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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 bright supernova (hereafter SN) in the galaxy NGC 4527 was first sighted by S. Knight (USA) on April 13.17UT at magnitude ~14.0v. The report of the sighting was subsequently forwarded by phone to the AAVSO. ... SN 1991T. The galaxy NGC 4527 is an Sb(s)II type galaxy with an apparent Blue magnitude of 11.32 (Shapley-Ames, 1981). ... An analysis of this event utilizing visual observations by amateurs, plus a light curve is presented.. ... THE LIGHT CURVE: . ... ISN SN 1991T web page . ...

... Molecular beam epitaxy . Surface analysis . ... Molecular beam epitaxy and fundamental studies of semiconductor heterostructures (with quantum wells, quantum dots and superlattices) based on: . narrow gap III-V compounds for optoelectronic and electronic applications; . wide gap II-VI compounds, as well as ZnO, for visible range and UV optoelectronics and basic studies in the field of spintronics; . ...

Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

Symbolic circuit-matrix processor and evaluator . ... This software is reliable over the range of benchmark circuit complexity (both *.CIR and *.MAT file). ... SYMBOL is a symbolic-algebra package which in contrast to REDUCE, MACSYMA, MAPLE, MATHEMATICA, MathLAB, MathCAD and other known multi-purpose systems is especially intended for analysis of any lumped, linear, time-invariant circuit. ... pure ASCII text . ... CIRSYM - SYMbolic CIRcuit processor used to format ASCII text file *.out for CALCSYM. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

... The RAS Meteorite Collection: State on the 1 st of June, 1999 . ... About the laboratory . ... Find 1749. One mass of 687 kg . ... Fall 09 February 1929. 11 masses totaling 3738 g, the largest is 2128 g . ... Chondrite . ... Find 1986. 3 masses totaling about 25 kg . ... Fall 24 March 1933. 75 masses totaling 3-4 kg . ... Fall 29 July 1935. 5 masses totaling 37.35 kg, the largest is 23 kg . ... Fall 23 May 1938. 4 masses totaling 127.5 g . ... Fall 02 October 1933. 10 masses totaling 3.4 kg . ...

... Russian KOI8 . Publications of Oleg Verkhodanov . ... O.V.Verkhodanov, E.K.Majorova, O.P.Zhelenkova, D.I.Solovyov, M.L.Khabibullina. ... O.V. Verkhodanov, A.G. Doroshkevich. ... M.L.Khabibullina, O.V.Verkhodanov , 2011, The Estimation of Black-Hole Masses in Distant Radio Galaxies Astronomy Reports, V. 55 , No. 4, pp. 302-309, arXiv:1108.4506 . ... In Proc. (Reports' theses in Russian) of the 23d All Union radio astronomical conference "Galactic and extragalactic radio astronomy". ... SAO RAS. ...

... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...

... 1980 . ... A three-stage version of China's CSS-X4 intercontinental ballistic missile is being developed for various space applications. ... The rocket - to be known as "Long March 3"- has four gimbal-mounted engines in the first stage developing a com?bined thrust of some 280 tonnes. ... Four small gimbal-mounted motors provide thrust-vector control. ... The third stage, which employs LO 2 /LH 2 propellants, has four gimbal-mounted thrust chambers. ... CHINESE ASTRONAUTS. ...

... Russian Institutions Eligible to Receive Full lnternet Access Via RSSI - NISN . ... Space Research Institute, RAS (IKI) . Moscow . ... Keldish Institute of Applied Math-LAN-1 . ... Aerospace (ASC) Lebedev Inst.Physics LAN . ... IKI LAN Dept 54 . ... IKI MAIN LAN . ... IKI LAN Lab 902 . ... IKI LAN- Terminal Server - DIAL-UP . ... Astronomical Institute . ... 255.255.255.0 . Babakin Research Engineering Center . ... Mission (Flight) Control Center . ... IRIS Moscow Data Analysis Center . ...

Общая Астрономическая Конференция > Все про астрономическое оборудование > Астрономическое оборудование > Что за фирма и что за стекло . ... Просмотр полной версии : Что за фирма и что за стекло . Timur . 02.06.2003, 11:28 . ... Может быть даже кварц. ... blockquote>Цитата:<hr />Автор - Timur: . ... Есть такая среди производителей оптического стекла? ... По крайней мере, эта фирма имеет похожее название и изготавливает стекло. ... A MASK, OR PHOTOMASK, IS A GLASS OR QUARTZ PLATE COATED . ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

IZMIRAN (Moscow) - http://izmiran.ru/ . Plot of Real-time data of the geomagnetic observatory "Moscow" and IZMIRAN geomagnetic activity Forecast - http://forecast.izmiran.rssi.ru/indexE.htm . ... WDC for Geomagnetism, Copenhagen - http://www.space.dtu.dk/English/Research/Scientific_data_and_models/World_Data_Center_for_Geomagnetism.aspx . ... Geomagnetic observatories and Institutes operating with the WDC for Geomagnetism, Kyoto - http://wdc.kugi.kyoto-u.ac.jp/wdc/obslink.htmll . ...

... 25 июля 2000 . ... Почему звезды мерцают . ... Как можно видеть невооруженным глазом , звезды находятся так далеко, что видны нам, как бесконечно малые точки. Однако земная атмосфера неоднородна и различные части воздуха делают различные изображения единичной точечноподобной звезды. Так как атмосфера всегда меняется и перемещается , то число и положение изображений также всегда изменяется и в результате звезда кажется мерцающей . ... А. Сергеев , оформление, 1999, 2000. ...

... During all period of our investigations Dr. N.Sumzina from the Institute of Applied Astronomy of RAS had prepared the Numbered Minor Planet positions from MPC Database for our processing with kind permission of the Director of Minor Planet Center Prof. Braian Marsden. ... Our extensive processing of the MPC data allows us to conclude that CCD observations of the Numbered and Unnumbered Minor Planets have the errors, sometimes very crude. ...

... Родилась в 1965? году. ... В 1996 году прошла подготовку в Школе летчиков-испытателей ВВС США (USAF Test Pilot School) на авиабазе Эдвардс (Edwards AFB) в Калифорнии. ... Капитан ВВС (в 1996 году). ... В мае 1997 года Комиссией по отбору астронавтов ВВС США (Air Force Astronaut Nomination Board) был включен в направленный НАСА список 125 полуфиналистов для включения в число кандидатов 17-го набора астронавтов, однако на обследование и собеседование в Космический центр им.Джонсона не вызывался. ...

. Moscow Astronomical Plate Archives: Contents, Digitization, Current and Possible Applications. Light Curves of New Variable Stars Discovered on Scans of Moscow Collection Plates, Field 66 Oph (MDV). MDV catalog - CDS access. Moscow plate collection (Sternberg Astronomical Institute), S.Yu. Shugarov's interactive page. Send questions and comments to N. Samus and S. Antipin .

... Paper analyses Russian view of its involvement into international space cooperation and associated Western concerns. ... a) as a global market of space products and services, or . ... Nowadays, when the Russian rocket and space industry suffers from the end of the Cold War and transition from plan to market economy, Russia counts to benefit from offering its capabilities at the global space market. ... A principal offer of Russia to a global market is a space launch capability. ...