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Message SF2A No 480 - 08/08/11


1. Ecole Internationale d’Astrophysique Daniel Chalonge : Support to the James Webb Space Telescope
2. The Daniel Chalonge Medal 2011 has been awarded to Dr John C. Mather
3. Automn school on "Principles of Multi-wavelength High Time Resolution Astrophysics", October 10th-15th 2011, Santa Margherita di Pula, Sardinia, Italy
4. Ecole thématique CNRS : "Systèmes Autogravitants Granulaires", 17-21 octobre, Nice
5. Workshop : "The formation and evolution of intermediate mass black holes : the case of HLX-1 in ESO 243-49", 14-16 September 2011, Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse

1. Ecole Internationale d’Astrophysique Daniel Chalonge : Support to the James Webb Space Telescope

On 22th July 2011, during the 15th Paris Cosmology Colloquium 2011 of the International School of Astrophysics Daniel Chalonge at Paris Observatory, Dr. John Mather, Nobel Laureate 2006 for the outstanding results of the NASA COBE satellite, brilliantly presented the NASA Program James Webb Space Telescope (JWST), the large infrared-optimized space telescope planned to operate from 2018 as the best successor for the Hubble and Spitzer Space Telescopes, with an ambitious scientific programme which ranges from the early universe, first galaxies formation, first light and reionization, star formation, to the protoplanetary and planetary systems and the origins of life. These subjects represent the current frontier of knowledge in modern astrophysics and astronomy and the most interesting new programs in the field.

One of the aims of the Chalonge School is to bring the attention into the new programs which will produce a clearer and deeper understanding of the Universe with both innovative experiments and theory. During the 15th Paris Cosmology Colloquium 2011, the Chalonge School has made the following statement in support to the James Webb Space Telescope : The Ecole Internationale Daniel Chalonge considers that JWST is an exceptional opportunity for the future of astrophysics and astronomy worldwide. The Ecole Internationale Daniel Chalonge recognizes the outstanding scientific value of the JWST project, its potentiality and worldwide impact and strongly supports its development and successfull completion.

Norma G. Sanchez (1) , Héctor J. de Vega (2), Maria Cristina Falvella (3) , Alba Zanini (4)

(1) Director of the International Daniel Chalonge School, CNRS, Observatoire de Paris, France. (2) CNRS, University Pierre & Marie Curie, Paris, France. (3) Italian Space Agency HQ, Rome, Italy. (4) Istituto Nazionale di Fisica Nucleare (INFN), Turin, Italy

To know more on The James Webb Space Telescope, visit the following websites :
- http://www.jwst.nasa.gov/
- http://www.chalonge.obspm.fr/Paris11_Mather.pdf

2. The Daniel Chalonge Medal 2011 has been awarded to Dr John C. Mather

The International Astrophysics School Daniel Chalonge has awarded the Daniel Chalonge Medal 2011 to Dr. John C. Mather, Nobel Laureate 2006 for the outstanding results of the COBE satellite, and present Senior Project Scientist for the James Webb Space Telescope.

The medal was awarded to John Mather for his huge contribution to modern cosmology, in particular for his outstanding effort in promoting and leading key missions as the COBE satellite and now the JWST, deeply discussed in the frame of the Chalonge School and the training and formation of young physicists and astrophysicists. He also contributed to the National Academy of Sciences and the NSF (for the ALMA, the Atacama Large Millimeter Array, and for the CARA, the Center for Astrophysical Research in the Antarctic).

The medal was presented to John Mather on 22th July 2011 during the Open Session of the 15th Paris Cosmology Colloquium 2011 at the Observatoire de Paris HQ in the Cassini Hall, on the meridian of Paris, which was attended by about hundred participants from the world over, among them three laureate of the Chalonge Medal : George Smoot, Nobel laurate of physics, Anthony Lasenby and Peter Biermann. John Mather brilliantly presented the JWST Program, planned to operate from 2018 as the best successor for the Hubble and Spitzer Space Telescopes. The Chalonge Medal represents too a warm aknowledgement and support to Dr. John Mather present and future activities in the JWST

See the announcement, full history, photo gallery and links in this PDF document as well as at this website.

Transmis par Norma G. Sanchez

3. Automn school on "Principles of Multi-wavelength High Time Resolution Astrophysics", October 10th-15th 2011, Santa Margherita di Pula, Sardinia, Italy

The aim of the school is to give advanced courses in the scientific objectives of High Time Resolution Astrophysics (HTRA) as well as the techniques used to take and reduce HTRA observations, from radio to gamma-rays. The school program also includes a one-two day tutorial and practical session on the analysis of multi-wavelength HTRA data. The target audience will be primarily first and second year PhD students. Participation will be limited to forty students.

The school will be held in Santa Margherita di Pula near Cagliari, Sardinia (Italy) from the 10th to 15th of October 2011. The school will be partly funded by the Opticon High Time Resolution Astrophysics (HTRA) network and is co-organised with the Cagliari Astronomical Observatory and the University of Cagliari.

Further details on the School program, registration, accommodation, and travel logistics are being provided from the school web page.

Important deadlines :
- Student registration deadline : August 31 2011 ;
- Hotel réservation deadline : August 27 2011.

Transmis par Christian Gouiffès

4. Ecole thématique CNRS : "Systèmes Autogravitants Granulaires", 17-21 octobre, Nice

Nous avons le plaisir de vous annoncer la tenue de l’école thématique CNRS (INSU-INSIS) Systèmes Autogravitants Granulaires. Elle se déroulera cet automne du 17 au 21 octobre à la Maison du séminaire à Nice.

Le site de cette école est accessible à cette adresse.

Quatre grands axes sont développés dans cette école interdisciplinaire (sciences planétaires et milieux granulaires) : modèles et outils numériques ; aspects mathématiques ; planétologie ; modèles physiques et expérimentations. Cette école est ouverte à tous les chercheurs, doctorants, post-doctorants, etc., concernés par le sujet.

Renseignements et pré-inscriptions avant le 12 septembre sur ce site.

Le nombre de place est limité !

Les organisateurs : L. Staron (IJLRA/UPMC), P. Tanga (Cassiopée/OCA), A. Albouy (IMCCE/Obspm), D. Hestroffer (IMCCE/Obspm)

Transmis par Daniel Hestroffer

5. Workshop : "The formation and evolution of intermediate mass black holes : the case of HLX-1 in ESO 243-49", 14-16 September 2011, Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse

Observations have established two varieties of black hole : stellar mass ( 3-20 solar masses) and supermassive ( 1e6-9 solar masses) black holes. The stellar variety are formed from the collapse of massive stars, but how the supermassive ones form is unclear. It maybe from mergers of intermediate mass black holes ( 1e2-1e5 solar masses), but observational evidence for these objects has been weak. HLX-1 in ESO 243-49 has a minimum mass of 500 solar masses, derived from its maximum X-ray luminosity of 1.1e42 ergs s-1 (0.2-10.0 keV) and the conservative assumption that this value exceeds the Eddington limit by at most a factor of 10. It is therefore a very strong intermediate mass black hole candidate.

Two years on from this discovery, and with an aim to comprehending this source, a wealth of multi-wavelength data has been accumulated. We propose a 3 day workshop to discuss the intermediate black hole nature, the origin of the observed X-ray lightcurve, the evidence for jets from this source, the environment in which HLX-1 is found and the factors leading to its birth.

Website : HERE.

Transmis par Natalie Webb

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