... Up: Data Analysis Tools, Techniques, and Software . ... We have performed an experimental comparison of several instance-based machine learning algorithms applied to the problem of automatically estimating stellar atmospheric parameters from their spectral indices. ... We envisage the use of such methods for large spectroscopic surveys currently in progress. ... Metric distance minimization (MDM) is perhaps the simplest instance-based learning method. ...
. Given a deformation family of Fano varieties, one can construct certain Galois representations of global fields using mirror symmetry. Even those varieties that are motivically Tate (e.g. projective spaces or Grassmannians) yield non-trivial Galois representations. We describe some interesting instances of the construction, and explain how to compute Frobenius eigenvalues in these instances. Go to the Laboratoire Poncelet home page. Site design by Paul Zinn-Justin
Actor Prolog is an object-oriented logic language. So, any program written in Actor Prolog consists of classes. ... An example of Actor Prolog program. -- -- (c) 2002, Alexei A. Morozov, IRE RAS. -- ------------------------------------------- project : (( 'Hello' )) class 'Hello' specializing 'Console': [ goal:- writeln ( "Hello World!" This program consists of solely 'Hello' class. ... Thus, the execution of the program starts with the creation of an instance of the 'Hello' class. ...
Russian version of HP . ... StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC computers you can found here ). ... Extensibility : This program is based on common "Plugin StarCalc interface to catalogs and object groups", which allows program to add new modules as Plugins. ... Welcome to the Pocket StarCalc Home Page: . ... Some bugfixes in eclipses" and line" plugins - see the new versions in downloads page. ...
... Satellite data ] . ... Data organization and access. ... The following data types are used for storage of information relevant to the project: . ... All data available within the Pavodok-96 project are copyright ї Space Monitoring Information Support laboratory (SMIS IKI RAN). Neither the data themselves nor any materials obtained with the use of these data can be used for commercial purposes and/or by any mass-media or public information system without prior writting permission from SMIS IKI RAN. ...
... Looking down on a storm (image credit: Robert Johnston) . Spearheaded by the Project Lead Robert Johnston of Cookstown High school, along with the support of Gerard McStocker from Holy Trinity College and the тАШhighlyтАЩ experienced High Altitude Balloonist Philip Heron , this leading edge school project has left us gazing into the sky! ... The Sun from the stratosphere just north east of Dublin (Image credit: Robert Johnston) . ... The limb of the Earth (Image credit: Robert Johnston) . ...
... In the western literature this method is now called ``coupled dipole method" (CDM). ... Thus, a system of equations relative to the fields scattered by the elementary domains can be obtained, and summation of these fields gives the total scattering field. ... A subtle difference between both methods is in the fact that in the first method one works with the fields which excite a dipole (without the field of the dipole), whereas in the second method one uses the real fields in a given domain. ...
Astronomy Binoculars - The Skies The Limit . ... Binoculars for astronomy are usually powerful. ... If you are buying a hand held binocular to look at the skies, make sure it isn't so heavy that you can't hold it for long periods of time. ... You should also visit some astronomy web sites or binocular reviews and see what the astronomy enthusiast are using. ... Remember that binoculars for astronomy tend to be very powerful and they don't usually have a huge field of view. ... www.astronomy.net . ...
... What are those red streaks in the sky? ... Jets from Comet Churyumov Gerasimenko . ... Where do comet tails come from? ... These two mighty galaxies are pulling each other apart. Known as the "Mice" because they have such long tails, each spiral galaxy has likely already passed through the other. The long tails are created by the relative difference between gravitational pulls on the near and far parts of each galaxy. ... Our Galaxys Magnetic Field from Planck . ... January . ...
The divisity of galaxies. The galaxies are the giant (to hundred of billions of stars) star systems, where the stars are connected by gravitation laws with each other. ... Ther galaxy NGC 3031 . ... Each spiral galaxy has a core a flat disk where the spiral brancher locate. The stars and interstellar substance of spiral galaxies rotate around the core. ... In normal galaxies, such as our Galaxy, the great brightness of the core is accounted for the high concentration of stars. ...
Determination of an Intermediate Perturbed Orbit from Range and Range Rate Measurements at Three Time Instances . ... Very Long Baseline Interferometry (VLBI), Small Solar System Body (SSSB), an intermediate perturbed orbit, a fourth-order tangency to the trajectory of perturbed motion, range measurements, range rate measurements, range observations, range rate observations, computing the preliminary orbit of a small celestial body, the degree of approximation of the real motion, the Keplerian orbit. ...
FUNCTIONS PROCEDURES + ; + + ; ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ; ; ; pro sep_pathflnm,path_name,path, flnm ,flext ; separate path, filename and extension from the whole path to file path_name if(!version.os_family eq 'unix') then dir_separator Be carreful and check orientation of' print,' spectra in bmp images and leave out those which have dif-' print,' ferent orientation that majority of images. ...
. Abstract can be submitted from April 1 to July 31, 2013. To submit your abstract: . Download the LaTeX templates here . Insert your abstract to the file "sample_en.tex" following the given sample. Control the result (applying LaTeX to the file "book_sample_en.tex"). Please, keep your abstract within one page, if possible. Rename the edited file "sample_en.tex" using for the filename your last name and e-mail it to ffk@gao.spb.ru , marking the message by the word "Abstract" in the field "Subject".
... GCR and SCR are primary cosmic rays. 10-15 years after the discovery of cosmic radiation (1919) there emerged two main avenues of investigation in the physics of cosmic rays (CR): 1) nuclear - elucidation of the origin of elementary particles and nuclear interactions; and 2) astrophysical (space physics) - solution of the problem related to the origin and variations (changes in intensity) of CR. ... Besides, the CR flux in interplanetary space is, strictly speaking, not isotropic. ...
Mercury Winter 2011 Table of Contents . ... An artist's impression of MESSENGER in orbit at Mercury. ... For instance, after liftoff in August 1977, it took Voyager 2 two years to reach Jupiter; three to get to Saturn; seven to reach Uranus; and more than 10 years to arrive at Neptune.Add on the pre-launch years required for mission concept and development, plus time for spacecraft construction, and it's no surprise that some astronomers devoted most of their career to the Voyager missions. ...
... We all recognize the names of JSC?s male space pioneers: Flight Directors Chris Kraft and Gene Kranz; astronauts Alan Shepard, John Glenn, and Neil Armstrong; Center Director Bob Gilruth; and Engineering Director Max Faget. ... In celebration of women?s history month the JSC History Office commemorates the contributions of three of the Center?s amazing women and invites you to visit the History Portal to read their transcripts and to learn more about other women not included in this short feature. ...
... We have compiled the Catalogue of extragalactic supernovae using the GCVS card catalogue. ... Doubtful (?), or rejected (-) SN 8 A1 --- RemFlag [*] The '*' indicates a remark in sn_rem.dat 10- 19 A10 --- Gal Parent galaxy designation 21- 22 I2 h RAh Right Ascension 1950 of Parent galaxy 23- 24 I2 min RAm Right Ascension 1950 (minutes) 25- 28 F4.1 s RAs Right Ascension 1950 (seconds) 29 A1 --- DE- Declination 1950 (sign) 30- 31 I2 deg DEd Declination 1950 of Parent ...