... Colours of stars and galaxies hold information on intrinsic and extrinsic parameters, such as stellar temperatures and galaxy populations, selective absorption and colour changes due different dust contents and inclination angles of galaxies, as well as galaxy redshifts and evolution. ... The colour magnitude diagram of 65000 galaxies to which all above-mentioned quantities and others contribute can only be explained by comparison with simulations. ... Colours are also of technical help. ...

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• ESO - How good is HAWKI astrometry and how are PSF variations corrected?
• PAM Bulletin
• MBOSS-2

... a set of permissions associated with every file and directory that determine who can read it, write to it, or execute it. Only the owner of the file (or the super-user) can change these permissions. a mathematical term that refers to a number, character or word which changes the action of the command it is applied to. a standard code used for representing information on computer systems and networks. It uses the printing and non-printing characters that can be generated by the keyboard. ...

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• HTML Math
• Fill-Out Forms
• Special files

... In this poster we propose a hypothesis that within fixed assumptions about internal physics (opacity, thermodynamics, nuclear reactions) a strict relation between the surface helium abundance and the entropy of the adiabatic part of the convective zone exists for all solar models. This hypothesis is verified with models under simplified physics (Christensen­Dalsgaard 1988) and with six evolutionary models computed by Christensen­Dalsgaard (1992). ... 1990, Christensen­Dalsgaard 1991). ...

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• Long description for change bar example
• Image: Place to drink and wash hands. Similar ones are present at every shrine.
• Image: Model of the typical Japanese garden. Almost all details are present:

... The file names' construction . The flight (m) stage's file set . ... the orbital data used for the flight operation monthly (m) long-term planning, . ... The orbital calculations are based on the initial orbital data determined by KIAM RAN using the orbital radio- measurement treatment. The determined initial orbital data are presented as a state vector (satellite position and velocity) in the J2000 reference. ... Accept the file with extension '.bgr', where the Moscow time (MT=UT+3h) is used. ...

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• The INTERBALL Tail PROBE orbital elements
• The INTERBALL Auroral PROBE orbital elements collections
• KM-7 Results Page

Halley's Comet . Spacecraft that have visited Halley's Comet . ... Then in 1984 and 1985, five spacecraft from the USSR, Japan and Europe were launched to make a rendezvous with Halley's Comet in 1986. ... This image is a mosaic of 8 images taken by the Giotto spacecraft during the Halley encounter on March 13, 1986. ... Courtesy NASA/JPL) . ... Halley's Comets in 1986 . This image of Halley's Comets was taken during its 1986 appearance. ... Cylindrical Map of the Nucleus of Comet Halley . ...

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• CHIANTI atomic database
• IBIS - Installation
• NICMOS3 Detector for Spectroscopy

Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Our BVR CCD photometric study of the globular cluster NGC 7006 permitted us to find two new suspected RR Lyrae variables. A cluster chart is presented with the position of known and suspected variables marked. ... According to the Catalogue of Variable Stars in Globular Clusters (Clement et al., 2001), it contains 76 variables, most of which are RR Lyrae variables, the RR1 to RR0 ratio being 8:55. ... for suspected and some of known variable stars. ...

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• XWare > APOD

... I determine th as a time period (from some moment in the past till the present moment) during which papers responsible for 1/2 of the total citation index were published. Parameter Nt represents averaging of the citation index over this period: Nt = C.I./2th 1 Intro duction The problem of estimation of an impact of a scientist (or a group of them) is an actual one (see, for example, [1] and references therein). ... One published in 1965 a paper with C.I.=5000, and nothing after that. ...

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• Art Gallery
• The Present Situation in the Galaxy
• Seminars

THE 75th NAME-LIST OF VARIABLE STARS. ... The 75th Name-List consists of two tables. ... the literature, taken from positional catalogues, including USNO A1.0/A2.0 and GSC, or determined by the authors); the range of variability (sometimes the column Min gives, in parentheses, the amplitude of light variation; the symbol ( means that the star , in minimum light, becomes fainter, than the magnitude indicated); and the system of magnitudes used ( P are photographic ...

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... 8, ``Celestial Mechanics'', 2002 First results of GPS orbit determination with GRAPE package using a square--root information filter M. O. Keshin Institute of Applied Astronomy, St. Petersburg, Russia The zero--differenced carrier phase measurements contain the distance be­ tween the phase centres of receiver and transmitter antennas biased by unknown integer number of cycles (phase ambiguities). ... In the case of GPS the problem of solar radiation pressure modelling is of primary importance. ...

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• Head Litter of Minor Planet Names
• (Untitled)

ON THE IMPACT OF THE GALACTIC ABERRATION ON VLBI-DERIVED PRECESSION MODEL Z.M. MALKIN Pulkovo Observatory Pulkovskoe Ch. ... Corrections to adopted precession rate are usually computed from the linear trends in long-term time series of celestial pole offset (CPO), which are the differences between the measured and the theoretical coordinates of the celestial pole. ... CONCLUSIONS We have estimated the impact of GA on parameters of precession-nutation model derived from VLBI observations. ...

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• http://www.gao.spb.ru/english/personal/malkin/publ/zm03d.pdf
• http://www.gao.spb.ru/english/personal/malkin/publ/zm134.pdf
• http://www.gao.spb.ru/english/personal/malkin/publ/zm11c.pdf

... Educational programs (English) . Educational programs (Russian) . ... Pre-university education . ... SSAU History . SSAU roadmap . ... The International Educational Exhibition AULA-2015 was held in Madrid from the 4th to the 8th of March. ... Samara State Aerospace University named after academician S. P. Korolev was represented at the exhibition by Ilya Kudryavtsev, Dean of the Faculty of Radio Engineering and Olga Klenkina, Assistant Professor of the Department of Social Systems and Law. ...

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• For the first time Russian university presented its achievements in outer space
• SSAU's nano-sattelite presented in Brussels

The revision of the MASS/DIMM star catalogue N. Shatsky, V. Kornilov March 16, 2008 Abstract The compilation of the (updated) version of the MASS (MASS/DIMM) device target catalogue is described. ... Then the list was cleaned according to following criteria: I. Remove stars too faint for a MASS device. ... Here the color equation of the Sternb erg device was taken: M AS S mag = V mag + 0.45 (B - V ); stars with M AS S mag > 3.2 were removed. ... This was made based on the GCVS4.2 catalogue data. ...

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• http://curl.sai.msu.ru/mass/download/doc/shtrel_controls.pdf
• http://curl.sai.msu.ru/mass/download/doc/pmt_param_eng.pdf
• http://curl.sai.msu.ru/mass/download/doc/dimm_specs.pdf

... These computer models are doing very well, but not yet well enough. The problem is dynamic range: any simulation that models a large enough piece of the universe to be representative (a cube of 100 Mpc on a side seems sufficient), cannot have the resolution to accurately follow what happens on galactic scales ( kpc). At present, each point in the n-body code represents around , and you cannot model star formation and galaxy dynamics with only particles. ...

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• Penny Sackett presents John Anderson with a commemorative sculpture
• Penny Sackett presents a copy of the book, signed by the authors, to John
• The sculpture presented to John Anderson

Next: The Structure and Composition Up: NICMOS Science Previous: HST/NICMOS Observations of the . ... NICMOS Imaging . ... Object Sizes . ... Extremely Red Objects . ... We present results from our analysis of F160W images obtained with NICMOS Camera 3 operating in the parallel mode. ... Our ground-based visible-light imaging of the NICMOS parallel fields has revealed one such object and a small number of similar objects are within the camera 2 or camera 3 images of distant radio galaxies and quasars. ...

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• HST 3 Conference
• NICMOS Observes the Galactic Center
• Imaging Polarimetry with NICMOS

... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...

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• Database of Optical Properties -- Level: subsubsubpage
• Point matching method
• Silicate minerals

... The purpose of the meeting was to review the current status of project development and to discuss working plan for international cooperation on the stage of preparation to the launch. 22 foreign specialists participated in the meeting representing Australia, Canada, China, Finland, Japan, the Netherlands, Ukraine, United Kingdom, and USA. ... To define personal content of proposed working groups and to develop plan of their activity for 2003 year (15 November 2002, chairmen of working groups). ...

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• RadioAstron main page, english version
• P R O T O C O L

ABSTRACT: Both previous radiomessages for aliens, Arecibo 1974 and Evpatoria 1999 (see http://ebe.allwebco.com/Science for details) were the logical ones and represented the binary stream of FM information, which should be arranged into two-dimensional forms to perceive by eye-like sense-organ. ... So, I suggest to implement the 1st Theremin Concert for Aliens from Arecibo or Evpatoria Radar facility. ... The theremin was invented 80 years ago, in 1920 by Leon Theremin. ...

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• http://lnfm1.sai.msu.ru/SETI/eng/articles/zait_eng.html
• http://lnfm1.sai.msu.ru/SETI/koi/articles/abstr1.html
• http://lnfm1.sai.msu.ru/~tempus/english/science/articles/ZotovPoster_APSG2013.pdf

... Conference . ... for optical telescopes of small and medium size (up to 3-m in aperture) to be discussed. Current Status and New Projects of Small- and Medium-Size Optical Telescopes . ... Science with Small- and Medium-Size Optical Telescopes . ... 12 May 2015 - First announcement . 1 June 2015 - Registration opens . 10 June 2015 - Abstract submission opens . ... 10 September 2015 - Programme available . 19 October 2015 - Conference opens . 22 October 2015 - Conference closes . ...

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... Home Gallery Club Events AAA president Marcelo Cabrera presents AAA Amateur Astronomers Medal to Al Nagler of TeleVue Optics with AAA vice-president Susan Andreoli. ... A History of the First Forty Years of the Amateur Astronomers Association . ... AAA president Marcelo Cabrera presents AAA Amateur Astronomers Medal to Al Nagler of TeleVue Optics with AAA vice-president Susan Andreoli. by . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... Recent Topics . ... Astronomy in Ukraine: Past, Present and Future . ... В?д: "Cambridge Scientific Publishers" . ... Тема: FW: Astronomy in Ukraine: Past, Present and Future (MAO-2014) . ... Subject: Astronomy in Ukraine: Past, Present and Future (MAO-2014) . ... Re: Astronomy in Ukraine: Past, Present and Future (MAO-2014) . ... I read about your recent conference: Astronomy in Ukraine: Past, Present and . ... Astronomy in Ukraine: Past, Present and Future (MAO-2014) as a special issue . ...

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• MAO NASU :: Topic: OALib Journal-A Platform to Present Your Work to the World!
• MAO-2014: Astronomy in Ukraine ? Past, Present, and Future