... Cycle 20 Phase II Proposal Instructions . HST Phase II Proposal Instructions for Cycle 20 > Chapter 12: Cosmic OriginsSpectrograph (COS) > REFERENCE INFORMATION > 12.17 COS Coordinate System . ... Knowledge of the COS coordinate system relative to the spacecraft coordinate system is necessary to use the POSition TARGet <X-value>,<Y-value> Special Requirement properly. The figure below shows the sense of the U2 and U3 axes relative to the COS apertures. ...

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• STIS Coordinate System
• Mode = POSConfig = FGS
• Index

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

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• SAI SN RESEARCH GROUP
• Evgeny Rodichev home page

... The experience of determination of the link between radio sources and dynamical reference frames is presented. To obtain this connection we used a series of very long baseline interferometry (VLBI) observations of the spacecraft Phobos-2 and angularly nearby quasars. ... The dynamical reference frame is determined by equator and equinox of these ephemerides. ... References . ... The relative orientation of the radio and dynamical reference frames can be described by a sequence of three rotations . ...

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Start Data Acquisition - Selected Wavelengths - 22/Apr/2014 16:06:46.063 Observation Type - Target Images - 22/Apr/2014 16:06:46.088 22/Apr/2014 16:06:48.128 Begin Iteration #1 of 2 - Number of Frames : 17 - 22/Apr/2014 16:06:48.144 Filter : 6563 (Position 3) | ... Acquisition Time : 22/Apr/2014 16:06:48.273 | ... ExpTime (sec) : 0.030 | Stokes : I Filter : 6563 (Position 3) | ... Stokes : I Begin Iteration #2 of 2 - Number of Frames : 17 - 22/Apr/2014 16:06:50.942 Filter : 6563 (Position 3) | ...

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• http://www.arcetri.astro.it/~gcauzzi/SOLARNET/SN.2014.1.05/22Apr2014/spectral/TargetImages/20140422_161603/log_20140422_161603.txt
• http://www.arcetri.astro.it/~gcauzzi/SOLARNET/24_april_2014/ibis/GridImages/20140424_181027/log_20140424_181027.txt
• http://www.arcetri.astro.it/~gcauzzi/SOLARNET/24_april_2014/ibis/GridImages/20140424_180337/log_20140424_180337.txt

... A document window is shown, with 8 lines (numbered 1 to 8), each 24px high. The text of the "outer" box (at the end of line 1, halfway into line 2, and halfway into line 3) is shifted upward 12px. The text of the "inner" box, thought shifted upward as well, has been relatively positioned so that it lies in its normal flow position at the end of line 2. ... The lines, as they appear in the image, contain: Start 1 Beginning of body contents. 2 of outer contents. Inner contents. ...

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• Dynamic HTML in Communicator
• Long description for example illustrating positioning with respect to a
• Long description illustrating absolute positioning with respect to the initial

Joshua Tusin, Director of Public Relations for JYI , sent us the following description of the journal. ... Feature Editors . ... Inquire with the Director of Public Relations, Joshua Tusin, by e-mailing him at: tusin@jyi.org . The Journal of Young Investigators ( JYI , www.jyi.org) is an on-line science journal dedicated to publishing excellent undergraduate research papers and feature-type science articles covering all fields of science. ... Journal of Young Investigators (http://www.jyi.org) . ...

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• The AstroStat Slog GLAST
• The AstroStat Slog Blog Archive SLAC Summer Institute
• The AstroStat Slog Summer Institute

... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...

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• XSKYMAP 2: A Multi-Catalog Visualization Facility
• NICMOS Related Software Development at the ST-ECF
• NICMOS Calibration Pipeline: Processing Associations of Exposures

... Determination of the direction towards the center of the Sun’s visible disc relative to spacecraft axes. ... The direction to the Sun is computed in the instrument coordinate system relative to the pixels' position on the linear CCDs, illuminated with the light passing through the coding mask. ... less than 0.1 deg./s                                        3 arcmin . ... Field of view, deg . in the plane OXZ                                           –60…+60° . ... Optical Solar Tracker (OSD) . ...

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• INTERBALL IB_TAIL April 2000 during operation scheduling
• INTERBALL IB_TAIL October 1999 during operation scheduling
• IB_MAG5 March 2000 during operations scheduling

A typical radio dataset might be a 3-dimensional "cube" named AURORA, with axes RA, DEC and FREQ. ... These can be specified by giving the axis name(s) and grids for each subset. For instance, AURORA specifies the whole 3-dimensional ``cube''; AURORA FREQ 3 specifies the subset FREQ=3 (i.e. the RA-DEC plane at FREQ grid 3) of the set AURORA. ... Specifying only the axis name, and no grids, selects all subsets along that axis: AURORA FREQ selects all RA-DEC planes in AURORA. ... axis centre. ...

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• Plotter Annotations
• The Local Volume HI Survey (LVHIS)
• Coordinate word manipulation

Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...

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• http://selena.sai.msu.ru/Rod/Publications/ms38/ms015.pdf
• Родионова Жанна Федоровна

... В четверг, 14 апреля 2016 г., состоится семинар кафедры астрофизики. Повестка дня . ... Начало в 11 час.15 мин. Ауд. ... В четверг, 31 марта 2016 г., состоится семинар кафедры астрофизики . ... В четверг, 24 марта 2016 г. , состоится семинар кафедры. ... В четверг, 17 марта 2016 г. , состоится заседание кафедры. ... ОСП НИИ ПММ Национального исследовательского Томского государственного университета) . ... Copyright 2016 Астрономия в Санкт-Петербургском университете . ...

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• Database of Optical Constants -- Level: welcome

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• Project SUBMILLIMETRON
• Description of the RadioAstron project, english version

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Green ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... Astronomers have detected a new faint companion to the star HD 3651, already known to host a planet. ... The separations (top) and position angles (bottom) of the companion with respect to the host star is shown here over a three year period. ... Related releases: . ...

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• A visual tour
• The Relative Position of the Companion to HD 3651 | ESO Ireland
• The Relative Position of the Companion to HD 3651 | ESO Australia

... The Armagh Observatory (see http://star.arm.ac.uk/) is a modern astronomical research institute, the oldest scientific institution in Northern Ireland. ... The Observatory Demesne, Grounds and Astropark, which are developed and maintained by Observatory staff, include scale models of the Solar System and the Universe, two sundials and two historic telescopes, as well as telescope domes and other outdoor exhibits (see http://star.arm.ac.uk/astropark/). ...

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• Armagh Observatory
• New TSN Action Plan
• G. New TSN Action Plan

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• Astronomy Plus CCD Images of Galaxies

. home . product . gallery . contact .

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ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

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... 8, ``Celestial Mechanics'', 2002 Precision increase for the theory of relative motion of a satellite's pair K. V. Kholshevnikov Astronomical Institute of St.Petersburg State University, and Institute of Applied Astronomy, St.Petersburg, Russia Modern higher--precise theories of motion of special Artificial Earth Satel­ lites (geodetical, navigational) consider all forces which one may describe with at least 30% precision, including so exotical ...

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• IPA RAN
• Keywords_98
• Keywords_27

... Credit Copyright: NASA , JPL-Caltech Explanation: What is humanity's most distant spacecraft? Launched in 1977, Voyager 1 now holds that distinction at 17.5 billion kilometers from the Sun. ... This graphic shows the position of Voyager 1 relative to the outer solar system (top and side views) along with other distant spacecraft contenders. Next most distant, Pioneer 10 is about 15.4 billion kilometers from the Sun, though on the opposite side of the solar system from Voyager 1. ...

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• Farther Along
• XWare > APOD

Contents. planet: 5 - Jupiter satellites: J1 - Io : 10, J3 - Ganymede : 15, J4 - Callisto : 6 total number: 31 type: relative dates: 1997-1997 observatory: see observatories list in the relevant article. ... Emelianov N. V., Vashkovjak S. N. (2009) Astrometric results of the observations of the mutual occultations and eclipses of the Galilean satellites of Jupiter in 1997. ... Position angle A in degrees (topocentric for mutual occultation or heliocentric for mutual eclipse) 10. ...

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• jg0036
• jg0028
• ji0012