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1. 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. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/observing/etc/doc/helpcalvin.htm -- 13.1 Кб -- 10.04.2016
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2. 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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3. 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) . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/ftp/instrument_news/FOS/fosbl_wcorr -- 4.9 Кб -- 12.05.2000
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4. World Coordinate Systems (WCS) in FITS
The FITS "World Coordinate System" (WCS) standard defines keywords and usage that provide for the description of astronomical coordinate systems in a FITS image header. ... I: "Representations of world coordinates in FITS" , Greisen, E.W. & Calabretta, M.R. (2002), Astronomy & Astrophysics , 395 , 1061-1075. ... This diagram illustrating Bonne's projection with conformal latitude +35 was produced by WCSLIB , a C implementation of the coordinate transformations defined in the FITS WCS papers. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Mark.Calabretta/WCS/index.html -- 14.0 Кб -- 10.04.2016
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5. Echelle Spectra
Next: Echelle Reduction Method Up: No Title Previous: Example . This Chapter provides the basic information necessary to understand the echelle љ package implemented in MIDAS . ... Tutorial examples are available in the system (command TUTORIAL/ECHELLE ) and are also included in the Appendix so that users without previous experience in MIDAS could become familiar with the calibration procedures. ... Reduction steps which are not specific to echelle spectra are described in more detail in Chapter . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node146.html -- 9.1 Кб -- 23.02.1996
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6. The Arcetri Spectral Code - E.Landi and M.Landini (2001)
CHIANTI - an atomic database for emission lines. ... K.P.Dere, E.Landi, H.E.Mason, B.C.Monsignori-Fossi, P.R.Young, 1997, A , 125, 149 . Article: Available from ADS . The Arcetri Spectral Code for thin plasmas . E.Landi M.Landini 1998, A , 133, 1 . ... E.Landi, M.Landini K.P.Dere, P.R.Young, H.E.Mason, 1999, A , 135, 339 . ... K.P.Dere, E.Landi, P.R.Young, G.Del Zanna, 2001, ApJS, 134, 331 . ... G.Del Zanna, B.J.I.Bromage, E.Landi, M.Landini, 2001, A , 379, 708 . ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/science/spettro/articoli -- 8.7 Кб -- 15.03.2002
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7. Events on January 10-11, 1997 - INTERBALL observations
The large magnetic cloud caused by coronal mass ejection at the Sun on January 6, 1997 came to the Earth at early morning on January 10 and continue to interact with Earth's magnetosphere till January 11 (see for example home page of this event prepeared by Dr. M.Peredo http://www-istp.gsfc.nasa.gov/istp/cloud_jan97/event.html ). ... During the days discussed here INTERBALL-1 satellite was in the magnetosphere (MS) near its dusk flunk - see the Fig. 1 for compearing. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/tail/results/mpcros/index.html -- 8.9 Кб -- 14.02.1997
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/tail/results/mpcros/index.html -- 8.9 Кб -- 14.02.1997
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8. 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). ...
[ Сохраненная копия ]  Ссылки http://ocl.sai.msu.ru/description/ -- 5.9 Кб -- 09.04.2016
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9. MILT Description
... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/eng.papers/milt/description.html -- 8.3 Кб -- 13.12.1993
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10. 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. ...
[ Сохраненная копия ]  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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11. 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. ...
[ Сохраненная копия ]  Ссылки http://www.vista.ac.uk/observing/etc/index.html -- 15.1 Кб -- 28.03.2013
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12. List of currently available KP AZ.
Orbital data : INTERBALL AZ GSE and GSM cartesian coordinates, GSE cartesian velocity (once per 10 minutes). ... Magnetic field data from IMAP experiment. Magnetic fileld absolute value and magnetic field index (the difference between absolute value and model value), status flag. ... Counts of H+ and O+ ions are accumulated during one spin period by detectors D6 (antisunward looking), D8 (spin plane), D10 (sunward looking) of TRICS2 subsystem (1.0-30 keV). ... TRICS1, TRICS2, TRICS3 subsystems: . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/ibelova/az_key.htm -- 14.8 Кб -- 12.05.1999
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13. 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. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/gsaoi/description/index.shtml -- 9.5 Кб -- 01.10.2012
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14. Arecibo Planetary Radar
Radar Astronomy Group . ... This instrument will enable the Observatory to detect asteroids over a very much wider radial range than with the old 420 kilowatt system. ... Here are some recent images of asteroids obtained with the Arecibo Planetary Radar. ... The following data were taken by various observers using the Arecibo Observatory 12.6 cm radar. ... Chris De Vries wrote a description of how to reduce planetary radar data , using the 1988 Venus data taken at the Arecibo Observatory as a model. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~nolan/radar/ -- 7.6 Кб -- 24.02.2005
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15. Calibration and Performance Control for the VLT Instrumentation
Next: The ESO VLT CCD Detectors Software . ... Up: Instrument-Specific Software . ... The framework for data calibration and analysis of the VLT instrumentation is presented, based on the concepts of a calibration plan, pipeline calibration, quality control, and archiving of calibrated data for a ground-based observatory. ... Quality Control Pipeline provides quality assessment for instrument performance data and observing conditions, and tests the results of the Reduction Pipeline. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/ballesterp.html -- 9.3 Кб -- 23.06.1998
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16. Instrumentation
Beginning from the May of the 1997 we started to publish our daily solar radio observations at RATAN-600 radiotelescope. ... Periscope System: South Sector+Flat Mirror . ... It is possible to track a source by moving the secondary mirror along the arc-shaped railway tracks or to perform azimuthal 2D map synthesis . ... 1) It is possible to simultaneously carry out independent observing programs using individual sectors at various discrete azimuths and secondary mirrors on corresponding railway tracks. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/sun/complex.htm -- 30.8 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/sun/complex.htm -- 30.8 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/sun/complex.htm -- 30.8 Кб -- 24.02.2010
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17. General description of the database
It is a matter of common knowledge that in processes of genesis and evolution of many solar phenomena participate magnetic fields of sunspots. ... As a basis for formation of the database we take data on magnetic fields, collected by set of observatories during many years of observations. ... Section "Magnetic field data" contains data of magnetic field observation for separate sunspots, presented in standard text format (ASCII). ... Description of structure of these files is presented here . ...
[ Сохраненная копия ]  Ссылки http://www.gao.spb.ru/database/mfbase/info_e.html -- 5.3 Кб -- 21.05.2007
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18. http://zebu.uoregon.edu/2003/hum399/brahesum.html
... He made observations of a supernova (literally: nova= "new star") in 1572 (we now know that a supernova is an exploding star, not a new star). ... Brahe's meticulous observations showed that the supernova did not change positions with respect to the other stars (no parallax). ... This was early evidence against the immutable nature of the heavens, although Brahe did not interpret the absence of parallax for stars correctly, as we discuss below. Brahe made careful observations of a comet in 1577. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/2003/hum399/brahesum.html -- 6.7 Кб -- 07.05.2003
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19. Available Instruments
... For the XRBs which are highly variable the concurrent presence of the RXTE/ASM that continuously measures their X-ray spectral states invites a new and innovative program to harness the available information to facilitate detailed studies of individual systems as well as comparative studies between classes of systems. ... This will enable them to quickly decide which data are worth putting in effort to extract and further analyze. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~saku/AvailableInstr.html -- 3.7 Кб -- 27.02.2014
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20. Ionosonde PARUS. Instrument Description.
... Instrument Description . Software: Version 4.0 . Version 3.0:Complete Documentation . ... ИОНОЗОНД ПАРУС, разработанный в ИЗМИРАН, предназначен для диагностики ионосферы и оперативного прогноза КВ связи. ... Общая структура ИОНОЗОНДА ПАРУС, Технические Характеристики , Конструктивные параметры на настоящий момент соответствуют модификации Комплекса: ВЕРСИЯ 3.0 . ... Там же находится полное описание Комплекса ИОНОЗОНД ПАРУС: ВЕРСИЯ 3.0 . ... 2004 IONOSONDE PARUS ...
[ Сохраненная копия ]  Ссылки http://www.izmiran.rssi.ru/ionosphere/parus/InstrDescr.html -- 9.2 Кб -- 14.03.2007
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