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http://www.naic.edu/~phil/misc/compareTurCalib.html.
http://www.naic.edu/~phil/misc/compareTurCalib.html.
1. rotaPlatToSky
... Computing the pointing error . ... The platform can be rotated by pulling on the tie downs or redistributing weight on the platform. ... The horn rotates through the same angle as the platform. ... The plots show the computed pointing error for different platform rotation angles (.ps) ( .pdf ): . This shows the pointing error in as you tilt the platform. ... B2209+080 has the pointing errors with no tilt. ... The computed pointing error for a platform tilt track the measured errors pretty well. ...
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Ссылки http://www.naic.edu/~phil/pnt/platMotion/pntErrVsPlatRotation.html -- 14.8 Кб -- 20.06.2012
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2. APO Home Page
... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...
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3. Trigonometry beyond 90 degrees
... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Itrig4.htm -- 10.8 Кб -- 03.12.2003
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Itrig4.htm -- 10.8 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Itrig4.htm -- 10.8 Кб -- 22.12.2007
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4. http://www.stsci.edu/documents/dhb/webvol2/c07_foserrors.fm1.html
... Table 32.2 summarizes the nominal initial accuracies for different kinds of acquisitions. ... FOS Target Acquisition Calibration Accuracies . ... ACQ . ... Blind Pointing . ... In summary, the pointing accuracy limitations of FOS target acquisition methods are: . ... ACQ/PEAK: . ... This was the value achieved by all FOS externally pointed calibration observations obtained after July 1, 1992 and was the ultimate limiting positional accuracy of FOS photocathode granularity and sensitivity calibration...
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Ссылки http://www.stsci.edu/documents/dhb/webvol2/c07_foserrors.fm1.html -- 9.1 Кб -- 10.02.1998
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5. FORS1 Photometric System Characterization
These observations are aimed at fully charactering FORS1 photometric system (UBVRI zero-points, color-terms and extinction coefficients) for the Tektronix 2048x2048 pixel CCD (24µm px) . To this aim, the two Landolt/Stetson photometric fields SA95 and SA101 will be observed on a number of epochs and at different airmasses during February and March 2007. ... SA101 . ... OBs for SA101 have to be observed during evenigh twilight (exceptions are expected for the second half of March) . ...
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Ссылки http://www.eso.org/~fpatat/fors/testphot2/ -- 10.8 Кб -- 12.03.2007
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6. Input Parameters to the Self-Calibration Tasks
... We now describe the input parameters to the self-calibration tasks. ... For selfcal , you need not perform source , dra , or ddec selection if you use the selradec option (see below). minants : The minimum number of antenna that must be present before the tasks will attempt to find a solution. ... and phase : This determines whether the self-calibration tasks solve for just phase ( options=phase , which is the default) or amplitude and phase solution ( options=amplitude ). mfs : . ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node132.html -- 10.6 Кб -- 10.04.2016
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7. Description
... It lists the coefficients defining the colour transformations, the zero points for the different filters and the aperture radii used in the photometric calibration analysis. ... The AB system zero point of the filter FilterID is stored in the keyword ABM0 FilterID , e.g. the AB zero point of the the U-filter is stored in ABM0U. The flux conversion factor derived from White Dwarfs of the filter FilterID is stored in the keyword FCF FilterID . ... description . ... AB Flux conversion factor of U . ...
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Ссылки http://xmm.vilspa.esa.es/calibration/documentation/CALHB/node922.html -- 17.2 Кб -- 20.09.2011
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8. About This Guide
... The Plug-in Guide is your introduction to using Netscape's Plug-in Application Programming Interface (API) to develop plug-ins for Communicator 4.0. ... If you decide to use Netscape's LiveConnect to allow your plug-in to communicate with Java and JavaScript, your next step after reading this guide is LiveConnecting Plug-ins with Java . ... The Plug-in Software Development Kit . ... The Plug-in Guide is designed for the C or C++ developer who wants to extend the capabilities of Netscape Communicator...
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Ссылки http://www.sao.ru/cats/~satr/JS/plugin/abtpg.htm -- 18.9 Кб -- 15.01.1997
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9. E-P transitions for different orbits
Next: The Scenario Machine: Operational Up: Evolution of Magnetic Rotators Previous: Ejector-propeller hysteresis . ... The length of this segment is determined by the eccentricity. ... In this case no hysteresis occurs and transitions E -- P and the reverse take place in symmetrical points of the orbit. ... Here EP means a mixed state of the rotator at which it is in the ejector state during one part of the orbit, and in the propeller state during the rest of the orbital cycle. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node32.html -- 10.3 Кб -- 26.02.1997
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10. DIGITAL WDC EXCHANGE FORMAT FOR OBSERVATORY 1.0 MINUTE VALUES
DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...
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Ссылки http://www.iki.rssi.ru/magbase/HTML/WDCFORM.HTM -- 6.6 Кб -- 03.07.2001
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11. APOD: 2001 February 19 - Shuttle Plume Shadow Points to Moon
... 2001 February 19 . Shuttle Plume Shadow Points to Moon . ... Explanation: Why would the shadow of a space shuttle launch plume point toward the Moon? ... Next, just at sunset, the shadow is the longest and extends all the way to the horizon . ... Therefore, as Atlantis blasted off, just after sunset , its shadow projected away from the Sun toward the opposite horizon, where the Full Moon just happened to be. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap010219.html -- 4.8 Кб -- 01.10.2012
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12. Getting Common Information About Access Points
There are various kinds of generic information you can retrieve about an XPA access point by using the xpaget command. ... Each XPA access point supports a number of reserved sub-commands that provide access to different kinds of information, e.g. the access control for that access point. ... acl get (set) the access control list [options: host type acl, for set] . ... This access point is available only on the server machine. -env get (set) an environment variable [options: name (value, for set)] . ...
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Ссылки http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/xpa-2.1.14/doc/info.html -- 7.9 Кб -- 25.12.2003
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/RD/xpa/info.html -- 7.9 Кб -- 01.10.2012
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13. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . ... Bad Astronomy: The North Star, Polaris, is a very bright star. Good Astronomy: Polaris is a middling-bright star, easily missed. ... He said it was close to Polaris, the North Star, but he also said it was in the East. ... It's natural, I suppose, to think that such an important star should be bright, but really, that's a conceit, like thinking that the Earth is at the center of the Universe. If more people knew just why Polaris is the North Star, this Bad Idea would stop. ...
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Ссылки http://www.badastronomy.com/bad/misc/badpole.html -- 23.8 Кб -- 09.04.2016
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14. ASP: To Every Season There is a Reason
... If the Earth is round, the Sun must be north of the equator in northern summer, and south of the equator in northern winter. ... From the Earth's perspective, the Sun is spiraling from north to south and back again along the ecliptic (see figure 7 ). ... The round Earth, at the summer solstice. ... If the rotation axis of the Earth is tilted with respect to its orbit, the equator bobs back and forth, causing the Sun to be north for half the year, and south for the other half (see figure 9 ). ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/29/season4.html -- 12.7 Кб -- 02.10.2012
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15. A Graphical Front End for the WIYN Telescope Engineering Data System
... Next: Space and the Up: GUIs and Visualization Previous: A Graphical Planning . ... The WIYN 3.5m Telescope Control System features a platform independent, network transparent protocol for distributing telescope control data to both local and remote sites. ... The WIYN Engineering Data Subsystem (EDS) is a spacecraft-style telemetry system that sends telescope telemetry (encoders, currents, voltages, pointing data, etc.) in a machine-independent format to clients connected across a network. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/percivalj.html -- 11.0 Кб -- 03.11.2000
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16. Atmospheric influence on the different radioengineering systems functioning.
Atmospheric influence on the different radio-engineering system functioning . ESTIMATION OF ATMOSPHERIC OPTICAL CHARACTERISTICS AND REMOTELY SANSED IMAGE CORRECTION . ... Direct transmittance estimation results for 12 channels of the spectrometer CHRIS. ... We have managed to develop a direct method of estimating the discrete Normalized Atmospheric Point Spread Function (NAPSF) from available images alone, not using any external sources of information about the atmosphere. ... IRE RAS 1996-20 11 ...
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Ссылки http://www.cplire.ru/html/atm/correction.html -- 19.8 Кб -- 18.10.2011
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17. Platform Specific Notes - Apache HTTP Server
... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document explains how to install, configure and run Apache 2.0 under Microsoft Windows. ... Version 1.3 of the Apache HTTP Server is the first version which includes a port to a (non-ASCII) mainframe machine which uses the EBCDIC character set as its native codeset. Warning: This document has not been updated to take into account changes made in the 2.0 version of the Apache HTTP Server. ...
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Ссылки http://www.arcetri.astro.it/manual/de/platform/ -- 6.1 Кб -- 21.01.2013
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18. First Steps to the Renaissance
.
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Ссылки http://zebu.uoregon.edu/2003/ph301/hlec06.html -- 9.5 Кб -- 18.01.2011
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19. (Untitled)
This section of AMPLE enables one to make ephemeris calculations in various coordinate systems (spherical, rectangular) connected with different main planes (equator, ecliptic, horizon) and having origin in different points: geocenter, any point on the Earth surface, the Sun, any major planet, any minor planet. The choice of some minor planet as a center gives possibility to find approaches of the minor planet with any set of major planets and minor planets. ... equinox . 1950 2000 true . ...
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Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user9nz7.htm -- 6.7 Кб -- 10.04.2016
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20. Journal "Peremennye Zvezdy"
Polaris: The North Star . ... First, Polaris is the nearest bright star to the north spin axis of the Earth. Therefore, as the Earth turns, stars appear to rotate around Polaris , making it the North Star . Since no bright star is near the south spin axis of the Earth, there is currently no South Star . Thousands of years ago, Earth's spin axis pointed in a slightly different direction , and Vega was the North Star. ... NASA Web Site Statements, Warnings, and Disclaimers . ...
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Ссылки http://www.astronet.ru/db/varstars/msg/1161148 -- 8.3 Кб -- 12.11.2006
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