LBO LBO has many unique characteristics that contribute to its wide use as a nonlinear optical crystal. ... LBO Specifications Wavefront Distortion Dimension Tolerance Clear Aperture Scattering Sites Flatness Surface Quality Parallelism Perpendicularity Angle Tolerance Damage Threshold /8 at 633nm (W: +/- 0.1mm ) x (H: +/- 0.1mm ) x (L: + 0.2mm/- 0.1mm ) 80% of central area No visible scattering centers when inspected by a 30 mW green laser /8 at ...

The monitoring of the optics quality of DIMM instrument V. Kornilov, B. Safonov May 24, 2010 1 Intro duction A quantitative theory of measurement of optical turbulence (OT) with Differential Image Motion Monitor (DIMM) is based on certain priori assumptions [1]. ... Bottom: behavior of the instrumental Strehl's number for the left (triangle to the left) and right (triangle to the right) DIMM images during the period of measurement the maintenance of an additional correction factor seems superfluous. ...

Astronomy Department was found in Kyiv University in 1834 together with other twelve departments of the Faculty of Philosophy. ... At that time V.Struve was a World famous astronom, and helped V.Fedorov in creation of Kyiv University Astronomical Observatory. ... M.Khandrikov successfuly modernized the Observatory. ... Researches of the history of Kyiv Observatory say about an important contribution into development of orbits theory made by the famous Kyiv astronoms I.Illinsky and I.Putilin. ...

Maxim Tarasenko , a leading Russian space history scholar and a member of Space Policy?s editorial board, who contributed greatly to the elucidation of the Russian space programme in the journal and elsewhere, died in 1999. In order to commemorate his pioneering work in space policy, Elsevier Science has decided to hold an annual competition, open to all law school students and graduate students of space policy, to find the best essay. ...

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

... In 1965, in view of the fact that the country's leadership put S.P.Korolev in overall charge of the effort to land a man on the Moon and bring him safely back to Earth, Korolev decided to focus the work of his team on the manned space flight, while the work on the lunar robotic craft was turned over to Lavochkin Design Bureau headed at the time by G.N.Babakin. ... This flight was considered as an initial phase of preparation for a manned lunar landing mission. ...

Общая Астрономическая Конференция > Товары для астрономов > Барахолка . Продается камера StarShoot Solar System Color Image II . ... цветная камера, по сути аналог QHY5, но без порта для гида . ... Лунные феномены (редкие, необычные явления) Жизнь астрономов-любителей Анонсы астрономических мероприятий Астрономические клубы Наш "Старлаб" . ... Orion StarShoot Solar System Color Imaging Camera III . ... Encyclopedia of the Solar System . ... Solar system simulator . ...

... Printed in the U.S.A. LENTICULAR GALAXY IC 719 : CURRENT BUILDING OF THE COUNTERROTATING LARGE-SCALE STELLAR DISK Sternberg Astronomical Institute, M. V. Lomonosov Moscow State University, Moscow 119992, Russia; katkov.ivan@gmail.com, olga@sai ... In this gas-rich S0 galaxy, its large-scale gaseous disk counterrotates the global stellar disk. Moreover, in the IC 719 disk, we have detected a secondary stellar component corotating the ionized gas. ... Figure 7. ...

... 3rd ISCC) Kunming, China, Oct. ... THIRD INTERNATIONAL SYMPOSIUM OF CHRONOBIOLOGY AND CHRONOMEDICINE Kunming , China , October 7-12, 1998 REGISTRATION FORM This form should be typewritten Participant Title (tick): Prof. _ Dr. _ Mr. _ Mrs. _ Miss _ Ms. _ Surname: _______________ ... ____________________ Given name(s): ______________________ Country: _____________________ Nationality: ________________________ Registration fees: Participant Companion N of companions Amount U.S . $300 ...

... SHORT TERM PREDICTION OF POWER SOLAR FLARES FROM SSRT DATA . The algorithm for short term prediction of powerful solar flares, based on SSRT data, includes microwave emission characteristics in total and polarized flux, the structure of active region (AR) magnetic field at the photospheric level, and H a patrol data. ... During this period, 7 AR's crossed the solar disk, in which 20 flares of importance ? ... Data on AR's and magnetic fields were received from the Sayan observatory by teletype. ...

. Here it seems you see only diffuse top clouds. But actually i'd like to show you the optical effect known as "Glory". It consists in formation of colored circles around the shadow of the plane . hovering under the clouds.

Main . ... About meteorites . ... What to do if you found a meteorite! ... About the laboratory . ... You may have a question: what to do if you found a stone which looks like meteorite. ... According to the Meteorite Nomenclature Committee, in order for a meteorite to be officially registered in the International Meteorite Catalog, 20% by weight of the main mass of the identification sample must be contributed to a qualified scientific organization. ... The Staff of the Laboratory of Meteoritics. ...

The stars evolution is a change with a caurse of time the physical characteristics and the cemical composition of the stars. The stars evolution on the base of physical characteristics composition is investigated when the stars are at the different steps of evolution. ... The star evolution is going in the compact double star system in its own ways. Back . ...

... Corvus Capital, along with its own capital, has the backing of a number of international funding partners. ... MyCloudtag App has launched in the Apple App Store Google Play store! App Fitness & Health . Andrew Regan lead a 10 man team on the first ever there-and-back crossing of the Antarctica. ... CloudTag is a London Listed Company focused on the Fitness and Wellbeing Market. AIM Fitness & Health . Sirius Petroleum is an Oil Gas Company listed on London's AIM. AIM Oil & Gas . ...