web Services . ... This service aims to automatically match stars in FITS image provided with catalogue and add the correct WCS keywords to its FITS header. ... Service Web Interface . ... The service is available here To use it, you has to provide the image as a Base64-encoded string, along with the rough information on image field of view size and center (the latter may be deduced from FITS header keywords like 'RA' and 'DEC'). ...

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Elliptical galaxies Elliptical galaxies Rough subdivision · Normal ellipticals. ... Dwarf ellipticals (dE's). ... E dE BCD dSph 1013 - 1014 108 - 1013 107 - 109 109 107 - 108 300-1000 1-200 1-10 3 0.1­0.5 100 10­100 1­10 0.1­10 5­100 Elliptical galaxies Shapes of elliptical galaxies Elliptical galaxies Shapes of elliptical galaxies Elliptical galaxies Shapes of elliptical galaxies Elliptical galaxies Shapes of elliptical galaxies Elliptical galaxies ...

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• http://www.astro.spbu.ru/sobolev100/sites/default/files/dlugach&mishchenko_presentation.pdf
• Model realization and some results
• INFO: Atomic Data Center

home resources > books . SEARCH ASP SITE: Match ALL words Match ANY word . ... Buy The Black Hole at the Center of our Galaxy at Amazon.com! Reviewed by Terrell Kent Holmes . In 1974 astronomers discovered a bright radio source at the center of the Milky Way Galaxy, in the direction of the constellation Sagittarius. It was an unknown quantity then, but astronomers now know that the object is a supermassive black hole causing a maelstrom of activity at the galactic center. ...

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• ASP: Resource Center
• ASP: NGC Images on the Net
• Harvey Tananbaum, Director of the Chandra X-ray Center

... Мировой Центр Данных . ... Мировая система данных МЦД в России и Украине English . ... Данные . ... в Мировой Центр Данных по солнечно-земной физике в Москве ! МЦД по СЗФ является регулярным членом Мировой системы данных Международного совета по науке. ... Наш сайт содержит информацию о МЦД по СЗФ в Москве, его архивах и базах данных, о данных в прямом доступе и о возможности поиска данных, об участии центра в научных проектах и программах, а также ссылки на другие сайты с геофизическими данными. ...

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• Index of /stp/data/cosmic.ray
• World Data Center for Solar-Terrestrial Physics, Moscow
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/F

Starburst models, May 2006 R.Siebenmorgen and E. Kr"ugel, AA submm., astroph/0606444 Spatially integrated SEDs are computed for starbursts at a distance of 50 Mpc. Free model parameter are the radius, total luminosity, visual extinction (measured from center to surface) and as secondary parameter the luminosity ratio of hots spots to total. Models are sorted in directories named by the applied radius of the nucleus. ... Each file in the subdirectories contain a particular SED model. ...

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• The Brightness of the Night Sky
• Preparation of parameter file
• THE DEEP X-RAY RADIO BLAZAR SURVEY (DXRBS) I. Methods and First Results

... The operators will be explained as they are used. The general notion to keep in mind is that any combination of these operators results in a 2- D affine coordinate transformation in the TF plane, which may be represented using the homogeneous coordinates often used in computer graphicsfoley. ... S _t_c,f_c = g_t_c,f_c,(_t) | ... We denote a time shift to the position , with an operator that has a multiplicative law of composition : (Table 1). ... Note that these two operators do not commute. ...

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• The Frequency-Frequency (FF) Plane
• Gaussian Chirplet
• Tutorial on Fortran 90, Digital UNIX

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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... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Misconceptions

... Educational programs (English) . ... Research areas . ... Samara State Aerospace University Research Research and education centers Scientific educational center of gas-dynamics research (SEC GDR-209) . ... Equipment set for the scientific and educational laboratory "industrial ecology" . ... Educational and research equipment set for diagnostics and research of heat flows . ... Educational and research equipment set for the parameter analysis of gas-dynamic flows and electric energy flows. ...

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• Kirsh Dmitriy Viktorovich
• Timbay Ivan Aleksandrovich
• Research and education centers

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. ...

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• SIGMA telescope view of the Galactic center
• The 6th INTEGRAL Workshop "The Obscured Universe"

... Tonight's Sky . ... Sky this Month . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Astronomy for Kids . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Astronomy 101 . ... Astronomy Day . ... Gift Center . ... NASA's Ames Research Center in Moffett Field, California . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• International Center for Radio Astronomy Research, Perth, Western Australia |
• NASA's Goddard Space Flight Center, Greenbelt, Maryland | Astronomy.com
• Marshall Space Flight Center, Huntsville, Alabama | Astronomy.com