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http://www.stecf.org/software/IRAFtools/stecf-iraf/imres/apomask.hlp.html.
http://www.stecf.org/software/IRAFtools/stecf-iraf/imres/apomask.hlp.html.
1. Select a circle around the central point source
Next: A box, to include Up: To produce a region Previous: To produce a region . select cursor and circle . When in the image window, the mouse now has a box shape with an arrow at the upper left corner. The mouse buttons act as follows: . LEFT - to move the center of the circle at the position of the arrow point. ... RIGHT - idle. center the circle at the point source by positioning the arrow point and clicking on the LEFT mouse button. A circle will appear at the arrow position. ...
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Ссылки http://hea-www.harvard.edu/PROS/PUG/node62.html -- 5.9 Кб -- 01.10.2012
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2. http://xmm.vilspa.esa.es/sas/5.4.1/doc/omregion.ps.gz
... Parameter Mand Type Default Constraints set yes string The input OM OSW source list srcnumber yes integer The number of the source in the OM OSW source list srcradius yes real 3 The size of the source extraction radius : in FWHM of the source PSF, if it is positive, and in xed pixels if it is negative bkginner yes real 1 The inner radius of the background extraction ... The output region les could be based on the input root plus the source number. ...
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Ссылки http://xmm.vilspa.esa.es/sas/5.4.1/doc/omregion.ps.gz -- 48.3 Кб -- 10.01.2003
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3. Source Fitting and Positions
... Miriad has a couple of tasks available for finding positions of sources (see also cgcurs in Chapter 17 ). ... It fits a 2-D parabola to the image intensities in a 3 by 3 pixel box centred on the brightest pixel in a specified region and reports the fitted location and intensity. ... Input image . ... The quality of your fit can improve significantly by selecting a snug region, and/or using the clip keyword to keep pixel values with little signal (e.g. sidelobes and noise) out of the fitting process....
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node155.html -- 8.7 Кб -- 10.04.2016
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4. The magnetosphere models
The Earth's magnetosphere global structure is conditioned by the interaction of the Solar wind and Earth's magnetic field. ... Many various magnetospheric models are available in the NSSDC . ... Fairfield D. H., Average and unusual location of the Earth's magnetopause and bow shock, J. Geophys. ... Stasiewicz K., Polar Cusp Topology and Position as a Function of Interplanetary Magnetic Field and Magnetic Activity: Comparison of a Model with Viking and other Observations, J. Geophys. ...
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Ссылки http://www.iki.rssi.ru/vprokhor/descr/msphere.htm -- 5.8 Кб -- 12.05.1999
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/descr/msphere.htm -- 5.8 Кб -- 12.05.1999
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/descr/msphere.htm -- 5.8 Кб -- 12.05.1999
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5. XWare > APOD
... The Sun orbits the center of the Milky Way Galaxy. The Milky Way Galaxy orbits in the Local Group of Galaxies. The Local Group falls toward the Virgo Cluster of Galaxies. New York to London Milky Way . ... Bright stars of Sagittarius and the center of our Milky Way Galaxy lie just off the wing of a Boeing 747 in this astronomical travel photo. ... As pictured above, the central part of our Milky Way Galaxy is seen rising to the east on the image left and arching high overhead. ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=51&d=2015-10 -- 15.2 Кб -- 12.04.2016
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6. APOD: 2015 April 25 - Cluster and Starforming Region Westerlund 2
... 2015 April 25 . Cluster and Starforming Region Westerlund 2 . Image Credit Copyright : NASA , ESA , the Hubble Heritage Team . ... Explanation: Located 20,000 light-years away in the constellation Carina, the young cluster and starforming region Westerlund 2 fills this cosmic scene . ... Strong winds and radiation from those massive young stars have sculpted and shaped the region's gas and dust, into starforming pillars that point back to the central cluster. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150425.html -- 5.3 Кб -- 10.04.2016
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7. Thesis Figures
... Values have been scaled arbitrarily. High ratios are shown in blue, corresponding to blue colors, and low ratios are shown in red, corresponding to red colors. ... Noise combined with background subtraction difficulties in the lower left quadrant of the WISP1 data (see Fig. \ref{Fig:wisp_snr_mskd}) make colors in this area very unreliable. ... The values shown here are typically a factor of ~3 less than those calculated for the Schmidt data, shown in Figure \ref{Fig:bj_alpha}. ...
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Ссылки http://www.naic.edu/~gibson/thesis/fig/fig_ch4.html -- 8.9 Кб -- 27.06.1999
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8. ESO - A number of OmegaCAM filters show vignetting in their central regions.
... Data Reduction FAQ > A number of OmegaCAM filters show vignetting in their central regions. What are the causes for this and what are the dimensions of these features? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... A number of OmegaCAM filters are not monolithic, but consist of four segments (each covering 8 detectors) that have a central cross-shaped support structure. ... Filter . ...
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Ссылки http://www.eso.org/sci/data-processing/faq/a-number-of-omegacam-filters-show-vignetting-in-their-central-regions-what-are-the-causes.html -- 23.4 Кб -- 10.04.2016
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9. Definition of objects, sky subtraction and extraction of objects
Next: Data Structures Up: Multi-Object Spectroscopy Previous: Fitting the dispersion . DEFINE/MOS helps you to localize your objects and sky regions and by default works automatically. ... In the averaged frame it tries to detect objects above the threshold ( ) within the search window and fits a gaussian to any detected object. ... SET/MOS def_mode=i . ... It may be advisable to do at least a rough sky subtraction ahead of this command to facilitate the detection of the objects. ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node683.html -- 4.2 Кб -- 23.02.1996
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10. Amateur Astronomers Association of New York ? Amateur Astronomers Association
... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...
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11. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 2: Special Considerations for Cycle 24 > 2.1 COS FUV Detector Lifetime Positions . ... Prolonged exposure to light causes the COS FUV detectors to become less efficient at photon-to-electron conversion, a phenomenon called ?gain sag?. ... STScI is undertaking a number of actions to mitigate the effects of gain sag and extend the lifetime of the COS FUV XDL detector. ...
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Ссылки http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch02.Cycle2.html -- 10.0 Кб -- 12.04.2016
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12. APOD: June 25, 1996 - A Star Forming Region in the LMC
... June 25, 1996 . A Star Forming Region in the LMC . ... Explanation: Stars sometimes form in colorful ways. Pictured above is a small region in the nearby LMC galaxy where stars are forming. ... It may develop a strong wind which pushes away nearby gas ; it may be so hot and intense that emitted light boils away nearby dust and gas , and it may be so massive that it soon goes supernova and catapults its elements back to the interstellar medium . ... About APOD | ... Specific rights apply. ...
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Ссылки http://www.sai.msu.su/apod/ap960625.html -- 5.1 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/dem192_umich_big.html -- 4.7 Кб -- 04.03.2001
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/dem192_umich_big.html -- 4.7 Кб -- 04.03.2001
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13. Help for FIRST Survey Postage Stamp Server incl contour option
This WWW form allows the user to obtain "postage stamp" FITS or jpeg images of selected, small fields from the VLA FIRST Sky Survey. ... The specified region of the closest FIRST field (if it exists) is returned as a FITS format or JPEG format image or a postscript CONTOUR plot. ... SIN = Sine projection (default, used by FIRST) . ... The FIRST postage stamp server can return a FITS file with the MIME type of image/x-fits; your browser needs to be told a suitable display program for FITS files. ...
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Ссылки http://www.mrao.cam.ac.uk/projects/surveys/FIRST/posthelp_first_contour.html -- 11.6 Кб -- 24.10.2003
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14. The Electron Pressure Differential between the Sunspot Plume and the
... It was shown in the early 1980's that spectral lines formed around 1-2.5 x 10 5 K were enhanced in radiance by factors up to 15-25 over the normal quiet Sun. From the dynamical viewpoint, this would suggest a pressure imbalance between the sunspot and the surrounding region. ... Here, the electron density was evaluated over a bright sunspot plume region using lines within the O V 760? multiplet. ... The derived densities in all four regions are indicated. ...
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Ссылки http://star.arm.ac.uk/annrep/annrep2003/node49.html -- 7.4 Кб -- 18.05.2004
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15. Some Experiments with the Restoration of NICMOS Camera 2 Images of OMC-1
... Imaging of the core of the OMC-1 region using NICMOS camera 2 through the F212N and F215N filters shows a wide variety of interesting structure on scales of 0.2" at a very high dynamic range (Stolovy et al. ... The application of image restoration techniques, including multi-channel variants of the Richardson-Lucy technique, offers the chance to enhance structure on the finest scales and also to suppress the prominent and richly structured point-spread functions of the many bright stars in the...
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Ссылки http://www.stecf.org/conferences/sardinia/node15.html -- 13.4 Кб -- 12.06.2006
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16. RSSI Members.
... Astro Space Centre , Lebedev Physical Institute RAS, Moscow. ... Cosmonaut Training Centre, Star City, Moscow Region. ... Coordinational Scientific Information Center of Russian Space Forces. ... Institute for Chemistry and Physics RAS, Moscow. ... Institute for Geo-Electromagnetic Research RAS, Moscow Region, Troitsk. ... Institute for Physics and Power Engineering RAS, Kaluga Region, Obninsk. ... Copyright RSSI 1993-1997, Space Research Institute RAS Network Information Centre ...
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Ссылки http://www.rssi.ru/rssiaf_e.htm -- 9.2 Кб -- 01.10.2012
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17. Long description for example of clipping region
This diagram illustrates two block boxes, one above the other, with rectangular clipping regions of different dimensions. ... Both axes depict increments of 5px. The clipping region of the first P box lies entirely within it, offset 5px from the top and left edges of the P box, and 10px from the right and bottom edges. ... The clipping region of the second P box resembles that of the first in style and position, except that the right edge is 5px to the right of the P box's right edge. ...
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Ссылки http://crydee.sai.msu.ru/~vab/html.doc/css2/images/longdesc/clip-desc.html -- 2.3 Кб -- 02.05.1998
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18. TUI:Instruments:DIS:DIS window
Displays the current status of the Dual Imaging Spectrograph (DIS) and allows you to change the configuration. Normally only the most common status is displayed and the configuration controls are hidden. ... Pushing the "Config" button displays configuration controls (each to the right of its corresponding item of status). Select TUI:Save Window Positions to remember the state of this checkbutton. ... Turret : current position of the grating turret. ... Grating : name of the current grating. ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/TUI/Instruments/DIS/DISWin.html -- 6.4 Кб -- 05.09.2014
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19. INTEGRAL 9-year Galactic Survey
... Clean . ... Flux Sign Expo . ... The map above is movable . The image is shown in significance with a squared root color map ranging from 0 to 25. ... Original shows mosaics with all data available. Flux map Error map Significance Exposure . Flux and error maps are in mCrab units. ... Exposure maps are in ksec. INTEGRAL/IBIS 9-year Galactic Hard X-Ray Survey* , A , Volume 545, id.A27 { NASA ADS | ... 7-year Galactic Bulge map , 2009 . 9-year Galactic survey , 2012 . ... Exposure . ...
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Ссылки http://hea.iki.rssi.ru/integral/nine-years-galactic-survey/index.php?key=GAL-Survey-115-2012&ei=3®ion=1&map=expo -- 12.8 Кб -- 10.04.2016
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20. IDL programs
MAKING THE PROFILES . First of all you are expected to load a FITS file ("FILE"-"LOAD"). ... By pressing the middle button you copy the profile from the first profile window to the second one. ... An example: first integral can correspond to the profile of active region and second integral can correspond to the profile of quiet chromospheric region. ... The second profile (which is subtracted from the first one) you extract after clicking on "SUBTRACT"-"MARK QUIET PROFILE" and marking the region. ...
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Ссылки http://lnfm1.sai.msu.ru/~kupry/SOFTWARE/xlook.html -- 6.9 Кб -- 15.01.2004
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Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам
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