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1. Observing with Linear Ramp Filters
The Linear Ramp Filters (LRFs) provide a narrow band ( ) imaging capability which is continuously tunable from 3710е to 9762е. These are essentially a collection of narrow band interference filters whose central wavelength varies with position on the filter glass. ... If it is necessary to know which CCD will be used, observers can consult Table 3.7 or Table 3.8 , or use the on-line LRF calculator tool on the WFPC2 WWW pages. ... See Linear Ramp Filters for further details on LRFs.) ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/instruments/wfpc2/Wfpc2_hand4/ch7_strategy11.html -- 10.2 Кб -- 04.09.2001
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2. The Wind Spacecraft
The Wind spacecraft. ... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... For additional details and updates, see the home page of the "Wind" mission. Exploration" home page (index) Glossary . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wwind.html -- 7.4 Кб -- 15.03.1999
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3. –А observer : V–їnus, Spica et des –їtoiles filantes | Ciel et Espace
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit–їs . ... les plus belles images de l'Univers d–їcrypt–їes pour vous . ... Accueil –А observer : V–їnus, Spica et des –їtoiles filantes . ... Surveillez aussi les –їtoiles filantes . Lorsque le ciel devient sombre, il se peut que quelques m–їt–їores z–Rbrent le ciel, car c'est actuellement le pic d'activit–ї de l'essaim d'–їtoiles filantes des Aurigides . ... 08/08/2013 - Les Nuits des –їtoiles 2013 : cвАЩest parti ! ...
[ Сохраненная копия ]  Ссылки http://www.cieletespace.fr/node/5836 -- 29.9 Кб -- 09.04.2016
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4. Calculating the Position and Velocity Components of HST
... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/aket.html -- 12.3 Кб -- 03.11.2000
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5. What was measured?
... An OBJECT column gives the name of the object observed (usually a star name). ... In critical cases, it is common practice to measure sky on two or more positions around a target object, and these positions must be identified. ... A general treatment of this problem requires a column called OBJECT, bearing the usual name of the object (as in the star tables); a column labelled STARSKY, to distinguish between star+sky, star alone, or sky alone; and additional columns to identify the sky position. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node637.html -- 8.1 Кб -- 23.02.1996
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6. lsst.tcc: python/tcc/axis/coordConvWithFP.py Source File
lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... axis . coordConvWithFP.py . ... 22 љ def coordConvWithFP (fromCoordSys, fromPVTPair, fromPxPMRadVel, fromDir, toCoordSys, obj, inst, zeroPM, useGSWavelen): . 23 љ """!Convert a coord from one coordinate system to another . ... 35 љ @param[in] obj object block computed at desired desired TAI date of conversion . ... 50 љ obj = tcc.base.Obj(obj) # make a copy so I can change obj.site if useGSWavelen . ... tcc.axis.rotFromObs.rotFromObs . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/TCC/html/coord_conv_with_f_p_8py_source.html -- 35.1 Кб -- 14.09.2015
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7. Stellarium: BigStarCatalogExtension::StarWrapper< Star > Class Template
... BigStarCatalogExtension::StarWrapper< Star > Class Template Reference . StarWrapper (const SpecialZoneArray < Star > *a, const SpecialZoneData < Star > *z, const Star *s) . ... getJ2000EquatorialPos (const StelCore *core) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ...
[ Сохраненная копия ]  Ссылки http://astro.uni-altai.ru/~aw/stellarium/api/classBigStarCatalogExtension_1_1StarWrapper.html -- 41.7 Кб -- 28.02.2014
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8. Description
... This task operates on event data in an event list. ... In the first two cases, the celestial coordinates of the reference point are taken respectively as the values of the RA_NOM , DEC_NOM or RA_OBJ , DEC_OBJ values in the input event file header. ... Although the OM attitude information may be more accurate, it will not be present throughout part of the observation, and as such, the default source for the attitude data should be "ahf". ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/attcalc/node3.html -- 10.9 Кб -- 09.07.2007
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9. (Untitled)
Here user should specify the origin of coordinate system (observer's position). In case of rectangular coordinates it can be center of any major planet or the Sun or any minor planet. ... For spherical coordinates the origin of coordinate system can coincide only with the center of the Earth or with any point on the Earth surface. ... a)by code of observatory in the list of observatories maintained by Minor Planet Center (see IX. Observatories ). b)by introducing name of observatory. ...
[ Сохраненная копия ]  Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user3w6q.htm -- 2.7 Кб -- 10.04.2016
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10. VSOP Observing Schedule
... VS experiment codes are VSOP Survey Observations VT Test/Calibration Observations --------------------------------------------------------------------- EXPNO SOURCE FRQ Corr DOY DY: DATE UT RANGE #TEL TELESCOPES V028a2 J1733-13 L Socr 156 Su:Jun-04 06:00 - 13:00 11 VLBA TI W030e2 J1733-13 C Socr 157 Mo:Jun-05 04:00 - 13:00 11 VLBA CD W031b VS01m W030e3 J1733-13 C Pent 157 Mo:Jun-05 13:00 - 20:00 4 HH CD UD KA W031B W030f1 J1911-20 C ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/pub/people/vlbi/vsop/www/short_000604.html -- 6.8 Кб -- 27.12.2007
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11. ON/OFF (Position Switching)
... The procedure simply observes ON your source for x minutes and then takes a `blank sky' observation OFF your source for the same amount of time and tracking the same azimuth and zenith angle range. ... Typically, observing times are kept to within 5 minutes (with 5 minutes as the most efficient, and therefore default, choice). ... If your scans are for 5 minutes or less, your wait time should be set to 1 minute (the default setting). ... A 5 minute ON/OFF + 10s CAL takes 11.3 minutes. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~astro/spectral_line/handbook_old/node9.html -- 6.0 Кб -- 31.05.2001
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12. ASP: Using Multicultural Dimensions to Teach Astronomy
... the time of observation . ... Observing the Changing Position of the Sun To Establish Cardinal Directions . ... Observations of the Sun's apparent movement across the sky and its pattern of rising and setting in the east and west horizon helped to establish the cardinal directions. ... The final stage of the Sun's return was marked by the observation that the Sun had reached its highest altitude when the full width of your mitted hand could fill the gap between the Sun and the horizon. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/53/multicultural2.html -- 15.2 Кб -- 02.10.2012
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13. Multipoint correlations of the solar wind parameters observed by several
The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
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14. Mars orbiter repositioned to phone home Mars landing | Astronomy.com
... Tonight's Sky . ... Mars . ... Home . ... Observing . ... Mars orbiter repositioned to phone home Mars landing . ... Two other Mars orbiters, NASAт??s Mars Reconnaissance Orbiter and the European Space Agencyт??s Mars Express, also will be in position to receive radio transmissions from MSL during its descent. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/news/2012/07/mars-orbiter-repositioned-to-phone-home-mars-landing -- 68.4 Кб -- 10.04.2016
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15. GRANAT Home Page
GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...
[ Сохраненная копия ]  Ссылки http://hea.iki.rssi.ru/GRANAT/granat.html -- 2.5 Кб -- 03.11.2009
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16. nssdcftp
Coordinate Systems used for spacecraft trajectory description: . ... The HGI coordinates are Sun centered and inertially fixed with respect to an X-axis directed along the intersection line of the ecliptic and solar equatorial planes. ... Cometocentric (solar) Ecliptic Coordinate System (CSE) . ... CSE coordinate system for the SC POSITION: axis origin at comet center, X-axis to the SUN, Z-axis to ecliptic north pole, (X,Y)-plane is parallel to the ecliptic plane. ...
[ Сохраненная копия ]  Ссылки http://www.izmiran.rssi.ru/projects/space/VEGA/coorsys -- 4.6 Кб -- 21.01.2010
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17. 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. ... LX70 Series . ... 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 . ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/products.html?cat=16 -- 87.4 Кб -- 10.04.2016
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18. ESO - ALMA
... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/facilities/alma.html -- 27.7 Кб -- 09.04.2016
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19. Planetary positions
... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~dja/planets.html -- 16.7 Кб -- 01.12.2009
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20. Accuracy of World positional CCD observations of the numbered minor planets
... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...
[ Сохраненная копия ]  Ссылки http://www.accuracy.puldb.ru/ADVISES.HTM -- 2.8 Кб -- 05.12.2007
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