The magnetic fields of peculiar A and B stars in open clusters John D Landstreet University of Western Ontario London, Upper Canada 22.2.200821 June 2005 Armagh Observatory Workshop 1 The Team: · · · · · · Stefano Bagnulo, Armagh Observatory (N Ireland) Vincenzo Andretta, INAF (Italy) Luca Fossati, Vienna ... 22.2.200821 June 2005 Armagh Observatory Workshop 8 Cluster magnetic Ap stars · Ap's in clusters would have more accurate ages. ...

... The obtained results lead to the following conclusions: a) the heavy element enrichment had taken place in the Galaxy in a few bursts of its activity rether than in a continuons manner; b) these bursts occured during the callapse of the early Galaxy; c) the star formation had been inhibited in the time of the bursts; d) the metal enrichment did not proceed in the periods of star formation, between these bursts of activity. ...

... The perceptron structure, on the basis of which the database is built, is defined by a number of the input and output parameters and a required accuracy. ... The output perceptron data are the expansion coefficients of the scattering matrix elements in series of the generalized spherical functions. ... As the cluster structure depends on the generation conditions the expansion coefficients were averaged over 5--7 realizations of the clusters (for N . ... is the coefficient number. ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

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 . ...

... Tonight's Sky . ... Observing . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Sky Guide . ... GRBs result of stellar swaps . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email...

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

... Shustov B.M., Wiebe D.S. Dust expelling from the Galaxy ( abstract from the journal ). Astronomy Reports , 1995, 39 , 578-586 [AZh, 72 , 650-659]. Wiebe D.S., Shematovich V.I., Shustov B.M. Chemical and dynamical evolution of protostellar clouds: initial stages of collapse ( abstract from the journal ). ... Shustov B.M., Wiebe D.S., Tutukov A.V. Evolution of disk galaxies and loss of heavy elements into the intracluster medium. ... ApJ (Letters), 1998, 503 , L71-L74 ( astro-ph/9806155 ). ...

... Space Research Institute . Main . ... Main results of the experimental and theoretical research completed in 2010 . ... Moon's topography is shown based on LOLA laser altimeter data, white contour shows a permanently shadowed region and a white rhomb indicates LCROSS spacecraft impact location. ... Ultra deep survey of the sky in hard X-rays, performed by INTEGRAL observatory . INTEGRAL observatory has completed the first and the most sensitive survey of the sky in hard X-ray energy band. ...

... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... A Ministerial Committee (hereinafter the Committee) chaired by a member of the Russian Academy of Sciences Nikolay A. Anfimov has been set up by the state authorities of Russia to investigate the cause of the Dnepr LV mission failure. ... The conclusions made by the Committee were delivered to the State Committees of Russia and Kazakhstan established with the aim to investigate the Dnepr launch failure consequences. ... Mission profile . ...

Click here for a PDF version of Richard Berry's talk. Universe 2001: Results of Saturday Evening Imaging . ... Support data for calibrating the CCD consisted of eight bias frames and four 60-second dark frames. ... To rescue the images, we processed and registered the four 15-second integrations and the 60-second integration separately. ... The 60-second images were then registered to the composite of 15-second images to produce the image M11-COMBO.FTS. ...

... О программном комплексе STEV . ... Описание блока подготовки таблиц . ... Описание блока расчета моделей звезд на Начальной Главной Последовательности (НГП) . ... Описание блока расчета эволюционных треков . ... Как рассчитываются модели звезд и эволюционные треки в программе STEV . ... Bычиcлитeльнaя чacть кoмплeкca STEV бaзиpyeтcя нa cyщecтвeннo мoдepнизиpoвaннoй вepcии кoмплeкca пpoгpaмм Б.Пaчинcкoгo (дaлee кpaткo KПП; см. например Acta. ... Haчинaя cвoю paбoтy нa STEV, Bы cтaнoвитecь eгo члeнoм....

Dynamics and Statistics M/M 10 4 statistics R = 0.9992 2 103 dynamics R = 0.9401 10 2 2 log(/o) -1.8 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1 Comparison of results of mass estimation which is received by means of our method (dynamics) for 18 clusters of Milky Way with suspected BH with data in [2] (Safonova, Shastri, Aph. ... We considered the limits of central bodies masses for 4 clusters in our Galaxy (47 Tuc, Cen, NGC 6388, M15) and G1 Globular cluster in the Galaxy Andromeda. ...

... Viewing the Universe with Infrared Eyes: The Spitzer Space Telescope . Dr Giovanni Fazio . ... He then lead the development of large balloon-borne telescopes for far-infrared astronomical observations above the atmosphere, as Principal Investigator for the 1-Meter Balloon-Borne Far-Infrared Telescope and also the first infrared astronomical telescope to fly on the Spacelab II flight of the Space Shuttle. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... It is well known that the Least Squares method returns the values of the parameters regardless the correspondence of the model to observations. ... The proposed method based on the orthogonal representation of the equations of a model is free of this fault since it tests the consistency of the model and data. This method have been used to find out the compatibility of the standard kinematical model with the proper motions of stars in the Hipparcos catalogue. ... What is beyond the accepted model? ...

. Appl. Sci. Res. 51, 109-113, 1993. Jacques Lewalle, jlewalle@syr.edu

Galushina T., Bykova L., Letner O., Baturin A. Tomsk State University Russia 1 Investigation Dynamics Asteroid of of 2 Solving problems construction of numerical model of asteroid motion with account chosen perturbed factors; asteroid orbit improvement according to positional observations; construction of initial probabilistic domain by linear and nonlinear methods; study of evolution of initial probabilistic domain; revealing of ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

The Orbital Evolution of 2007 VA85, an Amor-type Asteroid on a Retrograde Orbit . ... Among the known population of asteroids on retrograde orbits ( i 90 ) we found an object classified as an Amor-type asteroid. ... Very Long Baseline Interferometry (VLBI), Near Earth Objects (NEOs), population of asteroids on retrograde orbits, an Amor-type asteroid, possible Earth-impact solutions, potentially hazardous object, orbital evolution of 2007 VA85, dynamical origin. ...