The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

... Space flight . Crew training . ... A task of selection and preflight training is to form up and to train a crew for a space mission. ... Training in crews on the "Soyuz" transport space vehicle and on the "Earth-Moon-Earth" interplanetary flight program, . ... Basic space training of a lunar crew provides for acquiring a fundamental knowledge on the origin, structure and evolution of the Universe, studying methods and means of space flights performance, use of space for the benefit of mankind. ...

... MHz time of max Peak Mean UT UT Min. (10 -22w/m 2 Hz) 05.04 2804 40 F 00.14.3 00.14.7 1.2 4.7 11.04 2804 40 F 01.56.3 01.56.4 4.1 8.5 20.04 2804 40 F 01.33.3 01.33.8 1.3 6.0 26.04 2804 2 S/F 03.46.5 03.47.6 3.1 6.8 26.04 2804 1 S 04.07.6 04.08.3 1.3 3.5 27.04 2804 1 S 03.29.1 03.29.6 1.0 4.0 28.04 2804 3 S 23.28.1 23.30.7 9.0 46.4 30.04 2804 42 SER 01.35.7 01.42.0 8.3 21.8 30.04 2804 42 SER ...

. click station part on the picture in this window to see what it is . or click items in the list to find them on the picture. press INFO button for information on selected item .

Команды менеджера библиотек ACCEL Library Executive . ... Создание связей между именами и компонентами в импортируемой библиотеке . ... Выход из ACCEL Library Executive . ... Создание нового посадочного места компонента, запуская мастер создания посадочного места компонента Pattern Wizard графического редактора посадочных мест ACCEL Pattern Editor . ... ACCEL Pattern Editor . ... Если ACCEL Symbol Editor установлен, эта команда запускает графический редактор символов компонентов ACCEL Symbol Editor. ...

... 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. ...

The Database of Close Binary Systems . ... Team . ... This web-based interactive database is being developed and maintained by a team at the Sternberg Astronomical Institute of the Moscow State University . The project is an on-line extension of our catalogue on "Highly Evolved Close Binary Stars" (volumes I, II) published by Gordon and Breach in 1996. As of September 2009, the database (both the software and the content) is in its development/testing phase. ...