Armagh Observatory, 16 January 2002: . Apostolos Christou and John McFarland have made the first detection, from anywhere in Ireland, of the shadow cast by a star of an asteroid as it passed over Armagh. Such events, known as asteroidal occultations, allow a precise fix to be made on the asteroid's position in space, and also an estimate of its size and shape. ... Asteroids are mostly small, rocky objects, lying hundreds of millions of miles from the Earth between Mars and Jupiter. ...

... Also introduces systems of time-keeping, e.g. local solar time, time zones, universal time and the international date line. ... This lesson plan supplements: "Latitude and Longitude," section #5: on disk Slatlong.htm , on the web . ... Declination is measured from the north pole, not from the equator (the way co-latitude is defined) . ... In this case, it is the line of latitude 49 degrees. ... How long is one minute of arc along a line from the pole to the equator (line of longitude)? . ...

... The exact directions of the offsets are parallel to the rows and columns of the CCD on which the aperture is specified. ... It is often useful to explicitly specify the desired rotation of the WFPC2 field-of-view on the sky. ... Figure 7.8 shows the CCD orientation and aperture locations relative to the U3 axis. ... Obtain the Position Angle (PA) of the source axis on the sky, measured in the standard way, North through East. ... desired source angle in field-of-view measured CW from +U3 axis) . ...

... connection points . ... The point P3 is the connection between the horizontal and vertical actuators and is the axis of rotation for the tail gunner motion. processing: survey/020204/reduc We can compute P3,P5 (the moveable points) in dome centerline coordinates if we have the actuator distances and we know the positions of the above connection points in dome centerline coordinates for a given position of the tertiary (say the nominal focus position).(see actuator distances to dome centerline ). ...

Program: TRACE Purpose: TRACE plots image values at user given positions as function of distance to a plot centre (in 2-d (sub)sets). Category: ANALYSIS, PLOTTING File: trace.c Author: M.G.R. Vogelaar Keywords: INSET= Give set (, subset): Only one subset is allowed. ... XYBOX= Give size of box around one pixel: [3,3] The resulting value at a selected position is an average of the pixels in the defined box around that position. ... POSITION= Give position x, y: Physical values are allowed. ...

... Bojan Nikolic web pages (r. 329) . Galaxy Evolution . ... By comparing narrow band spectral line indices with recent models of simple stellar populations (SSPs) we investigate trends in the star formation history as a function of galaxy mass (velocity dispersion), density of environment and galactic radius. ... MJD of the SDSS observation of the galaxy . ... The history of star formation and mass assembly in early-type galaxies . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

... Dubna (24-28, 01,2005); . ... Representation Theory and Quantum Inverse Scattering Method: The Open Toda Chain and the Hyperbolic Sutherland Model, (together with A. Gerasimov, S. Kharchev), International Mathematical Research Notices (2004), no.17, 823--854. arXiv:math.QA/0204206; Preprint MPI. ... On a class of representatios of quantum groups (together with A. Gerasimov, S. Kharchev and S. Oblezin) Contemporary Mathematics v. 391 (2005) 101--110. arXiv:math.QA/0501473 Preprint MPI 2005(17); . ...

... Activity 3: Measuring the Position of the Sun in the Sky . Purpose: To give students the opportunity to measure the position of the Sun in the sky using simple tools and methods. ... Alternatively, you may have students devise their own methods of relative measurement and apply them to measuring the position of the Sun in the sky. ... Rangi is the sky, and when the Sun is near Rangi's head it is summer in New Zealand. ... Read the Maori story to students. ... back to Teachers' Newsletter Main Page ...

... We measured these galaxies individually, and they are distinguished in our list by the suffixes a, b, c,... in order of increasing J2000 right ascension. ... The first column contains the UGC catalog number, to which we have added lower-case suffixes a, b, c,\dots in order of increasing J2000 right ascension to distinguish individual galaxies in groups. ... The third column lists the degrees, arcminutes, and arcseconds of J2000 declination plus the rms uncertainty in arcseconds. ...

... Attitude sensors measuring the station attitude; . ... Consolidated study of the ISS dynamic characteristics; parameters defining a space position of scientific devices and attitude sensors with respect to the station hull deformation; parameters of magnetic and microgravity disturbances on board the station. ... Specify dynamic parameters of the station, position of sensitive axes of the attitude sensors and devices, microgravity and magnetic disturbances. ... UNIVERSAL SPACE PLATFORM | ...

... Pre-university education . ... SSAU History . ... Webometrics presented an updated version of the world ranking of universities, which assesses the presence of universities in the Internet. ... Among 22 thousand universities ranged by Webometrics experts, SSAU occupies the 38th place among Russian universities, and the 2406th position in the overall rankings. Just in one year the Aerospace University rose immediately on 1379 points in the global rating and on 48 in the Russian part of the list. ...

... Credit Copyright: Julian Wessel Explanation: From low Earth orbit to the outer Solar System, this remarkable video frame composite follows the International Space Station's transit of Saturn. ... That put the camera about 1,140 kilometers away from the space station during the transit and 1,600,000,000 kilometers away from Saturn . ... Of course, you could also try to capture the International Space Station as it transits Jupiter . January . ... Publications with keywords: ISS - Saturn - transit . ...

... MAO main . ... Scholarships and Academic Positions in Australia - Several fields http://t.co/vZblTwU7mF . ... Тема: Scholarships and Academic Positions in Australia - Several fields t.co/vZblTwU7mF . ... Scholarships and Academic Positions in Australia - Several fields t.co/vZblTwU7mF . ... Scholarships and Academic Positions . ... Scholarships and Academic.. ... Scholarships and Academic Positions in #Canada - International Doctoral Students t.co/Xuqq0U5QGC . ...

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. ...

... Science User Portal . Subscribe Contact Site Map . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Galaxies . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... This map of a section of the Universe shows the positions of many thousands of galaxies that were measured as part of the VIPERS survey with ESOтАЩs Very Large Telescope. ... ESO/L. Guzzo/VIPERS survey . ...

... participations . in IAO . ... 1996 . ... Participation permitted in both a and b groups . Participation permitted in b group only . Participation not permitted . ... Dr. Michael G. Gavrilov, Founding Chairman of the International Astronomy Olympiad, . ... Academician Ossipyan street 2, 142432 Chernogolovka, Moscow region, Russia. URL: http://www.issp.ac.ru/iao/2015/ . ...

Contents. planet: 5 - Jupiter satellites: J1-Io : 367, J2-Europe : 442, J3-Ganymede: 505, J4-Callisto: 533 total number: 1847 type: absolute dates: 2000-2012 observatory: 689 - Flagstaff Reference. Stone, R.C., and Harris, F.H. (2000), CCD Positions Determined in the International Celestial Reference Frame for the Outer Planets and Many of Their Satellites in 1995-1999 The Astronomical Journal, v. 119, p. 1985-1998. ... Year of the moment of observation 2. ... Hour of right ascension (alpha, h) 8. ...

... 2001 April 30 . Approaching the International Space Station . Credit: STS-100 Crew , NASA . Explanation: Earlier this month the crew of the US Space Shuttle Endeavor took in this view as they approached the developing International Space Station (ISS). The Endeavor and ISS crew installed Italy 's Raffaello, a Multi-Purpose Logistics Module and successfully deployed Canada 's Canadarm2 , a robot remote-controlled arm that can move about the outside of the station . ... About APOD | ...

. Computer Ephemeris. Lunar equatorial positions. Explanations. Each row contains at 0 h and 12 h of Time Dynamical Terrestrial: month, day, apparent right ascension (hours, minutes, seconds), apparent declination (degrees, minutes, seconds of arc) and geocentric distance (in Earth's radii).

Astronomy Terms - To Help You Study The Universe . Articles | ... Learning about the universe, or the study of astronomy, can be fun for the individual or for the whole family. ... Learning a few simple terms will help you with this fascinating study. ... You will use a telescope or binoculars for your observation of the sky at night. ... Celestial Terms . ... Meteor or a shooting star – the light caused when a meteoroid burns up in Earth's . ... www.astronomy.net . About Astronomy Net | ...