... the average spectra was computed for each band. the rms/mean by channel was computed for each band. ... The rfi mask was used to compute the total power for each band. ... interim correlator 9 level sampling, 1 second spectra, 25 Mhz bw, 1024, centered at 1385. take data for 4200 seconds. rms/mean computed over the 4200 seconds and then a mask was created using a linear fit to rms/mean. total power was computed using the above mask. the spectrum of the total power was also computed. ...

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... Comprehensive source-flagging was introduced into SAS 6.5 in 2005, and things can occasionally go wrong- when problems are found the cause is identified and improvements made. ... Here is a list of known shortcomings/problems- . ... Smoke ring - Occasionally one or more sources may clearly to be seen to be near or within a smoke-ring, but not flagged. ... Source lies near to a bright source - Occasionally a source near to a bright source may not be flagged, when you expect it to be. ...

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... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I see unexpected boxy emission-like features in my REDL spectra - where do they come from? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... The pipeline by default interpolates across the bad columns in the REDL CCD when it creates the master bias, but does not so when it processes the science data. This inconsistency can create boxy emission-like features as seen in the figure below. ...

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... Apache HTTP Server Version 2.4 . ... This Multi-Processing Module (MPM) implements a non-threaded, pre-forking web server. ... Apache httpd always tries to maintain several spare or idle server processes, which stand ready to serve incoming requests. ... Maximum number of idle child server processes . ... The MaxSpareServers directive sets the desired maximum number of idle child server processes. ... The MinSpareServers directive sets the desired minimum number of idle child server processes. ...

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Next: Problems of Fourier Up: Some Problems of Practical Previous: To Restore or . Photometry of restored images has two problems. First, many restorations are photometrically unfaithful, and you get the wrong answer. ... And of course there are situations where it is absolutely necessary to restore the image. ... We ran the lucy task that is in STSDAS, for the usual 80 iterations, and it gave the wrong answer; the ratio of the heights of the two peaks was wrong by about 10 or 20%. ...

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... User Guide ] Task: early Purpose: Flag data which has early/normal problems. Categories: calibration, uv analysis EARLY is a Miriad task which flags visibility data that it suspects contains early/normal problems. ... If the scatter exceeds some number of sigmas, then the data are assumed to be affected by the early/normal problem, and the entire record is flagged. ... If the signal is noise dominated, no early/normal problems can be detected, and the data will not be flagged. ...

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... At 13:30 pm March 2 stars were acquired with the WUPPE detector and the focussing process had begun . ... The galaxy below, UGC 6151, is in the center of the field. ... In addition, the active galaxies NGC 4151 and NGC 1068 were done. ... Later in the day HUT made observations of Jupiter, the interacting galaxy pair NGC 6090 and the UV bright galaxy- Markarian 3. ... HUT acquired additional spectra of NGC 4151, a new spectra of NGC 4631, more data on the Cygnus Loop and a new spectra of MKN 421. ...

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Astronomy Discussion Forums . ... I Expected More Sense Than That. ... Post Message | ... Posted by Richard D. Stafford, Ph.D. on November 8, 2002 04:14:05 UTC . ... You are missing the point - harvey1 - November 8, 2002 - 13:10 UTC . I hope Stafford doesn't mind my intruding his forum - mrsouza - November 8, 2002 - 14:55 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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... ON APPLICATION OF MULTI-FREQUENCY SYNTHESIS FOR RADIOASTRON MISSION. ... The first problem for RadioAstron mission for K-band will improved with using a new LNA / probably identical to . ... For RadioAstron mission it is proposed to operate one K-band circular polarized channel at fixed frequency 22.232 GHz. ... B. One circular polarization channel operates at frequency F0 and the opposite polarization channel operates at minimal frequency F-4. ... Signal and LO frequencies. ...

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... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document discusses some of the technical details of mod_rewrite and URL matching. Internal Processing . API Phases . Ruleset Processing . ... So, after a request comes in and Apache has determined the corresponding server (or virtual server) the rewriting engine starts processing of all mod_rewrite directives from the per-server configuration in the URL-to-filename phase. ...

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... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ISS 45/46 . ... Rocket Space Complexes . ... Launches Chronology . ... Automatic Space Systems . ... HISTORY . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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Telescope Jumps: One Cause is Found . ... One tries to take out the sag of the secondary cage as the telescope is pointed toward the zenith. The second component tries to take out changes in the secondary piston caused by temperature changes of the truss structure. ... Second, the jumps only occur when the temperature data causes motions of the piston which go in a direction opposite to the direction in which the sag component is driving the secondary. ... One has to wonder how this can occur. ...

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... The French-Russian Poncelet Laboratory organizes the conference on "Random Processes, Conformal Field Theory and Integrable Systems", September 19-23, 2011, to take place in the Independent University of Moscow. ... In the last decades, the understanding of these processes has greatly benefited from the use of conformal field theory (CFT) and integrable systems (IS) which have been widely studied in the community of theoretical and mathematical physicists. ...

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... Why is the northern half of asteroid Vesta more heavily cratered than the south? ... This unexpected mystery has come to light only in the past few weeks since the robotic Dawn mission became the first spacecraft to orbit the second largest object in the asteroid belt between Mars and Jupiter. ... This sharp view from the Thermal Emission Imaging System camera on NASA's Mars Odyssey orbiter is centered on 154 kilometer (96 mile) wide Gale crater, near the martian equator. ... NGC 6188 and NGC 6164 ....

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... The RCB carbon abundance remains an enigma ([ Asplund et al. ... The strength of a stellar absorption line represents the ratio of line opacity to continuous opacity in the atmosphere; both are related to the number density of the absorbing atoms and so provide the number ratio of line absorbers to continuum absorbers. ... Since the predominant continuum absorber in RCB atmospheres is neutral carbon, it has not yet proved possible to measure the carbon abundance from carbon absorption lines. ...

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The problem of turbulence is one of the most important and challenging problem of the modern science. ... An experimental investigation of turbulent flows with special experimental setup and equipment, which allow to obtain reliable data with good precision, is very difficult and expensive process. ... The natural assumption for the theory of turbulence is that there exist some (unknown yet) general and universal properties for wide range of different turbulent flows. ...

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... Archives . ... This is a long comment on October 3, 2007 Quote of the Week , by Andrew Gelman. His ?folk theorem? ascribes computational difficulties to problems with one?s model. ... I want to raise a provocative corollary to Gelman?s folk theoreom: . ... Andrew Gelman . ... Chandra Blog . ... SAMSI AstroStat Prog. ...

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... CURRENT ASPECTS OF REMOTE SENSING OF EARTH FROM SPACE . ... For developing of the scientific concept and the programs of global monitoring of the Earth from space and pursuant to the disposal of Presidium of Russian Academy of Sciences # 10310-717 (August 11, 2004 ) Space Research Institute RAS and Center of Space Observations of the Russian Space Agency during November 16-18, 2004 conduct the Second Opened All-Russia conference ' Current Aspects of Remote ...

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... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

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... Research areas . ... Events The Second All-Russian Research and Practical Conference 'Actual problems in Avionics Research: Theory, Service, Developments' . ... The Second All-Russian Research and Practical Conference 'Actual problems in Avionics Research: Theory, Service, Developments' "(AVIATOR) will take place at the Faculty of Aviation Equipment of the Military Educational and Scientific Centre of Air Force 'Air Force Academy named after Professor N. E. Zhukovskiy and Yu. ...

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