Finalmente AGILE. A. Giuliani. Astrosiesta 11/10/2007. S.Firmino
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1 Finalmente AGILE A. Giuliani Astrosiesta 11/10/2007 S.Firmino
2 C'era una volta......egret
3 The γ rays sky Vela pulsar Geminga Crab 2CG γ Cygni SNR (?) 3EG J (unidentified transient) Orion Cloud SNR RX J (?) Galactic Center
4 The γ rays sky Vela pulsar Geminga Active Galactic Nuclei Pulsars Gamma Ray Bursts Unidentified gamma ray sources Diffuse gamma ray background 2CG γ Cygni SNR (?) 3EG J (unidentified transient) Crab SNRs and origin of cosmic rays Unidentified TeV sources Microquasars Orion Cloud Galactic accreting Neutron Stars and Black Holes SNR RX J (?) Fundamental Physics: Quantum Gravity Galactic Center
5 The AGILE Payload: the most compact instrument for high energy astrophysics It combines for the first time a gamma ray imager (30 MeV 30 GeV) with a hard X ray imager (18 60 kev)
6
7 The AGILE spinoffs: Hexagonal bus (ideal for small fairings) 400 W power system 1 2 arcmin pointing resolution
8 AGILE: inside the cube HARD X RAY IMAGER (SUPER AGILE) INAF IASF Rm (E.Costa, M. Feroci) GAMMA RAY IMAGER ANTICOINCIDENCE INAF IASF Mi (F.Perotti) SILICON TRACKER INFN Trieste (G.Barbiellini, M. Prest) (MINI) CALORIMETER INAF IASF Bo, Thales Alenia Space (LABEN) (G. Di Cocco, C. Labanti)
9 Astrorivelatore Gamma a Immagini LEggero SuperAGILE : Ultra light coded mask kev GRID instrument : Si tracker + CsI calorimeter 30 MeV 50 GeV Optimal PSF Large FOV (2.5 sr) Scientific Instrument mass: 120 kg (!)
10 Astrorivelatore Gamma a Immagini LEggero SuperAGILE : Ultra light coded mask kev GRID instrument : Si tracker + CsI calorimeter 30 MeV 50 GeV Optimal PSF Large FOV (2.5 sr) Scientific Instrument mass: 120 kg (!)
11 Detection in pair production telescopes γ e e + conserve p and E but: Only projection information Multiple Scattering Noise hits
12 W Si Tracker Tungsten absorbers 12 planes with : W converter (0.07 X0) Si microstrip (pitch 121 µm) Spatial Resolution: 40 µm The AGILE Silicon Tracker developed by INFN Trieste. In the MIPOT laboratories before being delivered to LABEN on June 30, Total thickness: 0.8 X0
13 Tracciatore al silicio µ-strip di silicio Bonding Elettronica di lettura Prototipo meccanico di ''vassoio'' (struttura meccanica, convertitore e rivelatore)
14 Tracciatore al silicio Risultati test-beam al CERN
15 MiniCalorimetro Thickness : 1.5 X0 30 CsI bars on 2 layers, 60 readout channels Energy range : 300 kev 100 MeV (GRID mode) Energy resolution : 1 MeV (single bar) Independent GRB search Effective area : 400 cm² The AGILE MiniCalorimetro developed by IASF Bologna (INAF) and LABEN. Energy range : 400 KeV 10 MeV Field of View : 4 π sr
16 GRID performances: field of view Field of view: ~ 3 sr Off axis Effective Area
17 GRID performances: Angular resolution 2 times better than EGRET Weak dependence on off axis angle
18 GRID Effective Area
19 SuperAGILE Detector : 410 um Silicon microstrips, 121 µm pitch, 1D position sensitive Energy range : kev Geometric Area : 1444 cm2 Effective Area : ~300 cm2 (on axis, 13 kev) Energy Resolution : 7 8 kev Angular Resolution : 6 arcmin Source location Accuracy : 1.5 arcmin for bright sources FOV : 2x(107x68) deg2 FWZR SuperAGILE developed by IASF Roma (INAF). Timing Accuracy : ~5µs Sensitivity : ~12 mcrab (50ks, on axis)
20 Gamma ray source positioning (example: off axis AGN) SUPER AGILE AGILE GRID EGRET
21 Il sistema di anticoincidenza (2) Fotomoltiplicatore (attivo) Fibra di carbonio (strutturale) Scintillatore plastico con fibre ottiche per lo shift in lunghezza d'onda (attivo)
22 Anticoincidence System The AGILE Anticoincidence System developed by IASF Milano (INAF) during the vibration test campaign (January 2005).
23 AGILE test sequence & calib. data 29 Jul Sep 05 3 Nov Nov Nov Jan Feb Feb 06 " 30 May Aug Sep 06 6 Nov 06 " Jan 07 5 Sep Oct Nov Nov Dec 05 LABEN LABEN INFN Frascati CESI Milano LABEN bench AIV integraz IPL Calibraz GRID Termici IPL IPL AIV Feb 06 IABG ITAR crisis Tortona " IABG Tortona ITAR change Tortona " IPL AIV IPL AIV SAT AIV SAT Env test SAT verif. ITER IPL AIV SAT AIV IABG SAT Env test May Jul Sep 06 5 Nov Jan 07 " 6 Mar 07 Runs # > with sat EGSE+SC Classified runs : TOTAL 8729
24 Il Tracker estate 2005
25 Laben (Milano) autunno 2005
26 Laben (Milano) 30 ottobre 2005
27 AGILE Scientific Calibration AGILE γ ray calibration Laboratori Nazionali Frascati γ Beam chambers Blue: e without Bremsstrahlung Beam chambers Super AGILE and MCAL γ Green: e with Bremsstrahlung Yellow: Bremsstrahlung gamma ray photons final calibration: February 2006 γ Tagging module inside the magnet e+/e Minitracker (November 2005) BTF facility e+/e NaI Calorimeter e+/e γ albedo
28 Beam Test Facility (November 2005)
29 The DAΦNE Beam Test Facility & AGILE Calibration (November 2005) BTF webcam live view 29
30 INFN LNF BTF Photon Tagged Source AGILE GRID Photon Calibration The AGILE Gamma Ray Imaging Detector calibration at BTF is aimed at obtaining data for all relevant geometries and background conditions. BTF can provide data in the energy range Spectrometer AGILE Payload Silicon detectors ( MeV) Silicon tagging target BTF AGILE Schedule photon tagging system (PTS) spectrometer PTS calibration final equipment test (Oct.) AGILE calibration, 2 3 weeks of data collection
31 We are ready! AGILE Satellite Flight Model (CGS, Tortona, mid December 2005)
32 AGILE detection of the natural γ ray background (Tortona, 2006) ~ 120
33 MCAL Spectra 2.61 MeV 208Bi photopeak MeV 40K photopeak ( Th serie) ~10 MeV muon peak (single bar crossed) E/E =13 % FWHM at kev ~20 MeV muon peak (whole MCAL crossed) σx =1.8 cm at kev Background MCAL spectrum obtained in Tortona, Italy, at Integrated Payload level
34 We are ready!
35 I A B G (Munchen) primavera 2007
36 The AGILE launch campaign (April, 2007) Leaving Munich on March 25, 2007 Arriving in Chennai (India) on March 30, 2007 Arriving in Sriharikota on March 30th. Functional tests in clean room (April 1 10). Integration on PSLV C8 rocket (April 11 16) Final functional tests (April 17) Coconuts cerimony, PSLV on launch pad (April 19) Launch preparation (April 19 23) Countdown (April 22 23) Liftoff (April 23)
37 PAMELA first results on low energy cosmic rays (h= km) (Picozza, Casolino et al. 2006)
38
39
40 Background Measurements on Earth... Background count spectra measured by MCAL in four different locations: Tortona (Italy), Munchen (Germany), SHAR (India) in the clean room, SHAR (India) after integration on launcher. The blue curve is the last MCAL spectrum taken on Earth...
41
42
43
44 Orbital requirements for AGILE Low Earth Orbit, h = 550 km Quasi equatorial, α < 3 minimize particle background use of the ASI Malindi ground station
45 LA TITU D E(deg) PSLV C8: i = 2.5 deg LONGITUDE(deg)
46 AGILE orbital parameters Semi major axis: km (± 0.1 km) Requirement: ± 10 km Inclination angle: 2.48 (±0.04 ) Requirement: < 3 Eccentricity: (±0.0015) Requirement: < 0.1
47
48 Il primo fotone! May 9, 2007 First AGILE cosmic photon. Yesterday AGILE detected its first cosmic photon during a test calibration of the Gamma Ray Imager (Silicon Tracker). The figure below is a view of the track left by the electron positron pair produced by the incoming photon and recorded in the twelve silicon layers of the detector.
49 Albedo Filtering
50 La prima sorgente
51
52 P u l s a r s
53 V E L A Pulsar
54
55 Blazars
56 3C to F= (3+/ 1)*10E 6 ph/cm2/s E>100 MeV detection : 9.9 sigma AGILE gamma ray detection of the Blazar 3C ATel #1160; S. Vercellone et al. AGILE pointing at 3C 454.3: end of the observations and preliminary results. ATel #1167; A. Bulgarelli et al.
57 G R B
58 GRB b Niente gamma (nel tracker)! GCN CIRCULAR 6670 GRB B: Analysis of AGILE gamma ray data Chen et al.
59 GRB b First Gamma Ray Burst Localization by SuperAGILE onboard AGILE
60 GRB Combined SuperAGILE/IPN Localization
61 Altri transienti GX301 2 SuperAGILE first light The hard X ray imager SuperAGILE clearly detected a flare from the source SGR AGILE ACS position for the July 27 burst GCN CIRCULAR 6688 F.Perotti et al.
62 AGILE Science Program AGILE Guest Observer Program (Cycle 1) Announcement of Opportunity. Multi λ Programs (AGNs, PSRs, GRBs ) AGILE Science Workshops: September Science Workshop December Conference
63 AGILE Guest Observer Program
64 AGILE Cycle 1
65 Conclusions AGILE is doing very well, and its on board testing phase is completed The Science Verification Phase lasts until the end of September (calibration with the Crab) The Cycle 1 scientific program starts at the end of Exciting to have both AGILE and GLAST in orbit in 2008!
7th Agile Meeting & The Bright Gamma-Ray Sky Frascati, 29 September - 1 October, 2009. Carlotta Pittori, on behalf of the ADC
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