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Prospects in space-based Gamma-Ray Astronomy for Europe --- Objective of the meeting

Prospects in space-based Gamma-Ray Astronomy for Europe --- Objective of the meeting . Jürgen Knödlseder Centre d’Etude Spatiale des Rayonnements, Toulouse, France. Definition of the ESA program for the period 2015-2025 « … fix on the future science targets of our space community … »

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Prospects in space-based Gamma-Ray Astronomy for Europe --- Objective of the meeting

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  1. Prospects in space-based Gamma-RayAstronomy for Europe---Objective of the meeting Jürgen Knödlseder Centre d’Etude Spatiale des Rayonnements, Toulouse, France

  2. Definition of the ESA program for the period 2015-2025 • « … fix on the future science targets of our space community … » • « … set the agenda for key areas of necessary technological development … » • Past exercises : 1984/5 (Horizon 2000) & 1994/5 (Cosmic Vision 2004-2014) Cosmic Vision 2020

  3. Calendar- april 2004 : call for themes for Cosmic Vision 2020- 1st june 2004 : deadline, ~ 150 proposals received- summer 2004 : definition of themes for Cosmic Vision- 15-16 september 2004 : Cosmic Vision workshop, UNESCO, Paris- 19-21 april 2005 : ESLAB Symposium, ESTEC, Noordwijk- summer 2005 : final report- end of 2005 (?) : first call for mission proposals • Cosmic Vision 2020 themes AWG Other worlds and life in the universe The early Universe The evolving violent universe FPAG Toward quantum gravity Beyond the standard model The gravitational wave universe SSWG From the Sun to the Earth and beyond Tracing the origin of the solar system Life and habitability in the solar system and beyond Cosmic Vision 2020

  4. The input of the gamma-ray community Cosmic Vision 2020 • Hard X and Gamma-ray Polarization : the ultimate dimension(E. Caroli) • MeV Gamma-Ray Science (R. Diehl) • Exploring the hard X-/gamma-ray continuum sky at unprecedented sensitivty (F. Frontera) • Nuclear astrophysics - Gamma-ray Spectroscopy in the MeV Domain (J. Knödlseder) • Probing the high energy universe (F. Lebrun) • Gamma Ray Burst polarization (N. Produit) • Unveiling the High Energy Obscured Universe : hunting collapsed objects physics (P. Ubertini)

  5. 15-16 september 2004 (UNESCO, Paris) Cosmic Vision Workshop • Presentation of the 9 themes • Darwin and XEUS emerge as future « cornerstone-like » missions for astronomy within Cosmic Vision 2020 • The Evolving Violent Universe : subjects (C. Done presentation)- fundamental interactions : gravity (e.g. BH)- fundamental interactions : ultradense matter (e.g. NS)- black holes at high z- supernovae and GRBs- nucleosynthesis and life cycles of matter • Requirements of next generation X-ray observatory (C. Done)- large area (10 m2)- broad bandpass (0.1 - 100 keV)- high spatial resolution (2-5 arcsec)- high spectral resolution (1-2 eV)- fast detectors (µs)- polarimetry

  6. The high-energy roadmap - the AWG vision Cosmic Vision Workshop Only X-ray observatory in view ! ?

  7. Paris Workshop Cosmic Vision 2020 and gamma-rays • So far, gamma-ray astronomy is almost absent in Cosmic Vision 2020- science (C. Done presentation) : « … MeV lines from supernova remnants … » (i.e. nucleosynthesis)- technology (A. Peacock presentation) : « … gamma-ray imager … » (i.e. Laue diffraction lens, L2) • Too many themes ? Too many missions ? Coordination ? ESLAB Symposium • ESA agreed to give a slot to the European gamma-ray community to present their scientific prospects • The ball is now in our field … let’s play it well !!!

  8. Fundamental Physics from Space- space as laboratory for fundamental physics- pioneering gravitational wave astronomy with ESA • Space Astronomy (1)- other worlds and life in the Universe- the formation of planets, stars, and galaxies • Space Astronomy (2)- the energetic universe- the dark side of the universe • Solar System (1)- our understanding of the solar system now and then- from Sun to Earth and beyond : the plasma universe • Solar System (2)- tracing the origin of the solar system- life and habitability in the solar system and beyond ESLAB Symposium

  9. The Energetic Universe ESLAB Symposium • The energetic Universe, Barcons (30 min) • At the frontier of X-ray astronomy, mapping the rotating surface of isolated neutron stars, Caraveo (20 min) • Opening a new window to fundamental physics and astrophysics : X-ray polarimetry, Costa (20 min) • Prospects in space-based gamma-ray astronomy, Knödlseder (20 min)

  10. Workout the scientific key questions of our field The objectives for today Convert these scientific key questions into a mission philosophie ESLAB symposium presentation • Science objectives- The Comptonised Universe (A. Zdziarski)- Nuclear Astrophysics (R. Diehl)- Cosmic accelerators (G. Kanbach) • Mission concepts- Coded mask telescope for gamma-rays (P. Ubertini)- Polarisation measurements (E. Caroli)- Laue lens for hard X-rays (F. Frontera)- Laue lens for gamma-rays (P. von Ballmoos)- Compton-pair telescope (G. Kanbach)

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