The Variable Gamma-Ray Source 2CG 135+01 ApJ, 497:L89-L91, 1998 7 h gamma AGN variability . gamma-radio-AGN-variability ADS query . ... Model for the High-Energy Emission from Blazars 1993ApJ.. ... Possible Production of High-Energy Gamma Rays from Proton Acceleration in the Extragalactic Radio Source Markarian 501 astro-ph/9803241 K.Mannheim . ... A theoretical unifying scheme for gamma-ray bright blazars astro-ph/9807317 G. Ghisellini, A. Celotti, G. Fossati, L. Maraschi, A. Comastri . ...

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• The Radiopulsar PSRB1259-63 - a Probe in the Stellar Wind Plasma
• Science with CXO
• Sources in the LMC: comments to the Table 2

Pulkovo NEO Page . ... NEA Accuracy Estimation . ... The estimation of accuracy of the current CCD observations of asteroids and comets is constantly performed at Pulkovo Observatory. ... The (O-C) values, so called "Observed" minus "Calculated" positions, characterize numerically the observations of any observatory, both professional and amateur, during a short period (one or several close nights). ... So the (O-C) values for these objects nearly entirely define the errors of observations. ...

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• Pulkovo NEO Page: Observations
• Pulkovo NEO Page: Ephemeris Support

SKA-3 instrument consists of two energy-angle ( EA ) electrostatic analyzers and two energy-mass ( EM ) time-of-flight analyzers. ... Here you can find more details about SKA-3 instrumentation set. ... Case 218 . ... satellite's trajectory in geomagnetic frame ( blue coloured), UFSIPS scan location and observation moment ( red coloured), interval of the SKA-3 observations ( green coloured) . ... a view of the Nothern polar region at the moment of UFSIPS observations, the scan location is red coloured. ...

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• Two points (INTERBALL-1 and MAGION-4) observations of magnetopause motion
• Events on January 10-11, 1997 - INTERBALL observations
• Interball Workshop Posters

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... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...

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• Multiwavelength Study of Mira Ceti-Type Variable Stars
• Our observations: 95.10.23
• Our observations: 951024

SPECTRA OF SPLIT COMET C/1999 S4 (LINEAR) K. I. CHURYUMOV1 , I. V. LUK'YANYK1 , V. V. VLASSYUK2 and N. V. BORISOV 1 Astronomical Observatory, Kyiv National Shevchenko University, Kyiv, Ukraine; 2 Special 2 Astrophysical Observatory of RAS, Russia (Received 5 March 2002; Accepted 12 July 2002) Abstract. ... On July 22/23, before the splitting of the cometary nucleus, several emission lines, such as C2 , C3 , CN, NH, CH, NH2 , CO+ , H2 O+ were clearly identified in the spectra. ... 2, 2000. ...

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• Project summary
• Kholtygin et al., "iota Her", AZh (2006)
• Kholtygin et al., PAZH (2003)

... Keck spectropolarimetry, giving spectral coverage from Ly- to beyond CIII], and HST imaging of a sample of powerful radio galaxies with has been obtained. ... This is a short progress report on a rather extensive programme we are carrying out to study the structure and composition of high redshift radio galaxies (HzRG) -- and, by implication, the host galaxies of radio quasars -- using observations in the optical, IR and mm bands. ... An example of the NICMOS and WFPC 2 imaging is shown in Figure 2 ...

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• Unusual Emission near a Compact Source in Orion
• Index
• NICMOS Science

... This class is designed to be an up to date summary of the last 10-20 years of observations relevant to Cosmology. ... Theory today is bombarded by a vast array of observational data but there remains no clear and preferred model for the origin and evolution of structure in the Universe. ... The inflationary paradigm and the nature of the Dark Matter - Inflation solves a lot of problems that are inherent in the standard Big Bang Model. ... Kinds of Dark Matter and Observational Constraints . ...

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• THE HUBBLE LAW JAVA APPLET
• Thermal History of the Universe
• Astro-2 and the UIT Experiment

... The general term for these waves is "Electromagnetic Waves". ... ASTR1001 Wavelengths · Electromagnetic waves, while all travelling at the same speed, can have different wavelengths (the distance between the crest of one wave and the next). ... Red Light: Wavelength 700nm Green Light: Wavelength 550nm Blue Light: Wavelength 400nm Ultra-Violet Light: Wavelength 300nm ASTR1001 The Electromagnetic Spectrum · Electromagnetic waves can have any wavelengths at all: anywhere from picometres to light-years....

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• Dopita Papers
• Index of /~bessell/FTP/Wehrse
• ...for the most difficult/finickity/unbelievable recorded/verified observation

THE THERMAL RADIATION OF THE LUNAR SURFACE IN THE IR RANGE OF THE SPECTRUM (10-12 µm). ... 0.80 0.60 0.40 0.20 0.00 -0.20 -0.40 -0.60 -0.80 -0.80 -0.60 -0.40 -0.20 0.00 0.20 0.40 0.60 0.80 Fig.1 0.80 0.60 0.40 0.20 0.00 -0.20 -0.40 -0.60 -0.80 -0.80 -0.60 -0.40 -0.20 0.00 0.20 0.40 0.60 0.80 Fig.2 0.60 0.40 0.20 -0.00 -0.20 -0.40 -0.60 -0.60 -0.40 -0.20 -0.00 0.20 0.40 0.60 0.80 Fig.3 Indicatrix of the thermal radiation of the Moon (10.5-12.5 µ). ...

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• http://selena.sai.msu.ru/Ber/Publications/lp-moon.pdf
• http://selena.sai.msu.ru/Kozl/Publications/EPSC2012-52.pdf
• http://selena.sai.msu.ru/Bus/Publications/m44_14_busarev_etal.pdf

... Correlation analysis applied to recordings of the magnetic field and velocity of the Sun as a star reveals oscillations close to 300 s. The power spectrum of these oscillations is discussed. ... The power spectrum for the magnetic field has a wide maximum in the interval 580-200 s with peak at 390 s. The maxima of the power spectrum for the radial velocities correspond to 50 and 80 s. The curves for the second period of observation, May 20th, are presented in Figure 3. ...

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• ON THE STRUCTURE OF 3.11.94 ECLIPSE CORONA
• The 14 July 2000 meter-wavelength dynamic radio spectrum
• CMEs and Space Weather

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . Dept. for Space Plasma Physics . ... Solar telescopes . ... 2016,MNRAS, 2016MNRAS.tmp.. ... 2016,MNRAS, Vol.455 ,is.1,p.357-369. ... 2016,MNRAS, Vol.456 ,is.1,p.181-191. ... WASP- 22, WASP-41, WASP- 42 and WASP- 55. ... 2016,MNRAS, Vol.456 ,Is.1,p.990-1002. ... Observations . ... In 2002 regulary observations of comets with using of CCD camera S1C started at Andrushivka Astronomical Observatory, near Zhytomyr. ...

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• Sergiy Borysenko
• Achievements - Page 4
• Activity - Page 2

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Black Matter . Forum List | ... Post Message | ... Black Matter is composed of all of the light emissions from all of the stars in the universe since stars were first formed, less that amount of light that has been absorbed into stars, planets etc. ... 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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• Observations Of Mars - an Astronomy Net Observation_reports Forum Message
• Observation Report 03/15/03 From Coyle Field - an Astronomy Net
• A Sensational Discovery - an Astronomy Net Observation_reports Forum Message

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

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... They were determined as a result of orbit improving on the base of all kinds of optical observations available in the catalog of observations of the Minor Planet Center on March 16, 2014 (radar observations have not been used at this stage). ... As the MPC orbits do not all were improved simultaneously with EMP orbits, only 383866 sets of elements were used for data comparison (for selected sets of elements process of improvement had started with the use of the same observations). ...

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• AY (contents)
• AY2016 (contents)
• AY2008 (contents)

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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• astro-ph abstracts (body) search for 'steep spectrum ' all years (1992-2001)
• Practicum (L.N.Makarova) for Summer School for Observation and theoretical
• FADPS - Flexible Astronomical Data Processing System

. MASTER II robotic telescope at Kislovodsk . MASTER VWF cameras composed 1 sec exposition images (60 coaded images from two cameras) started from 64 sec after trigger time. Rectangles are the bad pixels. Rectangle is the results of the IPN triangulation (Hurley et al., GCN 11595) Two circles are the Fermi LAT errobox (3 sigma and 1 sigma correspondingly)

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• MASTER GLOBAL ROBOTIC TELESCOPES NET
• MASTER-Net Science Release on prompt optical observation of the GRB 090424
• Обсерватория

PENTICTON SOLAR RADIO FLUX VALUES (from SGD Explanation of Data Reports) Daily Solar Flux Values - Penticton -- Daily measurements of the integrated emission from the solar disc at 2800MHz (10.7cm wavelength) have been made by the National Research Council of Canada since 1947. ... The data are tabulated in two forms: the "observed flux" (S), and the "adjusted flux" (Sa). ... The "observed flux" values are useful in ionospheric physics and other terrestrial consequences of solar activity. ...

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• http://www.wdcb.ru/stp/data/cat6CDR/SUN%20data
• http://www.wdcb.ru/stp/data/catal_Mirny/Catal_Mirny_Eng.doc
• http://www.wdcb.ru/stp/data/cat6CDR/Spacecraft%20STP%20Data

... kupry@sai.msu.ru also kupry@asu.cas.cz . ... Solar expeditions. Astronomical Institute Czech Republic Examples IDL procedures Evpatoria Space Image Evpatoria Winter 2012 European Solar Physics Meeting Digital Images Album IDL Lib Karlovy Vary, 2008 List of publications Masha MAX MILLENNIUM PROGRAM My family (new) HSFA-2, 2005 Ondrejov (brezen 2005 ) Ondrejov webcam Photo Ondrejov observatory Praha SatTV Seznam SOHO Solar eclipse 31 July 1981 Software IDL programmes ...

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• Maidanak Lab page
• IMCCE-SAI: Natural Satellites Data Center. Observations
• Natural Satellites Service. Observations

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

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• Comet Observation Home Page (Chernogolovka)
• V International Astronomy Olympiad, Problems to solve (in English)