Prospects in space-based Gamma-RayProspects in space-based Gamma-RayAstronomy for EuropeAstronomy for Europe

------Objective of the meeting Objective of the meeting

Jürgen KnödlsederCentre d’Etude Spatiale des Rayonnements, Toulouse,

France

Cosmic Vision 2020Cosmic Vision 2020• Definition of the ESA program for the period 2015-2025Definition of the ESA program for the period 2015-2025• « … fix on the future science targets of our space community … »« … fix on the future science targets of our space community … »• « … set the agenda for key areas of necessary technological « … set the agenda for key areas of necessary technological

development … »development … »• Past exercises : 1984/5 (Horizon 2000) & 1994/5 (Cosmic Vision 2004-Past exercises : 1984/5 (Horizon 2000) & 1994/5 (Cosmic Vision 2004-

2014)2014)

Cosmic Vision 2020Cosmic Vision 2020• CalendarCalendar

- april 2004 :- april 2004 : call for themes for Cosmic Vision 2020call for themes for Cosmic Vision 2020- 1st june 2004 :- 1st june 2004 : deadline, ~ 150 proposals receiveddeadline, ~ 150 proposals received- summer 2004 :- summer 2004 : definition of definition of themesthemes for Cosmic Vision for Cosmic Vision- 15-16 september 2004 :- 15-16 september 2004 : Cosmic Vision workshop, UNESCO, Cosmic Vision workshop, UNESCO, ParisParis- 19-21 april 2005 :- 19-21 april 2005 : ESLAB Symposium, ESTEC, NoordwijkESLAB Symposium, ESTEC, Noordwijk- summer 2005 :- summer 2005 : final reportfinal report- end of 2005 (?) :- end of 2005 (?) : first call for mission proposalsfirst call for mission proposals

• Cosmic Vision 2020 themesCosmic Vision 2020 themes AWG AWG Other worlds and life in the universeOther worlds and life in the universe

The early UniverseThe early UniverseThe evolving violent universeThe evolving violent universe

FPAG FPAG Toward quantum gravityToward quantum gravityBeyond the standard modelBeyond the standard modelThe gravitational wave universeThe gravitational wave universe

SSWG SSWG From the Sun to the Earth and beyondFrom the Sun to the Earth and beyondTracing the origin of the solar systemTracing the origin of the solar systemLife and habitability in the solar system and beyondLife and habitability in the solar system and beyond

Cosmic Vision 2020Cosmic Vision 2020

• Hard X and Gamma-ray Polarization : the ultimate dimensionHard X and Gamma-ray Polarization : the ultimate dimension(E. Caroli)(E. Caroli)

• MeV Gamma-Ray Science (R. Diehl)MeV Gamma-Ray Science (R. Diehl)• Exploring the hard X-/gamma-ray continuum sky at Exploring the hard X-/gamma-ray continuum sky at

unprecedented sensitivty (F. Frontera)unprecedented sensitivty (F. Frontera)• Nuclear astrophysics - Gamma-ray Spectroscopy in the MeV Nuclear astrophysics - Gamma-ray Spectroscopy in the MeV

Domain (J. Knödlseder)Domain (J. Knödlseder)• Probing the high energy universe (F. Lebrun)Probing the high energy universe (F. Lebrun)• Gamma Ray Burst polarization (N. Produit)Gamma Ray Burst polarization (N. Produit)• Unveiling the High Energy Obscured Universe : hunting Unveiling the High Energy Obscured Universe : hunting

collapsed objects physics (P. Ubertini)collapsed objects physics (P. Ubertini)

The input of the gamma-ray community

Cosmic Vision WorkshopCosmic Vision Workshop

• Presentation of the 9 themesPresentation of the 9 themes• Darwin and XEUS emerge as future « cornerstone-like » missions Darwin and XEUS emerge as future « cornerstone-like » missions

for astronomy within Cosmic Vision 2020for astronomy within Cosmic Vision 2020• The Evolving Violent Universe : subjects (C. Done presentation)The Evolving Violent Universe : subjects (C. Done presentation)

- fundamental interactions : gravity (e.g. BH)- fundamental interactions : gravity (e.g. BH)- fundamental interactions : ultradense matter (e.g. NS)- fundamental interactions : ultradense matter (e.g. NS)- black holes at high z- black holes at high z- supernovae and GRBs- supernovae and GRBs- nucleosynthesis and life cycles of matter- nucleosynthesis and life cycles of matter

• Requirements of next generation X-ray observatory (C. Done)Requirements of next generation X-ray observatory (C. Done)- large area (10 m- large area (10 m22))- broad bandpass (0.1 - 100 keV)- broad bandpass (0.1 - 100 keV)- high spatial resolution (2-5 arcsec)- high spatial resolution (2-5 arcsec)- high spectral resolution (1-2 eV)- high spectral resolution (1-2 eV)- fast detectors (µs)- fast detectors (µs)- polarimetry- polarimetry

15-16 september 2004 (UNESCO, Paris)

Cosmic Vision WorkshopCosmic Vision WorkshopThe high-energy roadmap - the AWG vision

Only X-ray observatory in view !

?

Cosmic Vision 2020 and gamma-raysCosmic Vision 2020 and gamma-raysParis Workshop

• So far, gamma-ray astronomy is almost absent in Cosmic Vision So far, gamma-ray astronomy is almost absent in Cosmic Vision 20202020- science (C. Done presentation) :- science (C. Done presentation) : « … MeV lines from supernova remnants … » (i.e. « … MeV lines from supernova remnants … » (i.e. nucleosynthesis)nucleosynthesis)- technology (A. Peacock presentation) :- technology (A. Peacock presentation) : « … gamma-ray imager … » (i.e. Laue diffraction lens, L2) « … gamma-ray imager … » (i.e. Laue diffraction lens, L2)

• Too many themes ? Too many missions ? Coordination ?Too many themes ? Too many missions ? Coordination ?

ESLAB Symposium

• ESA agreed to give a slot to the European gamma-ray community ESA agreed to give a slot to the European gamma-ray community to present their scientific prospectsto present their scientific prospects

• The ball is now in our field … let’s play it well !!!The ball is now in our field … let’s play it well !!!

ESLAB SymposiumESLAB Symposium• Fundamental Physics from SpaceFundamental Physics from Space

- space as laboratory for fundamental physics- space as laboratory for fundamental physics- pioneering gravitational wave astronomy with - pioneering gravitational wave astronomy with ESAESA

• Space Astronomy (1)Space Astronomy (1)- other worlds and life in the Universe- other worlds and life in the Universe- the formation of planets, stars, and galaxies- the formation of planets, stars, and galaxies

• Space Astronomy (2)Space Astronomy (2)- the energetic universe- the energetic universe- the dark side of the universe- the dark side of the universe

• Solar System (1)Solar System (1)- our understanding of the solar system now and - our understanding of the solar system now and thenthen- from Sun to Earth and beyond : the plasma - from Sun to Earth and beyond : the plasma universeuniverse

• Solar System (2)Solar System (2)- tracing the origin of the solar system- tracing the origin of the solar system- life and habitability in the solar system and - life and habitability in the solar system and beyondbeyond

ESLAB SymposiumESLAB Symposium

• The energetic Universe, The energetic Universe, Barcons (30 min)Barcons (30 min)

• At the frontier of X-ray astronomy, mapping the rotating At the frontier of X-ray astronomy, mapping the rotating surface of surface of isolated neutron starsisolated neutron stars, , Caraveo (20 min)Caraveo (20 min)

• Opening a new window to fundamental physics and Opening a new window to fundamental physics and astrophysics : astrophysics : X-ray X-ray polarimetrypolarimetry, , Costa (20 min)Costa (20 min)

• Prospects in space-based gamma-ray astronomy, Prospects in space-based gamma-ray astronomy, Knödlseder Knödlseder (20 min)(20 min)

The Energetic Universe

The objectives for todayThe objectives for todayWorkout the scientific key questions of our

fieldConvert these scientific key questions into a mission

philosophie

• Science objectivesScience objectives- The Comptonised Universe (A. Zdziarski)- The Comptonised Universe (A. Zdziarski)- Nuclear Astrophysics (R. Diehl)- Nuclear Astrophysics (R. Diehl)- Cosmic accelerators (G. Kanbach)- Cosmic accelerators (G. Kanbach)

• Mission conceptsMission concepts- Coded mask telescope for gamma-rays (P. Ubertini)- Coded mask telescope for gamma-rays (P. Ubertini)- Polarisation measurements (E. Caroli)- Polarisation measurements (E. Caroli)- Laue lens for hard X-rays (F. Frontera)- Laue lens for hard X-rays (F. Frontera)- Laue lens for gamma-rays (P. von Ballmoos)- Laue lens for gamma-rays (P. von Ballmoos)- Compton-pair telescope (G. Kanbach)- Compton-pair telescope (G. Kanbach)

ESLAB symposium presentation