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Topic: International Astronomical Union


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In the News (Mon 22 Apr 19)

  
  ICRS Narrative   (Site not responding. Last check: 2007-10-07)
The previous astronomical reference system was based on the equator and equinox of J2000.0 determined from observations of planetary motions, together with the IAU (1976) System of Astronomical Constants and related algorithms [1].
International Celestial Reference Frame (ICRF) is a catalog of adopted positions of 608 extragalactic radio sources observed with VLBI, all strong (>0.1 Jy) at S and X bands (wavelengths 13 and 3.6 cm) [9].
At the subsequent IAU General Assembly in 2000, Resolution B1.2 [8] restricted the number of Hipparcos stars that would be considered part of the optical realization of the ICRS.
aa.usno.navy.mil /faq/docs/ICRS_doc.html   (4516 words)

  
 Powell's Books - Molecules in Astrophysics: Probes and Processes by International Astronomical Union
Astronomers, physicists, and chemists discuss the use of molecules as probes of astrophysical parameters, explore their role in the evolution of astronomical objects, and study the basic chemical processes that occur in space, in these papers from the July 1996 conference.
This book brings together astronomers, physicists and chemists to discuss the use of molecules as probes of astrophysical parameters, explore their role in the evolution of astronomical objects, and study the basic chemical processes that occur in space.
This text brings together astronomers, physicists and chemists to discuss the use of molecules as probes of astrophysical parameters, explore their role in the evolution of astronomical objects, and study the basic chemical processes that occur in space.
www.powells.com /biblio?isbn=079234538x   (531 words)

  
 U.S. National Committee for the International Astronomical Union   (Site not responding. Last check: 2007-10-07)
IAU activities range from the definition of fundamental astronomical and dynamical constants and unambiguous astronomical nomenclature, rapid dissemination of new discoveries, organization of international observing campaigns, and promotion of educational activities in astronomy to early informal discussions of possible future international large-scale facilities.
In addition, the IAU sponsors about a dozen symposia and colloquia each year; the Proceedings of these meetings are published under the auspices of the IAU as important records of the status of their scientific fields.
The IAU is also active in promoting astronomical education and research in countries where astronomy is not yet fully developed through the IAU International Schools for Young Astronomers, Teaching for Astronomy Development, and other programs carried out in concert with other international organizations.
www7.nationalacademies.org /usnc-iau/About_USNC_IAU.html   (666 words)

  
 Australian appointed president of International Astronomical Union
The IAU, founded in 1919, is the internationally recognised authority overseeing the science of astronomy.
Its individual members are professional astronomers all over the world, at PhD level or beyond, and active in professional research and education in astronomy.
He was Chairman of the International Union of Radio Science Commission on Radio Astronomy from 1990-1993, Pawsey Lecturer during 1990, Oort Professor (Leiden) in 1997, and in 2001 was Miller Professor (Berkeley).
www.govertschilling.nl /nieuws/archief/2003/0307/030724_iau.htm   (480 words)

  
 Call for Proposals - International Astronomical Union   (Site not responding. Last check: 2007-10-07)
The programme is designed to support both the work of young astronomers and established astronomers whose visits may benefit the country or institution visited.
Acknowledgement of support from the Exchange of Astronomers Programme of the IAU should be made in any published paper resulting from the visit.
Application procedure 1.An individual who wishes to apply for a grant under the IAU Exchange of Astronomers Programme should read the rules carefully to ensure that the circumstances of her/his case conform to the conditions under which IAU grants can be made.
www.biu.ac.il /RA/www/rserch/calls/calls/iaunone.html   (1088 words)

  
 The International Astronomical Union, IAU-Technical Workshop   (Site not responding. Last check: 2007-10-07)
Organized by IAU Commission 50 (Protection of Existing and Potential Observatory Sites), the meeting was held between 13th and 17th November in Marrakech University, Morroco.
The goal of the meeting was to assess the state of the art with regard to astronomical site testing in the visible, IR and radio ranges.
This international meeting was a large success due to its number of participants (120), their scientific quality and finally to the large number of nations they represented (26).
www.jb.man.ac.uk /iaucom50/moroccorep.html   (579 words)

  
 International Astronomical Union (IAU)
With over 8,300 individual members and 66 Adhering Countries, the IAU plays a pivotal role in promoting and coordinating worldwide cooperation in astronomy.
The scientific and educational activities of the IAU are organized by its 11 Scientific Divisions and, through them, its 40 more specialized Commissions covering the full spectrum of astronomy, along with its 70 Working and Program Groups.
The long-term policy of the IAU is defined by the General Assembly and the focal point of its activities is the permanent IAU Secretariat at Institut d'Astrophysique in Paris, France.
www.daviddarling.info /encyclopedia/I/IAU.html   (195 words)

  
 International Astronomical Union Information Bulletin
Since that time the Union has devoted itself to this purpose and its reputation is such that most of the international cooperation in astronomy is conducted through the IAU.
The Union is very diverse in character and its scientific activity is reflected in the work of its 11 divisions, 40 commissions, and many working groups which refer to all phenomena in outer space.
Many other meetings are co-sponsored with other international, scientific Unions and Committees within the structure of the International Council of Scientific Unions (ICSU).
gort.ucsd.edu /newjour/i/msg02381.html   (131 words)

  
 The International Astronomical Union, Near Earth Objects (NEOs)
It is therefore the policy of the IAU that its recommendations should rest on well-established scientific facts and be backed by a broad consensus in the community concerned.
This should not be interpreted to imply that the outcome of such discussions may become official IAU policy without due verification that the above criteria are met: The policy and decisions of the IAU are formulated by its responsible bodies after full deliberation in the international scientific community.
The IAU is integrated in the international scientific community through its membership of the International Council for Science (ICSU) and represents astronomy in committees of the UN and other international organizations.
www.aas.org /policy/1999/PlutoPR.html   (562 words)

  
 International Astronomical Union   (Site not responding. Last check: 2007-10-07)
The Netherlands is a member of the IAU since 1922 and several Dutch astronomers have served as members of the IAU board.
The last IAU president from the Netherlands was Lo Woltjer.
The present IAU Assistant General Secretary is Dr. Karel van der Hucht (Utrecht).
www.strw.leidenuniv.nl /blufguide/node40.html   (70 words)

  
 International Astronomical Union Talk
The astronomical community must become much more involved if we are to preserve the quality of our nighttime skies, both for research and for the public.
It is a problem both for astronomers and for the general public, most of whom really enjoy the beauty of the night skies.
We waste an astronomical amount of energy and money by all this bad lighting, shining it where it is not needed or wanted (including up into the sky) and by using energy inefficient light sources and lighting designs.
www.darksky.org /papers/iau_lp_1.html   (1518 words)

  
 Discover: Name That Star! - a person's experiences at the International Astronomical Union   (Site not responding. Last check: 2007-10-07)
Soon names were needed to keep all of the celestial objects straight--Mars, Jupiter, Betelgeuse, Shoemaker-Levy--and eventually an international body, the International Astronomical Union, was needed to record the names.
By and by; this body divided itself into various sub-bodies, various committees, teams, and task groups, each one responsible for approving and rejecting names of cosmic elements according to their class and a widening body of rules: So many sub-bodies and rules came about that at last an individual was appointed to remember them all.
An astronomer spots a new comet or asteroid, proposes a name, and sends it to Marsden, who navigates the channels of onomatology--the science of nomenclature bylaws and regulation--and returns with thumb up or thumb down.
www.findarticles.com /p/articles/mi_m1511/is_2_21/ai_59164984   (1464 words)

  
 Australian Elected International Astronomical Union President
The IAU headquarters are in Paris but Professor Ekers will remain based in Australia.
He was Chairman of the International Union of Radio Science Commission J from 1990-1993, Pawsey Lecturer 1990, Oort Professor 1997.
Professor Ekers says his appointment is a good opportunity to increase Australia's international visibility in the field of astronomy.
www.spacedaily.com /news/iau-00a.html   (664 words)

  
 International Astronomical Union   (Site not responding. Last check: 2007-10-07)
The scientific and educational activities of the IAU are organized by its 12 Scientific Divisions and, through them, its 37 more specialized Commissions covering the full spectrum of astronomy, along with its 90 Working and Program Groups (or equivalent).
The long-term policy of the IAU is defined by the General Assembly and implemented by the Executive Committee, while day-to-day operations are directed by the IAU Officers.
The focal point of its activities is the permanent IAU Secretariat, located at the Institut d'Astrophysique of Paris, France.
www.iau.org   (349 words)

  
 The International Astronomical Union (IAU)   (Site not responding. Last check: 2007-10-07)
Announcement of Opportunity for Hosting the 2012 IAU GA IAU General Assemblies are held every three years.
These are major events attracting roughly 2,000 astronomers, with associated symposia and specialist meetings.
General information on IAU meetings and procedures can be found at www.iau.org/IAU/Activities/meetings/meetrules.html.
www.casca.ca /Links/IAU/IAU.html   (176 words)

  
 USNC for the International Astronomical Union: Home Page
The IAU, through its 11 Scientific Divisions and 40 Commissions covering the full spectrum of astronomy, plays a key role in fostering international collaborations.
The U.S. National Committee (USNC) for IAU represents the interests of the U.S. astronomical community and safeguards the intellectual vigor of the Union.
The International Visitors Office, at the National Academies, provides information on the visa process for scientists coming to the United States for meetings or exchange programs.
www7.nationalacademies.org /usnc-iau   (205 words)

  
 The International Astronomical Union
In all known cases the IAU has served written notice to the company in question that all such references to the IAU are illegal and must cease immediately.
The IAU will appreciate being informed, with appropriate documentation, of all cases of illegal use of its name, and will pursue all such abuse by all available means.
Terrestrial makers of international law have so far had more urgent concerns than creating rules for "buying" totally inaccessible corners of infinite space, so there is no written text that can be twisted and interpreted - just a plain and practical fact.
www.astro.livjm.ac.uk /courses/one/NOTES/IAU.HTM   (1020 words)

  
 IAU Comm. 22 (meteors, dust)   (Site not responding. Last check: 2007-10-07)
International Meteor Conference IMC '98 in Stara Lesna, High Tatra Mountains, Slovakia from August 20 to August 23, 1998.
IAU Colloquium 173 Evolution and Source Regions of Asteroids and Comets, 24-28 August, 1998, Tatranska Lomnica, Slovak Republic, http://www.ta3.sk/~ne/iau173
This page is maintained for the IAU Commission 22 by Ingrid Mann,Melanie Köhler and Manuel Ahmedi.
ifp.uni-muenster.de /iau/menu.html   (221 words)

  
 ESO Press Release 21/03
Ron Ekers, the new President, in front of the ESO stand at the General Assembly of the International Astronomical Union in Sydney.
The General Assembly of the International Astronomical Union (IAU), meeting in Sydney (Australia), has appointed the ESO Director General, Dr. Catherine Cesarsky, as President Elect for a three-year period (2003-2006).
The IAU is the world's foremost organisation for astronomy, uniting almost 9000 professional scientists on all continents.
www.eso.org /outreach/press-rel/pr-2003/pr-21-03.html   (488 words)

  
 WGNEO   (Site not responding. Last check: 2007-10-07)
The IAU Working Group on NEOs (WGNEO) is sponsored jointly by Division I and Division III.
The most recent IAU WGNEO Public Statement was issued 2004 December 30.
IAU Working Group on NEOs of IAU Division III and the IAU Minor Planet Center.
web.mit.edu /rpb/wgneo   (277 words)

  
 International Astronomical Union (IAU) : Commission 41 (History of Astronomy)   (Site not responding. Last check: 2007-10-07)
International Astronomical Union (IAU) : Commission 41 (History of Astronomy)
The International Astronomical Union (IAU) was founded in 1919 to promote the science of astronomy through international cooperation.
Commission 41 (History of Astronomy) was created at the 1948 General Assembly, with Otto Neugebauer as its first President.
www.astro.uni-bonn.de /~pbrosche/iaucomm41   (68 words)

  
 Buying a Star: the Facts   (Site not responding. Last check: 2007-10-07)
The International Planetarium Society's Guidelines on Star Naming SELLING STAR NAMES The star names recognized and used by scientists are those that have been published by astronomers at credible scientific institutions.
The Supernova of 1987 (Supernova 1987A), one of the major astronomical events of this century, was identified with the star named SK -69 202 in the very specialized catalog, the _Deep Objective Prism Survey of the Large Magellanic Cloud_, published by the Warner and Swasey Observatory.
These procedures and catalogs accepted by the International Astronomical Union are the only means by which stars receive long-lasting names.
www.astro.wisc.edu /~dolan/constellations/StarNaming.html   (677 words)

  
 International Astronomical Union Symposium 195 - Proceedings   (Site not responding. Last check: 2007-10-07)
Despite the reasonable values for these parameters, a large rate of injection of waves is needed to compensate the damping of the waves.
Affil: Department of Physics, Montana State University, Bozeman, MT Abstract: Accretion flows onto compact astronomical sources are likely to be supersonic, and shock waves may therefore be common in such flows.
The comparison of numerical simulations of these jets with observations provides deeper insight into the SS433/W50 system and is ideal for testing our understanding of the jet phenomenon in general.
solar.physics.montana.edu /IAU/ABSTRACTS/II.html   (2881 words)

  
 ASP: IAU Publications
From 1998 - 2004 the ASP served as publisher for the International Astronomical Union (IAU), with the addition of their Symposia, Highlights, and Transactions.
Published twice-yearly by the ASP, the IAU Information Bulletin is mailed directly to all IAU Members and available in pdf form at the IAU website after publication.
Proceedings of IAU meetings held since 2004 will be published by Cambridge University Press and will be available on the web site http://journals.cambridge.org/jid_IAU
www.astrosociety.org /pubs/cs/iau.html   (149 words)

  
 IAU / FAQ / Naming Stars   (Site not responding. Last check: 2007-10-07)
In the past, certain such enterprises have suggested to customers that the IAU is somehow associated with, recognizes, approves, or even actively collaborates in their business.
The IAU wishes to make it totally clear that any such claim is patently false and unfounded.
The IAU will appreciate being informed, with appropriate documentation, of all cases of illegal abuse of its name, and will pursue all documented cases by all available means.
www.iau.org /IAU/FAQ/starnames.html   (1530 words)

  
 INTERNATIONAL ASTRONOMICAL UNION   (Site not responding. Last check: 2007-10-07)
According to these new statutes and by-laws of the IAU, each Division will be responsible for suggesting to the IAU Executive Committee whether to create, continue or terminate a Commission.
The Divisions of the Union shall pursue the scientific objects of the Union within their respective fields of astronomy.
Members of the Union,, appointed by the Organising Committee, in recognition of their special experience and interests, subject to confirmation by the Organising Committee of the Division.
danof.obspm.fr /iaudiv1/IAUStat03draft.html   (823 words)

  
 Resolutions of the 24th International Astronomical Union General Assembly   (Site not responding. Last check: 2007-10-07)
that Resolution B2 of the XXIIIrd IAU General Assembly (1997) be amended by excluding from the optical realisation of the ICRS all stars flagged C, G, O, V and X in the Hipparcos Catalogue, and
Uncertainties in the values of astronomical quantities may induce larger errors in the formulas.
The position of the CEO can be computed from the IAU 2000A model for precession and nutation of the CIP and from the current values of the offset of the CIP from the pole of the ICRF at J2000.0 using the development provided by Capitaine et al.
danof.obspm.fr /IAU_resolutions/Resol-UAI.htm   (3047 words)

  
 Spaceflight Now | Breaking News | Orphaned star clusters roam the Universe
US and UK astronomers have discovered a population of previously unknown star clusters in what was thought to be the empty space between galaxies.
The research is being presented at the International Astronomical Union's 25th General Assembly being held in Sydney, Australia by Dr. Michael West of the University of Hawaii.
Although the lonely existence of such star clusters had been predicted for half a century, it is only now that astronomers have finally been able to confirm their existence.
spaceflightnow.com /news/n0307/17orphan   (807 words)

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