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1. SCORPIO-2 project: filters
... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lsfvo/devices/scorpio-2/filters_eng.html -- 11.5 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lsfvo/devices/scorpio-2/filters_eng.html -- 11.5 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lsfvo/devices/scorpio-2/filters_eng.html -- 11.5 Кб -- 10.04.2016
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2. http://www.stsci.edu/hst/HST_overview/documents/multidrizzle/ch52.html
... The software was originally developed as a set of Fortran routines which were available both as stand-alone executables and as IRAF tasks in the Dither package. ... This set of code formed the basis for a more automated task for aligning images to produce distortion-corrected images; namely, the Python task PyDrizzle (Section 5.3) . Finally, all the steps required to identify cosmic rays using the aligned images produced by PyDrizzle were automated in the Python task MultiDrizzle (Section 5.4) . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/HST_overview/documents/multidrizzle/ch52.html -- 10.5 Кб -- 05.02.2013
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3. Digital Filters
... This noise can be reduced by replacing the pixels with an average of the surrounding values using a linear filter. ... The effects of applying linear filters to a CCD frame is shown in Figure . Figure: Different digital filters applied on a CCD image: (A) original, (B) block filter, (C) smooth filter, and (D) Laplacian filter. ... To remove stellar images from a picture of comet Halley, the results of applying different non--linear filters to the frame are given in Figure . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node21.html -- 7.8 Кб -- 23.02.1996
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4. Arecibo Observatory L-Wide Band Receiver
... L-Wide . ... Receiver History . ... Available Filters: . ... Use with e.g. filter 5) NOTE 2 1120-1220 3 1230-1470 4 1550-1820 5 1100-1800 6 1360-1470 7 1320 hipass NOTE 8 1180-1280 9 1280 hipass (ext Output unit. ... Consequently, the calibration for data collected using the hipass 1320 and the hipass 1370 filters only will be mis-calibrated (i.e. by using the opposite polarisation calibration data). ... It is now possible to select any bandpass filter that is not in the 1320 hipass band. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~astro/RXstatus/Lwide/Lwide.shtml -- 22.8 Кб -- 03.02.2013
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5. ESO - Newsletter December 2015
... ESO Science Newsletter December 2015 . 17 Dec 2015 . ... This newsletter is a summary of recent ESO Science Announcement items. Follow the links or visit ESO Science Announcements to read more. ... Read more . ... The allocation of ESO telescope time for Period 97 (1 April БЂ“ 30 September 2016) is expected to be emailed in the week beginning 21 December 2015. ... ESO Workshop, ESO Headquarters, Garching, Germany, 27 June БЂ“ 1 July, 2016 . ... Joint ESO, ALMA, NAOJ, NRAO Workshop. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/publications/newsletter/dec2015.html -- 34.8 Кб -- 10.04.2016
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6. Original Xiaomi Mi Position Activated Carbon Filter Кардиган длинный
... Original Xiaomi Mi Position Activated Carbon Filter . Brand: Xiaomi . ... Package Contents: 1 x Original Xiaomi Mi Position Activated Carbon Filter . Цвет: узор черный/экрю . ... Цвет: серебристый . ... Цвет: серый . ... Пол: Женский . ... Цвет: Синий . ... Пол: Для девочки . ... Джинсовая куртка темно-синего цвета марки MAYORAL для девочек. ... Цвет: белый . ... Цвет: Черный . ... Пол: Мужской . ...
[ Сохраненная копия ]  Ссылки http://astrokuban.info/astroku6533.html -- 25.4 Кб -- 14.02.2016
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7. LonGSp: Available Filters
. Position . Logical Name . Description . 0 . D . Stop . 948 . J . Standard Filter J (1.12-1.40?m) . 1896 . SJF . BandPass Filter (0.91-1.12?m) . 2844 . F1 . Hole . 3792 . EPS . LongPass Filter (1.65-2.55?m) . 4740 . H . Standard Filter H (1.48-1.82?m) . 5688 . FHK . BandPass Filter (1.76-2.12?m) . 6636 . K . Standard Filter K (2.00-2.41?m) .
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/instr/longsp/doc/filter.html -- 2.8 Кб -- 16.02.2000
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8. Meade Series 4000 Photo-Visual Color Filters
... Series 4000 filters thread into the barrels of virtually all 1.25" eyepiece brands. Meade Series 4000 filters are a large 26mm in clear aperture and are manufactured from the purest crown optical glass, dyed-in-the-mass ( not "color coated"); there are no finer filters available for telescopic applications. ... For visual applications Series 4000 filters thread into the barrels of all Meade 1.25" eyepieces, and into the barrels of virtually all other 1.25" eyepiece brands as well. ... Meade 4M | ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/catalog/meade_4000/meade_series_4000_filters_01.htm -- 14.7 Кб -- 06.10.2007
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9. Stage Three: ``filter''
... The third processing stage filters the combined event list to produce the filtered event list, which contains the collection of node-specific exposure maps. ... Combining the event filtering with exposure map construction in one step assures mutual consistency. ... If the original combined event list is missing (as, for example, in the PPS) the original filtered event list is acceptable as a substitute if no changes have been made to the original attitude and housekeeping GTI. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/rgsproc/node19.html -- 6.4 Кб -- 15.11.2007
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10. Astrophysics Group Available research projects/areas
... Astrophysics Group . Graduate Research Opportunities 2016 . Available research projects/areas . ... Astrophysics Admissions Form . ... This includes active participation in the development of new instruments as well as the use of ground and space observatories. ... Further details are available at the following web site: http://www.mrao.cam.ac.uk/research/extragalactic-group-2/ . ... Our research group has a wide range of expertise in the development of receivers for radio astronomy. ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/admissions/available-research-projectsareas/ -- 17.8 Кб -- 10.04.2016
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11. Infrared Data
Next: Spectroscopic Data Up: Calculation of Extinction Previous: Calculation of Extinction . Near--infrared observations were made on 5--6 February 1996 at CTIO using the CIRIM imager. ... In the infrared, the sky background is high relative to the dynamic range of the detector. ... As the first step in the reduction, all frames had a linearity correction applied (Elston 1994). ... In some cases, the dithering procedure caused stars to overlap with other stars on the final frame. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~swolk/thesis/optical/node6.html -- 5.6 Кб -- 02.10.2012
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12. Improvements in Filter Design for Removing Galactic ``Cirrus'' from IRAS Images
... Next: Star Finding and Up: Image Restoration and Previous: Multiresolution and Astronomical . ... Design improvements continue to be made in the filter developed using mathematical morphology principles for the Infrared Astronomical Satellite ( IRAS ) images. The purpose of this filter is to eliminate Galactic cirrus emission from extragalactic fields. ... With an appropriate normalization, the filter curve was applied to each pixel in the image to remove the Galactic cirrus. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/basartj.html -- 11.6 Кб -- 03.11.2000
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13. University of Louisville Research Telescope Photo Gallery
The telescope configured for measurements of exoplanet transit light curves is seen from the north side in this May 2010 photo. Lower portions of the dome have been insulated to reduce daytime heating by radiation from the warm metal dome. ... The interior of the dome is seen soon after the encoder upgrade in February 2007. ... Karen Collins, a research astronomer specializing in exoplanets, helped with the telescope installation in August 2006. ... kielkopf at louisville dot edu . ...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/moore/rc24/rc24_gallery/index.html -- 5.3 Кб -- 11.05.2010
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14. 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 ...
[ Сохраненная копия ]  Ссылки http://www.cplire.ru/html/atm/correction.html -- 19.8 Кб -- 18.10.2011
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15. Journal "Peremennye Zvezdy"
Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Moscow 119992, Russia . ... 84/32, Moscow 117997, Russia . ... Our CCD observations compared to times of minima derived from the archival photographic plates and from the NSVS and ASAS-3 data clearly show that the orbital period of the system is variable. ... The phased light curve for the light elements . ... CCD, Moscow . ... and for the current linear light elements (in excellent agreement with the NSVS, ASAS, and our CCD observations): . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/varstars/msg/1217495 -- 18.2 Кб -- 09.11.2006
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16. ST-ECF IRAF package
... Several HST instruments both current and decommisioned have provided imaging linear polarimetry capabilities. ... The STECF IRAF layered package impol provides five tasks specifically aimed at reduction of HST imaging polarimetry data. ... Reduction of HST polarimetry data and simulation of raw polarimetry images, together with polarization vector plotting, are covered. ... For reduction of data from imaging linear polarization instruments other than from HST, the instrument name is `SPECIAL'. ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/software/IRAFtools/stecf-iraf/impol/ -- 10.3 Кб -- 09.04.2016
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17. GRB090726
... About half an hour after the BAT trigger, the first images were obtained with the SAO RAS Zeiss-1000 telescope in four BVRI filters (see Fig.1). ... The spectrum of the optical transient was obtained with the SAO RAS 6-m BTA telescope 1.54 hours after the burst, using the SCORPIO instrument in the spectroscopic mode (Fig.2). ... The spectrum of the optical transient GRB090726 with identified lines, obtained with the BTA 1.54 hours after the burst. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/GRB090726/ -- 4.8 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/GRB090726/ -- 4.8 Кб -- 02.10.2012
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18. Observatory to lead European Collaboration
Armagh Observatory, 23rd August 2001. Armagh astronomers have joined colleagues in Armenia, France and Russia in a new effort to understand the stars. ... We will be investigating the properties of these exotic environments, where the simplest molecules are formed and destroyed and where planets and stars are created" , states astronomer Dr Michael Smith of Armagh Observatory, who is coordinating the project. ... Michael Smith; Armagh Observatory , N. Ireland . ... email: mds@star.arm.ac.uk ) . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/press/Armagh-Leads-European-Collaboration.html -- 7.3 Кб -- 24.08.2001
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19. http://www.atnf.csiro.au/research/electronics/docs/dfc/DFCHandout.pdf
A 2GHz Digital Filterbank Correlator Dick Ferris, CSIRO ATNF, John Bunton, CSIRO Telecommunications & Industrial Physics, & Bruno Stuber, Fachhochschule Solothurn Nordwestschweiz Abstract The combination of traditional polyphase filter architecture with a new multiplier-rich FPGA family provides the means to build wideband (GHz), flexible and high dynamic range filterbanks and FX correlators using a small number of commodity ICs. ... This is exactly the bottom channel of the DFT.) ...
[ Текст ]  Ссылки http://www.atnf.csiro.au/research/electronics/docs/dfc/DFCHandout.pdf -- 152.9 Кб -- 15.08.2001
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20. Remote telescopes
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[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/~dmbiz/Lrobot.html -- 2.4 Кб -- 22.02.2003
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