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1. Using multiple FP-POS positions at new COS Lifetime Location.
... HST . Using multiple FP-POS positions at new COS Lifetime Location. ... HST Overview . ... To minimize such local degradation at the new COS lifetime position and maximize COS FUV data quality, proposers are strongly encouraged to use all four FP-POS positions (FP-POS=ALL) at any given CENWAVE when planning their observations in Cycle 20 as well. ... STScI will keep monitoring the ongoing and planned usage of the different COS CENWAVE and FP-POS positions at the new COS lifetime position. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/cos/documents/newsletters/cos_stis_newsletters/full_stories/2012_06/fp_pos_new_lifetime_pos.html -- 19.3 Кб -- 12.04.2016
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2. Source Positions
Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/EGRET2/node7.html -- 9.0 Кб -- 08.05.1998
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3. NICMOSlook and Calnic C: Slitless Spectra Extraction Tools
Next: Analysis Tools for Nebular Emission Lines . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... The direct image is used to locate objects of interest, to find the position of the appropriate spectra in the grism image, to determine the optimal extraction technique to use, and to calibrate the wavelength range of the extracted spectra. ... Figure 1: The NICMOSlook User Interface . ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/conferences/adass/adassVII/pirzkaln.html -- 9.2 Кб -- 12.06.2006
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass97/pirzkaln.html -- 9.2 Кб -- 15.05.1998
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4. Analysis of very bright sources
XMM-Newton Science Analysis System . ... A different approach is done via the setting withctisrcpos =Y: all event energy corrections do not use the actual RAWY coordinate but the corresponding RAWY location of the source ( SRCPOS ) as determined by the task epframes (either automatically or via setting withsrccoords =Y). ... The task epchain may be used with the setting ccds =4 withctisrcpos =Y to process only the CCD 4 where usually the bright source is located that causes the Out-of-Time events. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/epevents/node10.html -- 4.7 Кб -- 26.11.2007
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5. *skypix* -- conversion of pixel position to sky coordinates
Next: *wcscoord* all Up: Celestial Coordinates from Image Previous: *tvlabel, xexamine* . ... Type pixel coords in skypix . xr xspatial xs skypix .oformat = ``hours'' # to reset the default which is ``degrees''. xs skypix input coordinate system ( J2000 ): xdata$rh110267_img # the image file name output coordinate system ( J2000 ): image # to use coord conversion # in image file header or B1950 or J2000 # epoch of output can be specified input file list (STDIN): cr ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/PROS/PUG/node79.html -- 4.3 Кб -- 01.10.2012
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6. http://scan.sai.msu.ru/lk/
Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...
[ Сохраненная копия ]  Ссылки http://scan.sai.msu.ru/lk/ -- 6.6 Кб -- 24.12.2015
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7. Coordinate System
The GIPSY coordinate system is implemented in terms of a collection of mostly FITS-compatible GDS descriptor items. ... The axis name is uniquely related to the physical coordinates of the pixels along the axis. ... For this position the physical coordinate is precisely defined in CRVAL i , and therefore we call this position the projection centre. ... The GIPSY coordinate system also recognizes secondary axis descriptors, which relate grid positions to a different type of physical units. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/gipsy/pguide/coordinates.html -- 8.9 Кб -- 17.01.2009
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8. http://www.naic.edu/~phil/mbeam/wedgePosition.html
Lynn baker and mike nolan hung a target under the alfa location and surveyed its position in dome center line coordinates: . ... We mounted a single target thru two exisitng holes in the floor. ... The reference set used is dome centerline coordinates and units of inches. ... The coordinates of the target are: ALFA4 -246.5803 -0.0677 -393.7084 For reference, the focal point of the optics in the same system is: Nominal focus: -248.145 .0 -389.822 The target was not too far from the nominal focus. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/mbeam/wedgePosition.html -- 4.9 Кб -- 12.04.2004
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9. http://xray.sai.msu.ru/~ivan/gmt/man/fitcircle.html
fitcircle - find mean position and pole of best-fit great [or small] circle to points on a sphere. fitcircle [ xyfile ] -L norm [ -H [ nrec ] ] [ -S ] [ -V ] [ -: ] [ -bi [ s ][ n ] ] fitcircle reads lon,lat [or lat,lon] values from the first two columns on standard input [or xyfile ]. ... Then two locations are found: the mean of the input positions, and the pole to the great circle which best fits the input positions. ... If no file is specified, fitcircle will read from standard input. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~ivan/gmt/man/fitcircle.html -- 5.7 Кб -- 19.03.1999
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10. Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/ -- 79.0 Кб -- 09.04.2016
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11. The TAIL 1996/1997 campaign
This Home page will support the INTERBALL mission coordinations with other simultaneous Space Physics missions during TAIL 1996/1997 campaign (October 1996 - Janury 1997). IKI Situation Center will provide the situation analysis in order to predict the Favorable Spatial Positions (FSP) and multisatellite magnetic conjugations for spacecraft as follows: IB_AURORAL, IB_TAIL, POLAR (NASA), GEOTAIL (NASA/ISAS). ... Auroral probe POLAR . Auroral probe GEOTAIL . Tail probe POLAR . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/vprokhor/ctail96/fsp.htm -- 9.7 Кб -- 28.07.1999
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/vprokhor/ctail96/