... They are known: active quantum frequency standards on the ammonia molecules beams (molecular generator) on the hydrogen generator (hydrogen generator) passive quantum frequency standards on the Cs atoms’ beam (cerium atomic beam tube); active and passive quantum frequency standards with an optical pumping of Cs or Rb steams. The stability of atomic beam quantum frequency standard achieves 10^ - 14. ...
... NASA Integrated Services Network (NISN) . ... Russian Space Science Internet (RSSI) . ... In the Fall of 1993, NASA Science lnternet (NSI) and the Russian Space Science lnternet (RSSI) began a cooperative effort to provide lnternet communications to selected Russian institutions in order to promote sponsored scientific cooperation between the two countries. ... This change, limiting full lnternet access via NISN for NASA selected Russian institutions, will take place no later than July 1998. ...
Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...
... Reports on progress and error are always recorded in the log file of the program. ... UT date of the measurement finish in YYYY-MM-DD format UT time of the measurement finish in hh:mm:ss format Average flux in A aperture Average flux in B aperture Average flux in C aperture Average flux in D aperture Normalized variance of flux in A aperture Normalized variance of flux in B aperture Normalized variance of flux in C aperture Normalized variance of flux in D ...
Альтернативный форум . Scientific.ru Все форумы . ... TABLE I 1994 IAU File of Current Best Estimates . ... There is to be a Maintenance Committee whose purpose is to maintain the IAU File of Current Best Estimates. ... The IAU File of Current Best Estimates is to be updated only at the beginning of a calendar year and only if it is deemed, by the Maintenance Committee, that there is a significant reason for doing so. ... 4 Initial Maintenance Committee for the IAU File of Current Best Estimates . ...
ADC CATALOG HOLDINGS SHORT TITLE LIST March 29, 2002 (adapted from ftp://adc.gsfc.nasa.gov/pub/adc/archives/catalogs/key) Category 1: Astrometric and Positional Data - March 29, 2002 1090 Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970) 1107A Washington Cat Visual Double Stars 1984.0 (Worley, Douglass 1984) 1131A SAO Star ...
University Satellites and . Space Science Education . ... Simulation of Code and Doppler GPS & GLONASS Observables and Feasible Positioning Algorithms for Universitetskiy-Tatyana Satellite . ... Algorithms of complex processing can give more accurate navigational results than algorithms which use observables of GPS only or GLONASS only. ... The algorithm of the modeling of observables has several steps. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...
... Spacecraft that will search for planetary systems around 40 million stars and observe the largest explosions in the universe have been chosen as the next two missions in NASA's medium-class Explorer (MIDEX) program. ... The first mission, to be launched in 2003, is the Swift Gamma Ray Burst Explorer, a three-telescope space observatory for studying gamma ray bursts. ... During its three-year mission, Swift will also survey the sky for new black holes and other sources of cosmic gamma rays. ...
... 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. ...
. Other Relevant Plots . Map of survey sky coverage also showing locations of all previously known QSOs. Plot showing our QSO candidate selection . The final photometric catalogue of UBR selected QSO candidates. | Front page | . | << - Talk Overview | Survey status - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
... Bad Astronomy . ... Every few months, one of a series of questions comes up on the USENET group sci.astro involving tides, or the rotation of the Moon, or the recession of the Moon from the Earth. ... Why the Moon's rotation period is the same as the length of time it takes to orbit the Earth (same as number 1, but phrased differently). ... But when this happens, the time it takes for the Earth to rotate once will be slowed to exactly the same time it takes for the Moon to go around the Earth once! ...
... Как очистить файлы cookie смотрите в разделе "Вопросы и ответы" по ссылке http://aval.ua/personal/online/usability/secur_faq/ . ... 0 (800) 500-500 по всей Украине . 44) 490-88-88 в Киеве . или 521 с мобильного (для абонентов МТС) . ... If you see this page this means there's a problem with your web-browser settings or you entered an invalid value. Please follow the recommended options below to solve the problem: Option 1 - restart your browser . ... 0 (800) 500-500 all over Ukraine . ...
Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... USA SPACEWARN 12918 COSPAR/WWAS USSPACECOM NUMBER SPACECRAFT INTERNATIONAL ID (CATALOG NUMBER) LAUNCH DATE,UT GLOBAL STAR U-1 1998-008A 25162 14 FEBRUARY 1998 GLOBAL STAR U-2 1998-008B 25163 14 FEBRUARY 1998 GLOBAL STAR L-1 1998-008C 25164 14 FEBRUARY 1998 GLOBAL STAR L-2 1998-008D 25165 14 FEBRUARY 1998 DR. JIM THIEMAN for DR.JOSEPH H. KING, DIRECTOR, WDC-A-R . ... 19, 1998. ...
... ISC Kosmotras . ... Dnepr Cluster Mission 2013 19 June 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . ... Depending on requirements of a specific launch mission, ISC Kosmotras offers several configurations of the Dnepr Space Head Module (SHM), where customer s payload will be accommodated. ... The SHM configuration is selected based on the type of the launch mission: dedicated, cluster (multiple small satellite) or shared (primary payload and a piggyback)...
Elsevier Ed itorial System(tm) for JASR 2006 Manuscript Draft Manuscript Number: Title: Determination of K, Ar, Cl, S, Si and Al flare abundances from RESIK soft X-ray spectra Article Type: Contributed Paper Section/Category: E2.4 - Solar Magnetic Field and Activities Keywords: solar physics; X-ray flares ; spectroscopy; abundances Corresponding Author: Dr. J. Sylwester , Corresponding Author's Institution: Space Research Center First Author: J ... All flares were observed early Fig. ...
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Ссылки http://solarwind.cosmos.ru/txt/2011/presentations/Sun/Kuznetsov/JASR2006-S-06-01000.pdf -- 253.7 Кб -- 15.04.2011 Похожие документы
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... Printed in U.S.A. THE MOTIONS OF THE HARD X-RAY SOURCES IN SOLAR FLARES : IMAGES AND STATISTICS Sergey A. Bogachev and Boris V. Somov Astronomical Institute, Moscow State University, Universitetskij Prospekt ... the basis of the Yohkoh Hard X-Ray Telescope ( HXT ) data, we present a statistical study of different types of the hard X-ray ( HXR ) source motions during solar flares ... Type I motion of HXR sources in flares. them, the HXR sources systematically moved during flare. ...