... SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy Education Bibliography . ... Women in Astronomy . ... Light Pollution . ... Observatory Sites and the Environment . ... As human activity changes that environment, issues are raised for both astronomers and those who enjoy the fruits of their research. ... Crawford, D. Hunter, T. "The Battle Against Light Pollution" in Sky Telescope, July 1990, p. 23. ... Hendry, A. "Light Pollution: A Status Report" in Sky Telescope, June 1984, p. 504....

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The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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... The calibration of astrophysical spectra in wavelength based on calibration lamp data suffers from different kinds of uncertainties. Besides inaccuracies in the observational phase, common data reduction practice adds ``pixelation'' errors, due to the fact that the centering method does not use the correct PSF. These model mismatch errors depend, for a given feature, on the sub-pixel location of the line center (David & Verschueren, private communication). ...

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Arecibo Galaxy Environment Survey (AGES) The precursor run is finally complete. Here are some initial results that illustrate the success of the observing technique and also areas where we had problems. ... The channel range selected was the inner 3696 channels, thus avoiding the increase in noise at the edge of the bandpass. ... Each frame of the movie is an image of the observing region from each individual velocity (or frequency) channel in the datacube. ...

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Klimov,S.I., V.V.Kopeikin, V.V. Krasnosel`skikh, A.M.Natanzon, A.E.Reznikov, M.P.Gough, S.P.Kingsley, T.A.Lachlan-Cope, H.G.Muller, L.J.C.Woolliscroft. ... Space Res., (1990), v.10, No.3-4, (3)35-(3)38. Grard,R., C.Nairn, A.Pedersen, S.Klimov, S.Savin, A.Skalsky, J.G.Trotignon. ... Space Sci., (1991), vol.39, No.1/2, pp.89-98. ... Res. ... Space Res., (1991), vol.11, No.9, pp.( ... Space Res., vol.11, No.9, p.(9)15-(9)18, 1991. ... Adv. space Res., v.11, No.9, p.19-34, 1991. ...

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Next: Calibrating amplitude errors Up: Calibrate data Previous: Calibrate data Contents . ... The results will be entered in the calibrations table (strictly speaking an array of calibration entry structures), and automatically applied to the data. ... L IST List the entries . ... UNDO Remove entries and corresponding calibration . U NCAL Completely remove calibration from the selected data only. ... U NDO U NCAL will remove all calibrations for the selected data and all stars/scans. ...

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... SIXA FM ACCEPTANCE TESTS . ... In accordance to plan of the Acceptance Tests for Flight Models which was agreed in March 2000 in Moscow, the Acceptance Test of SIXA FM was carried out between 28 August and 2 September at VTT Automation, Finland. ... GOUCH for electronics box of SIXA-FM, Remark: not updated after changes made in 1994. ... Ground Test Program of SIXA-FM. ... Integration Test of SIXA FM, BIUS, ISS, DSS, and MPMI . ... Test data were written to MPMI, DSS-F, DSS-S and GSE SIXA-FM, . ...

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... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Problems posed by massive stars . ... These questions were at least part of the motivation when CУЕssio Barbosa of Brazil's University of SУ?o Paulo and Donald Figer of the Space Telescope Science Institute in Baltimore surveyed observers and theorists to see what they believed were the most pressing problems concerning massive stars. ... Get instant access to subscriber content on Astronomy.com! ...

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Contact forces are dicussed in Chapter 4 (both editions), Friction in seciton 4.8 (and not really covered much in 2nd edition). The problem solving strategy is described in the extra notes below.

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A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

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Home About Meade Product Information Dealer Locator Customer Support Investor Relations Dealer Support Employment Opportunities Site Map . Meade Instruments Corporation . ... Meade Pictor XT-Series CCD Autoguider/Imagers . ... Meade model number . ... Connect the camera . ... Screw the guiding or imaging barrel into the front of the Pictor XT. ... You can enter log information by selecting Image, then Information. ... Copyright 2006 Meade Instruments Corporation, All Rights Reserved. ...

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The original files with the data were in different formats. ... Such files were named "standard data files" and linked to the database. They can be easily transformed to any desirable format by a code. Here we present two simple computer programs of this kind. ... When running the code, you can specify columns in the output file: wavelength, energy (eV) or wavenumber (cm -1 ) as the first column, and complex refractive index or dielectric function as the second and third columns. ...

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. A tree for site navigation will open here if you enable JavaScript in your browser. HOME . ABOUT ST-ECF . CONTACT . Footprintfinder (@STSCI) . DER_SNR: a signal-to-noise ratio estimator (@STSCI) . PyMIDAS (@ESO) . PyRAF (@STScI) . AstoLib (@scipy.org) . Maintained by Richard Hook <rhook@eso.org> .

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The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

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... Hierarchy and stability 3. Stability criteria for triple systems 4. ... The results for selected systems with weak hierarchy (physical properties of components) System HD 40887 AB+CD HD 76644 AB+CD HD 217675 AB+CD HD 222326 A?+BC HD 284419 A+BC Spectral types K5V, M0V, K4V, ?? ... More accurate results for selected systems HD 217675/6 ( And) Quadruple system More accurate results for selected systems HD 217675/6 Pair B1B 2 More accurate results for selected systems HD 217675/6 (Zhuchkov et al. ...

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The Astronomy Net . ... Visited 4818 times - Selected 51 months ago . ... Visited 7900 times - Selected 52 months ago . ... Visited 6629 times - Selected 51 months ago . ... Visited 15297 times - Selected 51 months ago . ... Visited 8442 times - Selected 51 months ago . ... Visited 3806 times - Selected 51 months ago . ... The Greensboro Astronomy Club provides Greensboro and surrounding communities a source of astronomy related activities and information. http://www.greensboroastronomyclub.org/ . ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... A most promising problem is to investigate the interaction of two VHF powerful radiowave beams in the ionosphere, whose difference frequency is equal to the plasma frequency in some ionospheric area (that is, the difference frequency is taken in the range 1-8 MHz). ... Two-frequency interaction effects are based on radiowave non-linear mixing, which is rather complicated when describing and modelling the experiment. ...

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... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

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... Multi-Mission Situation Analysis Tool (MMSAT) . 27 Oct 2000 . ... Material of the IKI Seminar "Mechanics, Control, Informatics" . ... Today is the last day of the INTERBALL TAIL PROBE (IB_TAIL) ballistic life-time . ... INTERBALL TAIL PROBE (IB_TAIL) ballistic life-time and landing point prediction . ... On the INTERBALL Auroral probe post-flight orbital elements collection . 26 Oct 1999 . About INTERBALL orbital situation status during season 1999/2000 . ... IKI RAN | SSC IKI RAN | ...

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. S ayan s pectrographic . c osmic r ay c omplex . пСЯ . Eng . Irkutsk (475 meters) . Irkutsk (2000 meters) . Irkutsk (3000 meters) . Cosmic rays variation . Atmospheric pressure . Year . Month . Day . Hour . Minute . From . To . Resolution . Type of Data . 1 year 1 month 27 days 1 day 12 hours 6 hours 1 hour 15 min 10 min 5 min 1 min . Corrected for Pressure Atmospheric Pressure Uncorrected for Pressure . Old version . Links

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