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1. http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19990317_M1_INST_REM/19990317.html
... Mirror hard points, Galil channels A-D, are at nominal positions for observations . Lateral link drives, Galil channels E & F, are at nominal positions for observations . Install telescope-wind baffle turnbuckles . ... Remove wind baffle (see wind baffle rem. proc.) . ... Remove remaining 2 pair of wind baffle counterweights . ... Move wind baffle + telescope to zenith "bird bath", install pin, apply telescope altitude brake, depress emergency stop button and disable wind baffle drive . ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19990317_M1_INST_REM/19990317.html -- 7.6 Кб -- 17.03.1999
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2. Products
STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LightBridge Series . ... Contact Us . ...
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Ссылки http://www.meade.com/products.html?cat=41 -- 93.8 Кб -- 10.04.2016
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3. http://www.stsci.edu/documents/dhb/web/c13_fgserrorV2.fm3.html
... Astrometry with the FGS, by contrast, proceeds in the reverse order; the positions of the individual objects are found first, and then a virtual plate is constructed with the help of data from the guide stars and check stars. ... Corrections based on guide star data are referred to as POSITION mode dejittering , and those based on check star data are called drift corrections . ... The adjustments to the astrometry centroids from this POSITION mode dejittering correction are typically about 1 mas. ...
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Ссылки http://www.stsci.edu/documents/dhb/web/c13_fgserrorV2.fm3.html -- 7.1 Кб -- 17.11.1997
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4. 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. ...
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5. LonGSp: Optical Design
The optical scheme of the instrument is sketched in Figure 1 , it is designed to match the F/20 focal ratio of the TIRGO telescope. We have, following the optical path, the window of the dewar, the order sorting filter (not in figure), a field lens, in Calcium Floride, and the slit, in the focal plane of the telescope. ... The resolving power is (for first order of grating) of about 600 in the center of J band and 950 in the center of the K band, using a slit of two pixel (3.46 arcsec). ...
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Ссылки http://www.arcetri.astro.it/irlab/instr/longsp/desc/ottica.html -- 5.2 Кб -- 16.02.2000
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6. Spatial coordinate systems
Next: Time coordinate system (TIMCOORD) Up: Coordinate Definitions used by Previous: Coordinate Definitions used by Contents . The CAL makes use of the following spatial coordinate systems . PIXCOORD0: Telemetry-related CCD pixel coordinate system . ... PIXCOORD1: Node-oriented CCD pixel coordinate system . ... The pixel coordinate system is, thus, node-oriented . ... CAMCOORD1/CAMCOORD2: Camera reference systems . ... Camera unit(s) . alignment of CAMCOORD1/2 axes in PIXCOORD1 frame . ...
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Ссылки http://xmm.vilspa.esa.es/calibration/documentation/CALHB/node7.html -- 20.9 Кб -- 20.09.2011
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7. Astrophysics Group COAST Technical Details
... Astrophysics Group . ... COAST Technical Details . ... The beam from each telescope passes through an aluminium tube, which serves to isolate it from the atmosphere, into the beam combining building. ... Inside the beam combining building the outer annulus of each light beam is separated and used in the acquisition and autoguider system. ... A simple algorithm is then used to detect the offset from the centre of the field, and this is corrected using piezo-driven mirrors at the back of the...
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Ссылки http://www.mrao.cam.ac.uk/outreach/radio-telescopes/coast/coast-technical-details/ -- 18.9 Кб -- 10.04.2016
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8. http://www.atnf.csiro.au/computing/software/gipsy/tsk/slice.dc1
... POSITION= Give central position: [0,0] ANGLE= Give angle (deg), w.r.t North towards the East: GRIDOUT= New grid spacing of [spacing in longitude] rotated axis: POINTS= Give number of pixels on rotated axis: [Number of pixels on longitude axis] SLICES= Number of slices above and below slice [0,0] through new projection centre. Total number of slices cannot exceed 256. SPACE= Spacing between slices: [grid spacing in latitude] OUTSET= Give output set: PLOT= Create plot of slice? ...
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Ссылки http://www.atnf.csiro.au/computing/software/gipsy/tsk/slice.dc1 -- 7.4 Кб -- 05.07.1995
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9. http://vast.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)? ... Phase range for plots: -0.5 to 1.0 0.0 to 2.0 0.0 to 1.0 . ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... Two period search methods are currently implemented. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . ...
10. 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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11. Principles of the Magnetic Trapping of Particles
A full explanation of the motion of trapped particles would be too abstract and mathematical for this level, but some basic ideas may be described on an intuitive level. The magnetic force on a moving particle is always perpendicular to the motion, as well as to the magnetic field lines. That is why the basic pattern is motion in a circle, around a magnetic field line. ... The best-known periodic motion is the back-and-forth swing of a pendulum, say of a weight suspended by a string (drawing). ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wtrap2.html -- 8.1 Кб -- 21.12.2007
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12. RTT150 Optical Systems
RTT150 . Russian-Turkish 1.5-m Telescope . ... Telescope has two main foci (Cassegrain and Coude ) and allows to use six optical systems based on Ritchey-Chretien system with a common main mirror . At present scientific observations are being performed at the Cassegrain focus in main optical scheme with focal ratio of 1:7.7. ... flat . ... To use the Coude focus the removable flat diagonal mirror is also needed in the crossing point of declination axis and main optical axis of telescope. ...
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Ссылки http://hea.iki.rssi.ru/AZT22/ENG/to_opt.htm -- 7.6 Кб -- 18.02.2004
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13. HYPERLEDA
HyperLeda . ... HyperLeda home | ... Search by name | Search near a position | Define a sample | SQL Search | ... If HyperLeda was helpful to your research . ... Search near a position or name . ... SQL search . Quick search . HyperLeda compilation catalogues . Basic data . ... Position angle . Internal kinematics . Central velocity dispersion . Maximum velocity of rotation of the stars . Maximum velocity of rotation of the gas . ... 1&2-D kinematical data . ...
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14. Central meridian positions for physical observations of Uranus for Computer
Computer Ephemeris for 2016 from DE200/LE200. Longitude of central meridian of Uranus. ...
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Ссылки http://space.univ.kiev.ua/ephem/16a/Pm7.html -- 5.2 Кб -- 28.12.2015
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15. http://www.naic.edu/~phil/mbeam/mbeamrotation.html
... The Figure shows the parallactic angle in relation to the source position at (RA,DEC), the zenith of the telescope at (LST,AoLatitude), the hour Angle HA, and the azimuth direction AZ (in the picture the source has already transitted). ... Now suppose that a second feed was placed 1 beam width away from the central horn parallel to the azimuth arm. ... Figure 1. shows the parallactic angle rate versus azimuth angle for declinations 8 through 28 (spaced 1 degree steps from Arecibo's latitude). ...
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Ссылки http://www.naic.edu/~phil/mbeam/mbeamrotation.html -- 6.5 Кб -- 08.12.2004
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16. VISTA - Visible and Infrared Survey Telescope for Astronomy
... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...
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17. (Untitled)
... 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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Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user4lys.htm -- 3.7 Кб -- 10.04.2016
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18. Optical Surface Cleaning Procedure ? Amateur Astronomers Association of New...
... Home Articles Optical Surface Cleaning Procedure . ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Optical Surface Cleaning Procedure . Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
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Ссылки http://www.aaa.org/articles/optical-surface-cleaning-procedure-2/ -- 99.5 Кб -- 10.04.2016
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19. Flight to Mars: the Return Trip
... Just one: a very stringent requirement on the relative positions of Earth and Mars at the time of launch. ... Suppose the spacecraft which has landed on Mars is a robot , which collects a sample and immediately takes off again for its return trip. ... Since Earth and Mars constantly change their relative position, it stands to reason that if we sufficiently delay the return trip, Earth will move from position (2) relative to Mars to position (3), at which time the return trip can begin. ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Smars3.htm -- 13.0 Кб -- 01.06.2006
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smars3.htm -- 13.0 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smars3.htm -- 13.0 Кб -- 22.12.2007
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20. The 220 Mirrors of CRTF
... The 220 Mirrors of CRTF . ... Recently, astronomers with the STACEE project have begun using CRTF to collect secondary light emitted when high-energy gamma rays strike the Earth's atmosphere. Photons in this range might allow further exploration of enigmatic gamma ray burst explosions, and might be emitted when cosmic rays from supernovae impact gas clouds in the interstellar medium . ... Publications with keywords: cosmic rays - telescope - gamma ray . ... Cosmic Rays from Galactic Centers . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/1999-10-04 -- 14.6 Кб -- 12.11.2006
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