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P FOR L A X- -T
12
MARCO FEROCI INAF, ROME ON BEHALF OF THE LOFT, EXTP AND LOFT-P TEAMS PROSPECTS FOR LARGE AREA X-RAY SPECTRAL -TIMING
Transcript of P FOR L A X- -T
MARCO FEROCI INAF, ROME
ON BEHALF OF THE LOFT, EXTP AND LOFT-P TEAMS
PROSPECTS FOR LARGE AREA X-RAY SPECTRAL-TIMING
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
OBIETTIVI SCIENTIFICI PRIMARI
STUDIO DELLA MATERIA IN CONDIZIONI ULTRADENSE (EOS)
STUDIO DEL COMPORTAMENTO DELLA MATERIA IN PRESENZA DI CAMPO GRAVITAZIONALE FORTE
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
DENSE MATTER IN NEUTRON STARS – A UNIQUE REGIME
LOFT AND EXTP WILL STUDY NUCLEONIC MATTER IN A UNIQUE REGIME, AND
EXOTIC STATES OF MATTER THAT COULD NEVER EXIST IN THE LABORATORY.
Neutron Stars
LOFT /
eXTP
USING ONLY KNOWN SOURCES, PULSE PROFILE MODELLING MEASUREMENTS WILL MAP THE M-R RELATION AND
HENCE THE EOS.
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
ACCRETION NEAR THE EVENT HORIZON
Current best tests of General Relativity: millisecond radiopulsars in weak-field regime (GR small perturbation) GW150914: strong field in a highly dynamic regime
LOFT: GR effects in a stationary spacetime
LOFT/eXTP: near the event horizon
RELATIVISTIC EFFECTS DOMINATE
ASTROPHYSICS NEAR BLACK HOLES: STRONG FIELD EFFECTS
• Inner Stable Circular Orbit • Orbital motion near ISCO • Orbital and epicyclic frequencies • Frame dragging, light deflection,
Shapiro effect
Motta et al. 2013
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
THREE POSSIBLE MISSION APPROACHES
LOFT Large Observatory For x-ray Timing
(ESA)
eXTP enhanced X-ray Timing and Polarization mission (CAS)
Bright sources: Large Collimated Area
Weak/soft sources: Collimated Area + Telescopes.
And Polarimeter
LOFT-P LOFT-Probe
(NASA)
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
THREE POSSIBLE MISSION APPROACHES
LOFT / LOFT-P Large Observatory For x-ray Timing
(ESA or NASA)
eXTP enhanced X-ray Timing and Polarization mission (CAS)
Bright sources: Large Collimated Area
Weak/soft sources: Collimated + Focused Area
8-10 m2 3.4m2
1m2 0.6m2
LOFT/LOFT-P
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
CONTESTO INTERNAZIONALE
The Multi-wavelength and Multi-messenger Context of Time Domain Astronomy
XIPE/IXPE?
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
LARGE AREA SILICON DRIFT DETECTORS TECHNOLOGY
CONTRIBUTO NAZIONALE
• 120 mm x 72.5 mm • 450 µm thick • 224 anodes, 970 µm pitch • <150 pA/cm2 leakage at 20°C
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
RUOLO NAZIONALE
LOFT
Project
SYSTEM
Project Office
Management
System
Engineering
PA
AIV
GSE
MGSE
EGSE
Operations
P/L SUB-SYSTEMS
Payload System
Management
Procurement
MAIT
Test Equipment
LAD
Project Office
Procurement
MAIT
Calibration
Test Equipment
WFM
Project Office
Procurement
MAIT
Calibration
Test Equipment
PDHU
Project Office
Procurement
MAIT
Test Equipment
SDC
Pre-processing
LAD Software
WFM Software
Sky monitor
+ etc
WFM data
enhancement
LAD data
enhancement
LBAGS
Science
KEY PARTNERS: UK, CH, F, D, ES, DK, NL,PL, FI, CZ
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
TEMPISTICA E PROGRAMMAZIONE
eXTP • Pre-selected in China, currently in phase 0/A. Possible selection in
2016 or 2017, for a launch in 2024-2025. Participation of the whole LOFT consortium + INAF/OAB + MPE.
LOFT-M5 • ESA M5 call already issued. Proposals due Oct 2016. Selection in
June 2017. Launch in 2029.
LOFT-P • Preparation activities for the Decadal Survey 2020. NASA-funded
mission study currently ongoing. Probe-class. Possible notional mission call end-2016/early-2017. Real mission call early-2020’s. Launch in late-2020’s.
Current support: TECNO-INAF and ASI (future missions call).
PROBING SPACETIME AND MATTER UNDER EXTREME CONDITIONS
BONUS TRACK: LOFT PATHFINDER
LOFT-pathfinder 1-m2 experiment on ISS (Russian segment) to be launched in 2020
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