... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

... Space flight . ... Space camp . Space Hotel . ... The aim of the Space Camp program is to promote achievements of Russian manned cosmonautics and space exploration. ... One of the main tasks of the Space Camp program is to facilitate cooperation with educational institutions in Russia and abroad in proliferation and mastering of acquired knowledge in a form of space-related quizzes, contests, scientific experiments, on line- and videoconferences. ...

... Dmitry Stepanovich (VIDEO of March 2011) . Olga Silchenko, a soloist of the Early Music Theatre . ... Anna and Olga Silchenko have presented the duets by Rubinstein and Chaikovsky (VIDEO) . ... Two Russian romances - duets by Olga Silchenko and Dmitry Stepanovich (VIDEO) . ... N. Rimsky-Korsakov "The Tsar's Bride", the duet of Lubasha and Gryaznoy - by Olga Silchenko and Dmitry Stepanovich (VIDEO) . ... Vivaldi "Magnificat", 6th part, duet by Anna and Olga Silchenko (VIDEO) . ... Olga Silchenko . ...

RECREATIONAL TELESCOPES . ... ASTRONOMICAL TELESCOPES . ... TELESCOPES . ... Home Products Telescopes Spotting scopes ASTELE™ 70 . ... 70 (Astronomical Telescope / Spotting Scope) . ... The ASTELE? 70 is a versatile astronomical telescope, spotting scope and telephoto lens. ... This design uses a meniscus optical correcting lens which produces the highest possible quality image with it’s primary mirror, and which seals the telescope from dust, dirt, etc., contaminating the optics of this instrument. ...

... Comments: 7 pages with 3 embedded figures. ... Title: A high frequency radio study of G11.2-0.3, a historical supernova remnant with a flat spectrum core . ... Title: Superluminal motion in a compact steep spectrum radio source 3C 138 . ... Title: Compact steep-spectrum sources from the S4 sample . ... Accepted for ApJ. 42 matches for the search pattern steep spectrum . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/steep+spectrum+/0/1/0/past,all/7/0 www-admin@xxx.lanl.gov ...

... 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 . ...

The Russian Parliament will soon consider a bill that would restructure the Russian space program, 35 years after the launch оf Sputnik. ... But the legislation's most striking and controversial feature is a provision that would ban testing and deployment оf space weapons ? including anti-satellite weapons and space-based missile interceptors. ... A draft bill was written by a group of experts within the Moscow Space Club, several of whom now work on space issues with the Russian Parliament. ...

ASTRONOMY IN UKRAINE - 2000 AND BEYOND . ... Kyiv, Ukraine, 5-8 June 2000 . ... The primary objective of the conference is to consider the integration of astronomical research in Ukraine into the international astronomy. ... VLBI for Astronomy and Geodynamics Convenors: Kees van't Klooster (The Netherlands), Leonid M. Litvinenko (Ukraine), Chopo Ma (USA). ... Planetary Astronomy Convenors: Teodor Kostiuk (USA), Robert Nelson (USA), Yuri Shkuratov (Ukraine). ... The "general" registration fee: 100 USD. ...

... 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...

... ON THE ROLE OF LARGE-SCALE PLASMA IRREGULARITIES AT THE FINAL STAGE OF ANOMALOUS ABSOPTION DEVELOPING UNDER HF HEATING OF THE IONOSPHERE . ... Fig. ... With the aid of numerical statistical modeling based on multiple ray tracing it is shown that in presence of large-scale irregularities the reflected signal amplitude mean value is increased significantly. ... Dependence of the mean amplitude of the reflected from the ionosphere signal on the large-scale (10-50 km) electron density irregularity level...

... Родился 9 декабря 1918 года в городе Беркли (Berkeley), штат Калифорния. ... Скончался 29 апреля 2006 года. ... В 1940 году поступил в Университет штата Калифорния (University of California), но, недоучившись, был призван в ВВС США. ... В 1961 году стал главным летчиком-испытателем (Chief Test Pilot) компании NAA. С 1960 года работал по программе испытаний бомбардировшика XB-70 Valkyrie. ... В 1969 году основал консалтинговую компанию Al White Associates в городе Арвада (Arvada) в штате Колорадо. ...