... 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 . ...

SET OF MAGNETIC AND ELECTRIC FIELD DETECTORS EXO-EM . ... 3 components measurements of both magnetic and electric fields; . ... wide frequency range (0 - 10000) Hz; . ... ECHO-EM is intended for measurement of a complete vector and three components of both electric and magnetic fields, and transfers the received data to the block of the processing of the information and also in telemetry. ... digital 0.1-20 Hz; . ... frequency band (0.01- 10000) Hz; . ... digital (500 - 1000) Hz; . ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Listed Since July 15, 1998 . ... 775) 246-5281 . ... 775) 246-5211 . Web Site . ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

... The hot component shows very spectacular activity: irregular outbursts accompanied by fast, massive outflows and jets. ... Diffraction-limited images for both components of CH Cyg binary system were reconstructed using visible speckle interferometry at BTA 6-m telescope (Fig.1). The orbital period 15.6 years and masses: 2.0 Msun and 0.7 Msun for red giant and white dwarf, respectively were derived from angular distance (0.042") and magnitude difference (2 m ) of the components. ... Fig.1. ...

... It includes level converters and a optional radio modem designed to decode the radio timecode signals transmitted by the Canadian time and frequency station CHU. A complete set of schematics, PCB artwork, drill templates is in the pub/ntp/gadget.tar.Z file on ftp.udel.edu. ... One of these converts a TTL positive edge into a fixed- width pulse at EIA levels and is for use with a timecode receiver or oscillator including a TTL PPS output. ... See the schematic diagram gadget.s01 for reference. ...

Progenitors and remnants of red novae V838 Mon and V4332 Sgr Special Astrophysical Observatory Elena Barsukova Special Astrophysical Observatory (Russia) In collaboration with Goranskij Vitaly ... Moscow University); Kroll Peter (Sonneberg Observatory, Germany); Valeev Azamat (Special Astrophysical Observatory (Russia) The light curve of V838 Mon in the outburst from January to May 2002 ... The B star disappeared. ... Spectra of V4332 Sgr (top) and V838 Mon (bottom) in 2007. ...

The idea of component-oriented programming is that in the course of implementation of various software projects a programmer (or a programmers team) accumulates a library of reused software fragments that are used in different projects. ... To solve such problems there are some special syntax means in Actor Prolog that support component-oriented programming. ... A package in Actor Prolog is a set of classes linked by implication. ... Actor Prolog supports visual component-oriented programming. ...

This Directory contains mean hour values of geomagnetic field components at observatories in Russia and other repub- lic of Former Soviet Union (FSU). The List of these observatories has indication of Data Years. ... Files are prepared in the DOS format. The Format for mean values follows after this list of the geomagnetic observatories. ... 21-116 24I4 24 4-digit hourly mean values for the day. ... If any of the hourly mean values for the day are missing 9999 will appear as the daily mean. ...

... Zeeman effect in spectral lines can alter stellar lines even if the stellar lines are not split-- For greatest detection sensitivity we need to obtain polarised spectra Need a combination of polarisation analyser (polarimeter) with spectrograph = spectropolarimeter Leverhulme Lectures on Stellar Magnetism 23/02/09 Polarimeters Simplest polarimeter is a device that rejects one sense of polarisation ( ... Measure the intensity of the beam thorough two perfect circular polarisers. ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

... Tpram - time of the PRAM instrument (aquisition computer) . ... Bx - DC magnetic field with a fixed amplitude calibration; X component . ... The color lines present FFT from the AC magnetic field (Waveform); Bwx, Bwy, Bwz - from the bottom. ...

Peremennye Zvezdy", . ... Star Name: . GSC 3710-00312, USNO-A2.0 1425-04252279 . ... Variability type: . ... USNO-A2.0 1425-04252279 is located at the distance of 15?.7 from the X-ray source 1RXS J031707.9+572942, which is larger than the position error of the source (12?), but its hardness ratio HR1 = 0.03 0.29, typical of chromospherically active stars, and its character of variability allow us to assume that the star is related to the X-ray source. ... Eclipsing variability . Sine wave 1 . ...

... Pre-university education . ... Samara region . ... University at a glance . ... A group of young scientists of Samara University under the guidance of the candidate of chemical sciences Yevgeniy Aleksandrov began to make the most extensive database in the world for the structure and physical properties of crystalline coordination polymers. ... The idea of making a database for coordination polymers already exists in the scientific community of the world. ... SAMARA STATE AEROSPACE UNIVERSITY . ...

... Bondarko M.V., Vostokov S.V, Zhukov I.B., Additive Galois modules in complete discrete valuation elds// Algebra and Analysis, 1997, issue 4, 2846. ... Bondarko M.V., Vostokov S.V, Isomorphism of ideals regarded as Galois modules of complete discrete valuation elds with residue eld of positive characteristics // Trudy St. Peterburgskogo Matematicheskogo Obsh'estva, vol. 6, 2000, 4251, translation in Amer. ... Bondarko M.V., Z[ p ]-motivic resolution of singularities// Compositio Math., vol. 147, iss....

... This method is called once when the filter is loaded. ... This method should return a flag word that specifies the filters capabilities. ... With CONVERT_TO_FLOAT, the filter is called with the image data converted to a FloatProcessor (3 times per image for RGB images). ImageJ will lock the image before calling this method and unlock it when the filter is finished. For PlugInFilters specifying the NO_IMAGE_REQUIRED flag and not the DONE flag, run(ip) is called once with the argument null . ...

... Velocity allipcoid parameters as functions of heigt above the Galactic disk for the complete sample of F -stars (left) and a young ( t 3 Gyr) metal-rich ( [Fe/H] -0.13 ) group (reght). ... next figure | previous figure . ...

On the multifunctional orbital piloted complex Mir Russian Federation Government resolves: . To accept Russian Space Agency and Korolev Rocket- Space Corporation Energy's proposal to continue the exploitation of the multifunctional orbital piloted complex Mir (further - complex Mir) in 1999-2002. ... Russian Space Agency is to provide coordination and checking over carrying out the work determined by this Resolution. Russian Federation Government . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

Stellarium 0.12.3 . ... Classes . ... ClassљList . ClassљIndex . ClassљHierarchy . ClassљMembers . TextureParams Member List . This is the complete list of members for TextureParams , including all inherited members. autoGenerateMipmaps . TextureParams . filtering (const TextureFiltering filtering) . ... inline . ... wrap (const TextureWrap wrap) . ... Generated on Sat Aug 10 2013 17:12:45 for Stellarium by љ 1.8.3.1 ...

RTT150 . Russian-Turkish 1.5-m Telescope . ... Until 2002 observations were mostly performed with ST-8E CCD in the 1:7.7 Cassegrain focus. ... In April, 2003 telescope was equipped with a larger-size CCD Andor DW436 . ... 2048 x 2048 pixels, . ... Since summer of 2002 the main focal detector of the RTT150 telescope was AP47p CCD in 1:7.7 Cassegrain focus. ... During September 3-13, 2002 works on installation of new autoguiding system ( photo 1 ) were carried out on RTT150 telescope. ...