The technical memorandum: A Kernel Model for Precision Timekeeping (PostScript) describes an engineering model which implements a precision time-of-day function for a generic operating system. ... The model changes the way the system clock is adjusted in time and frequency, as well as provides mechanisms to discipline its time and frequency to an external precision timing source, such as a pulse-per-second (PPS) signal. ...

I/146 Positions and Proper Motions (Roeser+ 1988) ================================================================================ Catalogue of Positions and Proper Motions Roeser S., Bastian U. =1988A .. ... 449R ================================================================================ ADC_Keywords: Positional data; Proper motions Description: PPM North gives J2000 positions and proper motions of 181,731 stars north of -2.5 degrees declination. ... The mean epoch is near 1931. ...

... Tonight's Sky . ... Observing . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Observing Podcasts . ... Astronomy for Kids . ... U.S. sci-tech position at risk . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... MeadeтАЩs LX90 ACF is a favorite of astronomers making the jump to their first, serious, larger aperture telescope. ... Coronado Accessories . ... Weather Stations . Professional Series . ... Series: Professional Weather Stations . ...

... Required qualifications: BS in Electronics Engineering. ... Required qualifications: BS in Electronics Engineering or Electronics Technology field with three to five years experience in operation, calibration and maintenance of high-voltage equipment or equivalent combination. Supervisory experience required. ... Required qualifications: Bachelor's degree in Computer Science or related field, with more than five but less than seven years experience or equivalent combination. ...

Calvin J. Hamilton received his bachelors and masters degrees in electrical engineering from Brigham Young University. He graduated in 1988, and since that time has pursued his interest of image processing. ... Hamilton's image processing expertise combined with his interest in astronomy led to the creation of Views of the Solar System . ... At that time he found that the Internet lacked quality images and information on astronomical bodies. ... Multiresolution Image Browsers . ...

. This is a new popup window - close it when you are done . Submitted by Paul Valleli on 06/16/2008 13:22:28 . Crane offset position test . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... History . ... Rocket Systems . ... ISS Russian Segment . ... From 1989 to 2014 V.P. Legostaev as Vice-President, First Deputy General Designer headed work under the International Space Projects (The International Space Station and the Sea-Based Rocket and Space Complex Sea Launch), as well as supervises the development of telecommunication satellites and remote sensing satellites, organization of research from board the manned complexes. ...

... So my first bit of babble is presenting.. ... Yes comments such as . ... Consider yourself hit by a snowball. ************************************************************************** send this message to as many people as possible, in the first *INTERNATIONAL E-MAIL SNOWBALL FIGHT!* send it back or to people already listed above. send it to your parents, siblings, politicians, teachers, bullies or anyone else you've wanted to hit with a snowball. have fun. but ... Launch one today! ...

... Space flight . ... Baikonur . ... Space camp . Space Hotel . ... On May 5, 1957 acceptance act of the first launch complex was signed, and as early as on May 6, 1957 the first "R-7" missile was erected on the site. The cosmodrome consists of nine launch complexes with fourteen launchers, thirty-four engineering complexes, three fuelling stations for space vehicles and two aerodromes. ... Services / Baikonur: General description Technical description Shedule of launches Photo gallery Price . ...

... About Laboratory . ... Publications . Grants . Kapustin Dmitry Igorevich . Position: Engineer . About: Dmitry Kapustin was born in Chelyabinsk in 1993. ... In 2015, Dmitry graduated from the university in Applied Mathematics and Physics. ... 2013 - 2015 laboratory assistant . 2015 - present engineer . ... E - mail: kapustindi@issp.ac.ru . PUBLICATIONS > . ... LHPP ISSP RAS © 2013 All rights reserved ...

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A new Advanced Instruments and Engineering Facility will be established on Mt Stromlo, establishing new capability for precision optics manufacture and an expanded research and development program. ... ANU has signed an agreement with commercial aerospace partner Auspace to rebuild the Near-infrared Integral-Field Spectrograph, (NIFS) for the Gemini Observatory in Hawaii. ... This first Australian instrument for the Gemini telescopes is of enormous importance to Australian science and Stromlo staff. ...

... TESIS . ... position: Head of the XRAS Laboratory, TESIS Main Designer and Instrument Manager . ... address: LPI, main building, room 177 . ... tel. (499) 132-65-96 . ... address: LPI, main building, room 173 . ... tel. (499) 135-80-81 . ... address: LPI, main building, room 275 . ... address: LPI, main building, room 173a . ... address: LPI, main building, room 174 . ... address: LPI, main building, room 179 . ... address: LPI, main building, room 180a . ... address: LPI, main building, room 178 . ...

... of the XXVI RadioAstron Meeting . Moscow, 18-20 July 2001 . ... A demonstration of the engineering model of the 10-m space radio telescope (SRT) antenna unfolding, and the engineering models of spacecraft were given by Lavochkin Association (LA). ... The SRT test facilities were inspected at the site of Pushchino Radio Astronomical Observatory. ... the engineering model of SRT antenna with many elements of flight model is manufactured and ready for space qualification tests; . ...

... Coding Theory,Information Theory and Cryptography. ... Associated Professor at the Department of Mathematics, Texas A&M University; . ... Course on Coding Theory for graduate students: Lund University, Sweden (1996, Fall), Pohang University of Science and Technology, Republic of Korea (2000, Spring), INRIA, France(2001, Fall), Moscow Independent University (2002, Spring; 2003-2004) . ... Course on Information Theory for undergraduate students, Moscow Institute of Physics and Technology (MFTI), USSR....

Astronomy Picture of the Day . Spirit Rover at Engineering Flats on Mars . ... Credit Copyright: Mars Exploration Rover Mission , JPL , NASA Explanation: Is it art? ... The picture created was mostly unintentional -- the MERS team was primarily instructing Spirit to investigate rocks in and around Hank's Hollow in a location called Engineering Flats on Mars. ... Publications with keywords: Spirit rover - Mars . Publications with words: Spirit rover - Mars . ... Curiosity on the Move . ...

... Date of positions of observation Reference files of of period for satellites obser- Content liles entry J1 J2 J3 J4 vation Data * Y M D ----------------------------------------------------------------------------------------------------------------------- 1891-1978 1370 1467 1175 1269 phot rel 17 sites Arlot (1982) Content Data - jg0001 01/07/09 1998-1998 2 7 4 3 CCD rel Pulkovo Kisseleva & Izmailov (2000) Content Data - jg0002 01/03/01 1998-1998 3 8 mer abs El Leoncito HISP.- ...

Origin and Dynamic Evolution of Meteor Complexes in the Problem of Asteroid-Comet Hazard . ... The life cycle of a comet and its meteoroid complex from discovery to its last return with no time gap is reconstructed using computer technology. Simulation results of comeraty nucleus disintegration, meteoroid complex and its position in the near solar space with consideration for Keplerian and disturbed motion are analyzed and compared with observational data. ...