This collage shows images of six different galaxy clusters taken with NASA's Hubble Space Telescope and Chandra X-ray Observatory. The clusters were observed in a study of how dark matter in clusters of galaxies behaves when the clusters collide. ... Using visible-light images from Hubble, the team was able to map the post-collision distribution of stars and also of the dark matter (colored in blue), which was traced through its gravitational lensing effects on background light. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B5301B02D-2E76-4BA2-94D5-00176270C6CB%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B0FAD7669-7238-499F-908D-97B43B4EC2B6%7D
• ALMA makes the worldт??s first interferometric map of carbon atoms |

. Name . Last Modified . Size . Type . Parent Directory / . - . Directory . 10.2 / . 2009-Dec-06 17:59:27 . - . Directory . lighttpd/1.4.37

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. Fractal Matter Distribution . Observed fractal galaxy distribution is discuused in: . F.Sylos Labini, M.Montuori L.Pietronero, "Scale invariance of galaxy clustering" astro-ph/9711073 . The home page of "The Debate on fractal Universe"

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• Extinction properties (transmitted radiation)
• Linear polarization: wavelength dependence
• Kholtygin, Astrophysics (2000)

6-wire 6-position RJ11 (sometimes called RJ12) modular phone connectors are used to distribute RS-232 serial signals at Apache Point observatory. ... Macintosh Mini-DIN-8 to RJ11 Serial Adapter . ... Standard USOC Harmonica and patch panel wiring. Cables , specifications for cables used to connect devices with sets of ports to patch panels, and connect patch panels together. Wiring a Single RJ11 Jack , connecting a single RJ11 jack to a port on a USOC harmonica or patch panel. ...

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• RJ11 Serial Connector Basics
• Hipparcos Tycho catalog
• APO - narrow band filters

... SHORT TERM PREDICTION OF POWER SOLAR FLARES FROM SSRT DATA . The algorithm for short term prediction of powerful solar flares, based on SSRT data, includes microwave emission characteristics in total and polarized flux, the structure of active region (AR) magnetic field at the photospheric level, and H a patrol data. ... During this period, 7 AR's crossed the solar disk, in which 20 flares of importance ? ... Data on AR's and magnetic fields were received from the Sayan observatory by teletype. ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The on-line prediction procedure is based on the Newton interpolation formulae for a uniform distribution of the variable with first, second and third argument powers restrictions (Kurkin V.I. , Polekh N.M., Tchistyakova L.V. MAF operative prognosis for oblique ionosphere sounding// Issledovaniya po geomagnrtismu, aeronomii i phisike Solntsa. ... Prediction MUF calculation for the next 15 minutes; . ...

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• East Siberian Center for the Earth's Ionosphere Research. Incoherent scatter
• Index of /esceir/wwwb

... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...

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• Products

. Red histogram is 2dF QSO Redshift Survey . Blue histogram is Durham/AAT QSO Survey . | Front page | . | << - Number Counts | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

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ATM Forum Message . Forums: . ... Post . ... Resolution . Forum List | ... Post Message | ... Posted by Rick Crockett on April 25, 2007 08:46:54 UTC . ... resolution - aschilli - April 30, 2007 - 00:08 UTC . Indoor resolution - rick_crockett - June 2, 2007 - 07:04 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on 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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• Resolution - an Astronomy Net Astrophotography Forum Message
• Measuring Resolution - an Astronomy Net ATM Forum Message
• Indoor Resolution - an Astronomy Net ATM Forum Message

... The main field of my investigations is stellar spectrophotometry. As a result of scientific activity of our group spectrophotometric catalog was created including energy distribution data on 900 stars in the range 3200-7600AA and 250 stars in the range 6000-10800AA (Voloshina et al., Spectrophotometry of Bright Stars, ed. I.N.Glushneva, 1982, Moscow, Nauka, in Russian). ...

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• Eugene Trunkovsky

... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

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• Index
• The Structure and Composition of High Redshift Radio Galaxies
• ASNCOMBINE (Nov98) --- nictools --- ASNCOMBINE (Nov98)

... AO-4 . The space VLBI Mission RadioAstron, led by the Astro Space Center (ASC) of Lebedev Physical Institute, provides a range of specific and unique capabilities for detecting and imaging sources of cosmic radio emission at the highest angular resolution. ... AO-4 observations will be performed between July 2016 and June 2017 inclusive. ... The RadioAstron Announcement of Opportunity - 4; . The RadioAstron User's Handbook ; . ... RadioAstron observations status summary . ...

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• Description of the RadioAstron project, english version
• Help for xxx E-Print Archive (index)
• OPTIMIZATION OF THE MOON PERTURBED ORBIT.

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Flights Chronology . ... Acquiring new scientific information about the role of the right and the left heart in adaptation of the blood circulation system to long-term space flight conditions. ... Investigation of relations between hemodynamic and energetic characteristics of the heart in different phases of a long-term space flight. ... Data carrier "Cardiovector - Data". ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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Instrument . ... Scanning TV-sensor with on-board data recording system for global coverage mode . ... recording, direct transmission . ... IR-radiometer for global coverage and direct data transmission modes . ... The scientific instrument package onboard the Meteor-3 spacecraft provides for regular instant acquisition of images of cloudiness and Earth surface in visible and infra-red bands, data on air temperature and humidity, sea surface temperature and clouds temperature. ...

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... After hearing and discussing Rocket-Space Corporation Energy General Designer U.P.Semevov's report on the fulfilling the flight program of the orbital complex Mir and proposals on its further exploitation, the Council draws attention to: . ... According to the Russian Government Resolution No. 76 of January 21, 1999 a large amount of work to find and attract Russian and foreign investments to provide the further exploitation of the orbital station Mir was carried out. ...

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• Russian Federation Government. Resolution No. 76 of January 21, 1999

... Solar Space Experiments in LPI . ... The main goal of the TESIS is to provide complex observations of solar active phenomena from the transition region to the inner and outer solar corona with high spatial, spectral and temporal resolution in the EUV and Soft X-ray spectral bands. ... Solar EUV Coronagraph (SEC), based on the Ritchey-Chretien scheme, to observe the inner and outer solar corona from 0.2 to 4 solar radii in spectral band 290-320 A . ... 2 arc. sec./pix . ... Backside-CCD 2048*2048 pix...

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Download Izmccd (~2.7 MB). ... a) a choice of the best mode of measurements of stars and objects ("Properties/Measurement"), . b) a choice of reference stars. ... 1) necessity of presence on an image of a plenty of stars (we recommend to apply this mode, if on the frame of reference stars is more 100) . ... Sx and Sy depend from residuals at all reference stars (reference stars are marked by blue color). ... These residuals are the image of the star a minus function of a profile for each pixel. ...

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... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 4­5 Gyr than in the sparse ones. ...

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• http://sn.sai.msu.ru/~sil/preprints/203546.ps.gz
• http://sn.sai.msu.ru/~sil/preprints/pazh4036.pdf.gz
• http://sn.sai.msu.ru/~sil/preprints/counter.pdf

... 18941904; Bespalov P.A. Effective saturation of absorption in a plasma magnetospheric maser. In book: Nonlinear Space Plasma Physics, R.Z. Sagdeev -Editor-in-Chief, American Institute of Physics, 1993, p.339-346]. Magnetospheric plasma maser [Bespalov P.A, Trakhtengerts V.Yu., ... In a magnetospheric plasma maser (MPM) the relatively dense magnetised plasma and the conjugate ends of a magnetic trap form a quasioptical resonator for electromagnetic waves. ...

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• http://solarwind.cosmos.ru/txt/2011/presentations/Sun/Ishkov/apj_691_2_1222.pdf

MAJOR MAGNETIC STORMS 1932-1997 ACCORDING TO THE Ap* CRITERIA To view a plot of the number of magnetic storms v.s. sunspots, go to ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/APSTAR/magstorm.gif A simpler global index of magnetic activity (other than Kp or Km) is produced in France from the K indices of two nearly antipodal magnetic observatories in England and Australia. ... An AA* index has been derived that is the counterpart of Ap* but is available for the longer span of years. ...

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• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/fb Es
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/Type...
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/fo E