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http://xmm.vilspa.esa.es/sas/7.1.0/doc/arfgen/node19.html.
http://xmm.vilspa.esa.es/sas/7.1.0/doc/arfgen/node19.html.
1. 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". ...
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Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/attcalc/node3.html -- 10.9 Кб -- 09.07.2007
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2. Corrected Geomagnetic Coordinates
... Step 1: The magnetic field line tracing from the satellite position up to magnetic equatorial plane using IGRF magnetic field model. Step 2: Tracing back from the point (produced on the Step 1) to the Ionosphere (by using only dipole magnetic field) . ... The magnetic field line tracing from the satellite position up to the Ionosphere (the stop trace altitude 110 km) using Main (dipole) + Extraterrestrial magnetic field model (for example, Tsyganenko [1987], or [1989], or [1990] ) . ...
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Ссылки http://www.iki.rssi.ru/vprokhor/descr/corcoord.htm -- 4.9 Кб -- 12.05.1999
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/descr/corcoord.htm -- 4.9 Кб -- 12.05.1999
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/descr/corcoord.htm -- 4.9 Кб -- 12.05.1999
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3. Corrected Geomagnetic Coordinates
... Step 1: The Footprint position calculation by the magnetic field line tracing from the satellite position up to the Ionosphere by using IGRF + Tsyganenko [1987] magnetic field model (the stop trace altitude 110 km). Step 2: Tracing back from the Footprint (produced on the Step 1) to the dipole equatorial plane (by using only IGRF magnetic field model up to the geocentric distance 8 RE and dipole field model after this distance). ... Back to the description . ...
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Ссылки http://www.iki.rssi.ru/vprokhor/camp2/corcoord.htm -- 3.3 Кб -- 08.08.1997
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4. SAI OCL Catalog Description
... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...
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Ссылки http://ocl.sai.msu.ru/description/ -- 5.9 Кб -- 09.04.2016
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5. FOS/BL Wavelength Correction Description
FOS/BLUE Wavelength-Zeropoint Correction Procedure Summary: A significant time-dependent systematic shift of up to 7 quarter-stepped pixels (1.75 diodes) in the zero-point of the FOS/BL wavelength scale has been confirmed in FOS Instrument Science Report (ISR) CAL/FOS-149 (Rosa, Kerber, and Keyes). ... Figures 1 and 2 (PDF - 14 Kbytes) illustrate the magnitude of the observed shifts and the effectiveness of the quick-fix algorithm provided here. ... Obtain the FOS ISR: CAL/FOS-149 (PDF - 53 Kbytes) . ...
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Ссылки http://www.stsci.edu/ftp/instrument_news/FOS/fosbl_wcorr -- 4.9 Кб -- 12.05.2000
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6. Long description of example of cell background calculation
This diagram shows the six superimposed "layers" of the CSS table model. This diagram illustrates the algorithm for calculating a cell's final background. ... The diagram shows how, looking down on the six rectangles, one may compute the background color of each cell. ... A cell without a background color in the top layer is depicted as a "window" onto the lower layers, which give its final background color. ...
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Ссылки http://crydee.sai.msu.ru/~vab/html.doc/css2/images/longdesc/tbl-layers-desc.html -- 2.3 Кб -- 02.05.1998
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7. http://www.atnf.csiro.au/computing/software/gipsy/tsk/cormap.dc1
Program: CORMAP Purpose: Check whether there is a correlation between two maps Category: ANALYSIS, CALCULATION File: cormap.c Author: M. Vogelaar Keywords: INSET= Give set, subsets: Maximum number of subsets is 2048. BOX= Give box: [entire subset] RANGE= Give range of levels to include in calculation: [all] Input consists of two values. The first value may be greater than the second. See the description for the correct use of this keyword. ... PGCOLOR= Give color 1.. ...
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Ссылки http://www.atnf.csiro.au/computing/software/gipsy/tsk/cormap.dc1 -- 7.8 Кб -- 20.03.2000
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8. Description of SED models
... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...
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Ссылки http://sed.sao.ru/sed_E_models.html -- 9.2 Кб -- 12.01.2005
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9. MAO NASU :: Topic: The "Flame" description (1/1)
... Recent Topics . ... Forum . MAO main . Flame . The "Flame" description . ... The English description is not quite correct, I suggest something like: . ... Just testing forum . The administrator has disabled public write access. sekanato . ... Description changed. ... The administrator has disabled public write access. Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ... Powered by Kunena Forum . ...
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Ссылки http://www.mao.kiev.ua/index.php/ua/forum/flame/20-the-flame-description -- 19.3 Кб -- 10.04.2016
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10. The Chandra Multiwavelength Project (ChaMP) - Spectra
... are preliminary IAU-style names for ChaMP objects. Finalization of names awaits the final systematization of optical coordinates and source identification. ... The yellow regions highlight atmospheric telluric bands at ~6900A and ~7600A. The optical ID, X-ray ID, classification, and redshift are given at the top of each plot, and a series of lines are shown that are often found in sources of that given classification. ... HS limit? ... g' band magnitude; calibrated SExtractor Kron mag or limit . ...
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Ссылки http://hea-www.harvard.edu/CHAMP/IMAGES_DATA/xospec_hdr.html -- 6.4 Кб -- 01.10.2012
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11. worldCoords(3)
... include "worldCoords.h" typedef struct { int hours; int min; double sec; double val; /* value calculated in degrees */ } WC_HMS; typedef struct { WC_HMS ra, dec; } WC; WC* wcInitNull(WC*); int wcIsNull(WC* wc); WC* wcInitFromHMS(WC*, int rh, int rm, double rs, int dd, int dm, int ds, double equinox); WC* wcInitFromDeg(WC*, double ra, double dec, double equinox); WC* wcInitFromStrings(WC*, char* ra, char* dec, double equinox); void wcPrint(WC* wc, char* ra_buf, char* dec_buf, double equinox); . ...
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Ссылки http://www.sao.ru/precise/Local/SkyCat/astrotcl/astrotcl.1a.html -- 6.4 Кб -- 11.09.1998
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12. GSAOI Instrument Description Page
... GSAOI Home . Instrument . ... The Gemini South Adaptive Optics Imager (GSAOI) is a near-infrared adaptive optics camera that will be used with the Multi-Conjugate Adaptive Optics (MCAO) system on the Gemini South 8-m telescope . ... Gemini's major instrumentation goal is to develop its Multi-Conjugate Adaptive Optics (MCAO) system for scientific use on Gemini South. ... Existing adaptive optics systems use a single natural guide star or artifical laser guide star to measure this image blur. ...
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Ссылки http://www.mso.anu.edu.au/gsaoi/description/index.shtml -- 9.5 Кб -- 01.10.2012
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13. Description of the RadioAstron project, english version
Orbit . ... The orbit of the RadioAstron provides four types of study: . rough images of radio sources with ultra-high angular resolution, using all baselines up to the radius of the apogee, that is much larger than Earth diameter; . ... high quality imaging of radio sources, with moderate resolution, by observing either with small projected base lines Earth-spacecraft, i.e. close to the orbital plane, or near the perigee. ... high accuracy orbit determination. ... Space Radio Telescope . ...
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Ссылки http://www.asc.rssi.ru/RadioAstron/description/orbit_eng.htm -- 7.3 Кб -- 10.05.2008
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14. Astrophysical Research Consortium - Apache Point Observatory
... The Near-Infrared Camera/Fabry-Perot Spectrometer (NIC-FPS) is a collaborative effort of the University of Colorado, the Astrophysical Research Consortium, Apache Point Observatory, and Ball Aerospace. It consists of a near-infrared imaging camera and a Fabry-Perot etalon which can be moved in and out of the beam, enabling full-field spectrometry with a selection of narrowband filters as blockers. ... CCD is a Rockwell Hawaii-1RG detector 1024 x1024 . CCD pixel size = 18 m . ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/NICFPS/NICFPS_quick_info.html -- 8.4 Кб -- 01.10.2007
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15. Database of Optical Constants -- Level: welcome
The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...
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Ссылки http://www.astro.spbu.ru/JPDOC/ -- 10.8 Кб -- 19.11.2010
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16. VLTI Calibrator Selection Help Page
The VLTI Calibrator Selector Tool is a tool intended to assist in the selection of suitable interferometric calibrators for VLTI observations with MIDI and AMBER. It uses a model of the VLTI and its instruments to assess the fringe visibility, given the observed bandpass, the geometry, spectrum, and coordinates of the target and the time at which the observations are to be made. ... The tool offers an HTML/Java based interface and consists of two pages. ... The quality flag depends on LDD_chi2. ...
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Ссылки http://www.eso.org/observing/etc/doc/helpcalvin.htm -- 13.1 Кб -- 10.04.2016
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17. GALFA System Description
Section I: Introduction to ALFA and GALFA . Section II: System Description . ... ALFA receives 7 beams, 2 polarizations per beam, each covering 1225-1525 MHz. The 14 IF signals cover nominally the 100 to 400 MHz band. ... A high-resolution, low-bandwidth spectrometer (8K channels covering a 7 MHz bandwidth) . ... Each spectrometer board handles two polarizations from one telescope beam.The baseband signals are to be digitized by four 8-bit ADCs at 100 Msamples/sec. ... Bandwidth: . ...
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Ссылки http://www.naic.edu/alfa/galfa/docs/galspect/system/galfa_desc.html -- 7.9 Кб -- 18.07.2006
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18. VISTA ETC - Exposure Time Calculator
... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...
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Ссылки http://www.vista.ac.uk/observing/etc/index.html -- 15.1 Кб -- 28.03.2013
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19. POLIMODEL (V1.00) --- April99 --- POLIMODEL (V1.00)
polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...
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Ссылки http://www.stecf.org/software/IRAFtools/stecf-iraf/impol/polimodel.help.html -- 6.1 Кб -- 06.06.2006
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20. DUST: dustiface.h File Reference
... dust_AbsXSec . Absorption Cross section. typedef void . ... Calculates the equilibrium temperature given the absorption cross section and a radiation field. double . ... Calculates the absortion cross section of a species/size of dust grain . ... The grain absorption cross section . ... The absorption cross section of the grain . ... Calculates the equilibrium emission at wavelength lambda from a (large) grain at temperature T and with absorption cross section xsection. double dust_EquiT . ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/devman/dust/dustiface_8h.html -- 30.7 Кб -- 11.07.2008
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