... ,E_=v_B_z,B_z0 Light cylinder at RL U = electric voltage created by rotating BH I = large scale current I U LK Centrifugal acceleration in BH magnetosphere Assume `reasonable' B and E fields, from current I : Bz = 0 = v/v 1 Motion of a test particle P ( ) Light cylinder Pz() P() z() Here = 0.01 and = rc,i/RL = 0.01 Growth of particle Lorentz factor ( ) log k At light cylinder : = Here with initial value is the absolute maximal reachable by this process (ie no ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

Международный астрономический союз (МАС) . Астрономические общества . Институты и обсерватории США . ... Международный астрономический союз . ... National Aeronautic and Space Administration (NASA). ... Главная астрономическая обсерватория Академии наук Украины . Николаевская астрономическая обсерватория (Украина) . ... Астрономическая обсерватория Киевского университета . ... Национальная оптическая астрономическая обсерватория (National Optical Astronomical Observatory) (NOAO) . ...

... I am 13 years old. ... This is the last year in Primary school, so I have to go to a new school, to go on studying Middle School which are 4 years more of studies. ... I like our project very much because I am interested in learning more about planets and I like working for Peace in the world.I wrote a short tale called “An unforgettable experience” . ... I think it is called Secondary School there. ... I like the project “Future Lander” very much and I wrote a short tale called “The Little Flautist...

Astronomes Amateurs du Luxembourg a.s.b.l. " We bring the Universe to you ! Founded in 1971 by a group of enthusiasts and star aficionados, our association is now counting more than 130 members.As a national association we attract hobby astronomers from the whole country to our regular night-sky observations and to the meetings in our club at Dudelange. ... by topic : PDF File Download (360KB) . ... Article about AAL in "Le Quotidien" newspaper of Juli 21 2005 - PDF File Download (132KB) . ...

To see a Russian version of this page, click here . ... Graduated from Moscow State University (MSU), Faculty of Physics in 1976. Ph.D. degree - 1988, MSU. Main field of scientific activities: photometric investigations of various stars, close binary stellar systems and other astronomical objects, including research with use of fast photoelectric photometry with a high time resolution till 1 millisecond. ... New portable photometer . ... Send your mail to: tem@sai.msu.ru ...

... Authors: G. Garavini et al. ... astro-ph/0703192 GRB 060505: возможно короткий гамма-всплеск в области звездообразования на красном смещении 0.09 (GRB 060505: A possible short-duration gamma-ray burst in a star forming region at redshift of 0.09) . Authors: E. O. Ofek, et al. astro-ph/0703181 Пульсирующее рентгеновское излучение от Пульсара А в двойной системе J0737-3039 (Pulsed X-ray Emission from Pulsar A in the Double Pulsar System J0737-3039) . ... Authors: HiRes Collaboration . ...

... The data for ~ 5500 F-G stars are used to study their kinematics, metal abundance and HR diagram in terms of uvby photometry. The age - metallicity, velocity - metallicity, and age - velocity relations are derived. ... 4) At a given metallicity the kinematics of F dwarfs is close to that of G giants and the kinematics of G dwarfs is close to that of K giants. ... 1) При [Fe/H] < 0 звезды данной металличности обнаруживают отчетливую точку поворота главной последовательности (ГП). ...

... Remote Sensing of Fire Intensity and Burn Severity in Forests of Central Siberia . ... Increasingly sophisticated and comprehensive estimates of burned areas and of active fire areas are being produced using satellite imagery. However, accurate regional estimates of fire intensity, ecosystem fire effects, and fire emissions to the atmosphere require development of accurate remote-sensing based methods for estimating the intensity of active fires and the severity of fire impacts. ...

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

... B.V. Somov . head of the department . ... room 80 . ... senior research felow . ... research felow . ... research fellow . ... Our department performes the following most perspective studies: . Special analytical and numerical experimental investigations of the solar plasma involved in the magnetic reconnection process at the Sun. ... Head of the seminar: Prof. B.V. Somov. ... 27 September 2013 The Solar Physics Department was visited by journalists of the leading Russian TV channel "Vesti-1". ...

MUON METHOD FOR A MATTER STUDYING Yu. ... З МТЪУflВВ , ВПfl ПУММњИ ПВЪУ Оfl ЩЛБЛНЛ Л iЛПЛЛ НУМВМТЛУ,ММњi Л ,,БУУћ БМњi ЩБ ЛПВВЪ ЪНУВ КВ БМ~ВМЛВ, НН ПВЪУ flВ МУ,,У П,,МЛЪМУ,,У ВБУММТ ЛОЛ ПfiТТћЫУ,ТНfl ,,ПП-ТФВНЪ УТНУФЛfl. ы. е. ЕЦгймлйЗ, З. и. леагЙД еУТНУ,ТНЛИ ЩЛБЛНУ-ЪВiМЛ~ВТНЛИ ЛМТЪЛЪЫЪ, СУО,,УФ ЫМњИ еУТНУ,ТНУИ УћО. ЗЗЦСЦзаЦ 76 ї ЕВОУЫТУ, ы.е., лПЛО,, З.и., 1999 : ( ), , , чSR-, , . чSR . ... ЕЦгймлйЗ ы.е., леагЙД З.и. унй нДдйЦ еыйззхв еЦнйС аллгЦСйЗДзаь ЗЦфЦлнЗД 77 M mr. : . ... 3) : cos | ...

Prague, August 16, 2006 . ... Continue the GCVS project for at least 3 -6 more years;  for this period, continue publication of Name-Lists for individual discoveries and for large-survey stars studied also elsewhere;  during this period, start a new GCVS version with improved data and with complete information for Name-List stars; . during this period, work on Steve Kawaler's suggestion;  pay maximum attention to improving software for period determination, automatic classification, etc . ...

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

... Master . Master net Homepage . ... Ten years ago it was realized that robotic observatories boost the capabilities of astronomical observations of non-stationary and short-lived phenomena in the Universe. ... The first Russian robot-telescope MASTER was developed in 2002 and installed nearby Moscow. ... OAO MO "Optica" has mastered the production of such systems. The workshop is devoted to the results achieved by MASTER-net, that recently stretch over the globe from Blagoveshensk to Argentina. ...

. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . The solar regions . NOAA 11300's . NOAA 11200's . NOAA 11100's . NOAA 11000's . NOAA 10900's . NOAA 10800's . NOAA 10700's . NOAA 10600's . NOAA 10500's . NOAA 10400's . NOAA 10300's . NOAA 10200's . NOAA 10100's . NOAA 10000's . NOAA 09900's . NOAA 09800's . NOAA 09700's . NOAA 09600's . NOAA 09500's . NOAA 09400's . NOAA 09300's .

... Sea Surface Temperature, restored from NOAA satellite data . You may use Java applet to view temperature maps in more detail. Using the applet, you can build "accumulated" temperature maps from selected data, get temperature values in any point and save the resulting image to your local disk. Date and time of the data . ... 14:25 (GMT) . 3.04.2016 . ... For information send a mail to: info@sputnik.infospace.ru . ...

... Chemically Decoupled Nuclei in Five Lenticular Galaxies from SAURON Data O. K. Sil'chenko* Sternberg Astronomical Institute, Universitetski i pr. ... We have now analyzed and published the SAURON data for five galaxies, including the above NGC 3384 and NGC 3623, in which the chemically decoupled nuclei are rather extended (several hundred parsecs) circumnuclear stellar disks. ... 1996 SAURON, Oct. ... In NGC 7280, we found an inner polar ring previously using MPFS data (Afanasiev and Sil'chenko 2000...

. The Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy studies experimental and theoretical research of cosmic rays, magnetosphere-ionosphere system and solar-terrestrial relationships. The Institute was founded in 1962, it is placed in Yakutsk, Russia. Director of the Institute — Prof. Evgeny Berezhko.