... We compare our results with the GRANAT X-ray observations of the Galactic center (Churazov et al. ... It is instructive to compare our results for the Galactic center starburst with what might be expected for a continuous star formation, with the average rate characteristic for the whole Galaxy. For this continuous star formation model, we would expect to observe in the region of around the Galactic center about 10% of the total number of X-ray sources in the Galaxy. ...

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• Case A: #tex2html_wrap_inline758#
• ADS Abstract Service Results
• Population Synthesis of X-ray Sources at the Galactic Center

... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 812 . ... Abstract: The calculation of flux upper limits in the source-free ("background") regions of photon-limited images is complicated by instrumental and statistical modeling and requires non-trivial computational effort. ... The principal component in this is the time taken to pre-process and handle the 30 GB of RASS data rather than the calculation of each upper limit. ...

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• ADASS 2002 Conference Proceedings
• Heuristic Estimates of Weighted Binomial Statistics for Use in Detecting Rare
• A Method for Minimizing Background Offset Errors When Creating Mosaics

... N. Kardashev and M. Popov informed the participants on the current IOC results. ... Kovalev). ... Agenda of the RadioAstron teleconference November 16, 2011 Corrections to the Agenda 1 2 3 4 5 6 IOC status and results Single Dish observation with RA VLBA observations to find best fringe search candidates Fringe search plan Early science program plan Tracking stations outside Russia N.Kardashev N. Kardashev / M.Popov V. Kostenko E.Fomalont M.Popov Y.Y. Kovalev / M.Popov /A.Alakoz ...

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• MEMORANDUM
• RadioAstron Announcement of Opportunity - 1, english version
• Description of the RadioAstron project, english version

... 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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... 8, ``Celestial Mechanics'', 2002 Present and Future Ephemerides: Requirements and Limitations E. M. Standish Caltech/Jet Propulsion Laboratory, Pasadena, CA, USA Introduction JPL continues to develop planetary and lunar ephemerides in support of its spacecraft navigation. ... First, the question of the independent variable of the ephemerides is reviewed: JPL's long­time use of ``T eph '' vs. the IAU's newly­defined ``T CB''. ... Lastly, the plans for future ephemerides are presented. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/KISELEVA.PS
• http://www.ipa.nw.ru/conference/wpltn2012/docs/24/1420%20peterburg_presentation_final.pdf
• http://www.ipa.nw.ru/conference/2002/sovet/PS/KOCHET.PS

Contents] [Prev page] [Next page] [Index] . ... Positioning HTML Content Using Styles . Positioning HTML Content Using the <LAYER> Tag . ... Absolute Positioning . ... Creating Positioned Blocks of Content Dynamically . Writing Content in Positioned Blocks . ... Positioning the Flower Layers . Positioning and Moving the Fish and Poles . Defining the onLoad Handler for the BODY Element . ... Adding Another Layer to Contain the Reverse Fish Image . ... The Initialization Functions . ...

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• Long description for relative flow example
• Solar photosphere mixtures for equation of state and opacities
• HTML Design Notebook

Subject of Celestial Mechanics. ... Differential Absolute Coordinates Equations of the Problem. ... General Integral of Non-Perturbed Motion. ... General Equation of Non-Perturbed Orbit. ... Other Integration Methods of Non-Perturbed Motion Differential Equations; Bine Equation for Case of Non-Perturbed Motion. ... Ellipsical Motion, Kepler Equation. ... Motion Differential Equations in Absolute Coordinates. ... Equation of System of Bodies Motion in Barycentric Coordinates, in Relative Coordinates. ...

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• Stellar Astronomy
• General Astrometry
• WARNING MISSION: Background

... Ceresт?? bright spots show unexpected changes . ... CERES | ... Observations made using the HARPS spectrograph at the European Southern Observatory s (ESO) La Silla Observatory in Chile have revealed unexpected changes in the bright spots on the dwarf planet Ceres. Although Ceres appears as little more than a point of light from Earth, careful study of its light shows not only the changes expected as Ceres rotates, but also that the spots brighten during the day and also show other variations. ...

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• A much expected journey: How Pluto became a giant among the dwarfs |
• First galaxies were born much earlier than expected | Astronomy.com
• Unexpected gamma-ray emission from dwarf galaxy may point to new understanding

Understanding Europa's Radiation Environment and How it Influences Landing Site Characterization G.W. Patterson, L.M. Prockter, C. Paranicas Applied Physics Laboratory Introduction · The surface of Europa is weathered by charged and neutral particles, micrometeroids, and photons. ... Background · Criteria for characterizing potential landing sites [e.g., Figueredo et al., ... 2004) Background · Criteria for characterizing potential landing sites [e.g., Figueredo et al., ... Figueredo et al., ...

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• Interball Data Archive Home Page
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• Frames of Reference: The Basics

Pulkovo Database of Observations of Visual Double Stars . ... Catalog of relative positions of visual double stars, based on photographic observations performed since 1960 in Pulkovo on the 26-inch refractor (A.A.Kiselev, O.A.Kalinichenko, O.V.Kiyaeva, N.A.Shakht, L.G.Romanenko, I.S.Izmailov, O.P.Bykov, K.L.Maslennikov, E.A.Grosheva, D.L.Gorshanov), 2010 . ... Enter either ADS or WDS number. Click here to display full list of visual double stars observed at Pulkovo. ADS . ...

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• Pulkovo Databases

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...

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• Relative literature to radio galaxy study

This widget allows you to offset the telescope. ... Offset type : one of "Object Arc", "Object Arc XY" or "Boresight". ... This is motion on the sky or instrument, so don't worry about cos(dec). ... If you want to move that point (e.g. center your object along a different bit of the slit), then use a boresight offset. ... Note that a +X object xy offset will move the sky in the -X direction on the focal plane, because you are centering something in the +X direction on the boresight. ...

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• Untitled Document
• Figure 6
• Telescope Tracking Smoothness

PROJECT ARTIST Title : Astronomy-Related Teacher In-Service Training Type : Award NSF Org : ESI Latest Amendment Date : August 14, 1992 File : a9154832 Award Number: 9154832 Award Instr.: ... It is designed to : (a) provide education in astronomy and basic scientific principles for teachers and (b) provide teachers with the means to communicate these concepts in an inquiry fashion to students. ... The cost sharing of the project will be at least twelve percent of the project. ...

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... Between them, the following points are touched: ICRF-2 structure, ICRF Core sources selection, and some expected user's requirements. ... Suggested total number of sources is close to the number of sources already observed in the IVS and VCS sessions, and for most of them reliable positions are derived, mostly for declination > -40 deg. ... So, results of source position time series analysis heavily depend on method used for time series computation and should be used with care. ...

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• http://www.gao.spb.ru/english/personal/malkin/publ/zm135.pdf
• http://www.gao.spb.ru/personal/neo/eng/accuracy/data/errors.txt
• http://www.gao.spb.ru/english/as/j2014/presentations/tercjak.pdf

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bad TV
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Info

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

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. You can define a file or directory by its location in relation to your current directory . The pathname is given as / (slash) separated list of the directories on the route to the file (or directory) from your current directory. A .. (dot dot) is used to represent the directory immediately above the current directory. In all shells except the Bourne shell, the ~ (tilde) character can be used as shorthand for the full pathname to your home directory. Examples . Did You Know? .

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• Examples of using relative pathnames
• Multiwavelength Study of Mira Ceti-Type Variable Stars
• The Body Element and Related Elements

Magnetic Stars, 2011, pp. ... We discuss a recent detection of a strong, organized magnetic field in the bright, broad­line B2V star, HR 5907, using the ESPaDOnS spectropolarimeter on the CFHT as part of the Magnetism in Massive Stars (MiMeS) survey. ... 2010; Rivinius et al., 2010). ... From our longitudinal magnetic field measurements, we confirm this period, which we adopt as the rotational period of this star (see Fig. 1), making it the fastest rotating, non­degenerate magnetic massive star! ...

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• http://www.sao.ru/hq/katya/NDG/DVD/Posters/Egorov.pdf
• Catalog of the LV Galaxies
• Metagalaxy sector, archive 2013

... Field of interest: data analysis and interpretation of X-ray observations of BHC and NS systems, astrophysics of compact objects and related phenomena: X-ray , optical and radio observations , shocks and stellar winds, emission mechanism, the spectral and timing analysis of the X-ray emission from microquasars ( signature of accreting BH), atoll- and Z-sources ( signature of accreting NS), modeling of INTEGRAL images % . ...

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• Stellar Astrophysics Department

Next: CONICA: The high resolution Up: VLT Status and Instruments Previous: VLT First Light . ... Infrared instruments for the VLT . Instrument Summary . ... The already approved infrared instruments for the VLT are: . ... CONICA: Coude Near Infrared Camera (P.I. R. Lenzen, MPIA, Heidelberg) - an historical name as this instrument will be used for diffraction limited 1-5 m imaging, polarimetry and spectroscopy with the NAOS, Nasmyth Adaptive Optics System on UT1 (P.I. G. Rousset, ONERA ). ...

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• NICMOS Data Calibration and Analysis
• A Color Analysis of NICMOS Parallel Observations
• The Old Stellar Population of NGC 1569 from NICMOS data