Radiotekhnika i elektronika, 1998, vol. ... Transmission of Chaotic Sample Sequences Through RF Channel . ... Received January 29, 1998 . ... The following set of operations is proposed for this purpose: transformation of the chaotic sample sequence into a sequence of AM pulses, modulation of high-frequency carrier by this signal, filtering out the high-frequency signal, demodulating it into a sequence of pulses, and retrieving estimates of the sequence of the chaotic samples. ...

ISSN 0038 0946, Solar System Research, 2011, Vol. ... S. Ivanova, L. A. Goncharova, A. V. Mitrofanova, S. G. Popova, T. A. Sherginaa, V. A. Solov'eva, S. N. Oparina, and A. M. Zykova b Sternberg State Astronomical Institute, Moscow, Russia Lebedev Physics Institute of the Russian Academy of Sciences, Moscow, Russia Received April 13, 2010 a Abstract--On February 26, 2009, the first data was obtained in the TESIS experiment on the research of the solar corona using imaging spectroscopy. ... 2009). ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... MASTER Bright SuperNova in PGC1354027 ATel 3783 . ... All news ...

AUTOMATIC STATION OF ECOLOGICAL CONTROL . ... BASIC PERFORMANCE SPECIFICATION . STATE OF ASEC DEVELOPMENT . AIR POLLUTION MONITORING . ... OF MEASURING CHANNELS . ... unit of measurement . ... Nitric oxide (NO) concentration, . ... power measured by ASEC . ... In particular, RSC Energia finalizes its work on measurement systems designed to measure dust, volumetric activity of radioactive gases and aerosols and other environmental parameters. ... Official WEB-site of S.P.Korolev RSC Energia . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... 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. ...

Общая Астрономическая Конференция > Форумы общей направленности > Общий форум любителей астрономии . Supernova: ОТКУДА такое название? ... Поиск . ... Sigma72 . ... КентаVR . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. Околополюсные созвездия (поиск и описание) .. Весенние созвездия (поиск и описание).. Зимние созвездия (поиск и описание) .. ...

Institute of Applied Astronomy Russian Academy of Sciences Method of Determining the Orbits of the Small Bodies in the Solar System Based on an Exhaustive Search of Orbital Planes Dmitrii Vavilov, Yurii Medvedev Introduction to the problem: Let we have n 3 positional observations of a body: points in time ( = 1, ) , right ascensions , and declinations . ... Determination of the orbit using the Gauss method of determining orbital elements based on two heliocentric positions and points in time. ...

... 1] oai:arXiv.org:1506.03219 [ pdf ] - 1155006 . ... The Mass-Metallicity relation in galaxies of different morphological types . ... Study of such composite galaxies will help address how the star formation and disk-accretion phenomena may have regulated each other at high redshift and how this coordination may have participated to the build-up of the relationship observed locally between the masses of black holes and stellar spheroids. [21] oai:arXiv.org:astro-ph/0605437 [ pdf ] - 167013 . ...

... News . ... Research areas . ... English News . ... In the spring of this year the scientists of Samara State Aerospace University (SSAU) will proceed to integrated exploration environment in the near-Earth space and its impact on the engineered materials of spacecraft. ... This spring it will be launched into space by the first carrier rocket from the new Russian space launcher complex Vostochniy. ... The equipment set is designed and manufactured in SSAU Institute of Space Device Engineering (ISDE)...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...