Il programma NHXM sviluppato dall'ASI
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Il programma NHXM sviluppato dall'ASI Ing. Mauro Piermaria New Hard X-Ray Mission Workshop Nazionale 12 e 13 novembre 2009 – ASDC, Frascati. PRESENTATION TOPICS. DEVELOPMENTS OF THE ASI NHXM PROGRAM NHXM PHASE A: THE PEOPLE NHXM PHASE A: PRODUCT TREE NHXM PHASE A: INDUSTRIAL ORGANISATION

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Il programma NHXM sviluppato dall'ASI

Ing. Mauro Piermaria

New Hard X-Ray Mission Workshop Nazionale

12 e 13 novembre 2009 – ASDC, Frascati


PRESENTATION TOPICS

  • DEVELOPMENTS OF THE ASI NHXM PROGRAM

  • NHXM PHASE A: THE PEOPLE

  • NHXM PHASE A: PRODUCT TREE

  • NHXM PHASE A: INDUSTRIAL ORGANISATION

  • NHXM PHASE A: DETAILED ACTIVITIES

  • NHXM PHASE A: THE COMMON PLATFORM

  • SIMBOL-X MAIN CARACHTERISTICS

  • EXIT-SAT: MAIN SPECIFICATIONS

  • EXIT-SAT: CONFIGURATION

  • CONCLUSIONS


DEVELOPMENTS OF THE ASI NHXM PROGRAM

  • NHXM is the ASI program with the aim to launch a new mission for Hard X-ray observations

  • Pre-phase A study, in the NHXM frame, mainly relevant to the Simbol-X collaboration has been conducted; 9/2006 – 1/2007.

  • NHXM phase A contract with Mirror technological development, MSC satellite of Simbol-X development and Exit-Sat Satellite development started in 7/2007.

  • First change with deeper analysis on mirror technology (Ni-Co electroforming, Multilayer deposition)

  • Second change with the development of a common platform for MSC and DSC (to be used also for EXIT-SAT)

  • Conclusion of the NHXM phase A (Simbol-X and Exit-Sat phase A), 1/2009. Initial duration of 13 months, extended to 18 months.

  • A further technological study (only on X-rays multilayer mirrors), continuation of the work performed during the NHXM phase A, has been initiated in 3/2009, and still on going.


NHXM PHASE A: THE PEOPLE

  • Continuous collaboration with CNES on Simbol-X program, while only Italian involvement on EXIT-SAT mission.

  • Continuous improvement of the knowledge by confrontation with our program partners

  • Conclusion of the ASI-CNES collaboration on Simbol-X Program, 4/2009.

  • Internal Agency resources (8+1 persons).

  • INAF resources (from different locations and institute)

  • Industrial resources (TAS-I, MLT, BCV, TPZ, INAF-OAB)

  • Large but efficient integrated team working on NHXM for almost 2 years.

  • Once again, demonstrated ability for such a team, to deal and interact productively with other international partners.



NHXM PHASE A: INDUSTRIAL ORGANISATION

ASI

TAS- I (ex AAS- I) Prime


SIMBOL X-

MSC SVM Design definition

I/F Design definition (MSC- DSC and MSC - Soyuz)

Mechanical and Thermal Models

Ground Segment network structure and functions implementation

Operations Strategy Implementation

Frozen Final Mission Architecture

Model Philosophy definition

Engineering Support to ASI (JPO)

Cost evaluation

NHXM PHASE A: DETAILED ACTIVITIES

MIRROR MODULE

  • Materials and process optimization

  • MM engineering

  • Mirror shells electroforming and replication

  • MM scientific liaison

  • Design T/M analysis

  • Structural design & analysis

  • Prototypes production and delivery of Mandrels and multilayered sample shells

  • Technology Assessment

HEXITSAT

  • Preliminary HexitSat Design

  • Ground Segment preliminary implementation

  • Mission architecture Operations Strategy Implementation

  • HXMT Compatibility evaluation


NHXM PHASE A: THE COMMON PLATFORM

DSC

HEXITSAT

HXMT

SIMBOL-X

MSC


Field-of-View

12 arcmin

Absolute pointing

20 arcsec

Mirror Satellite

Line-of-Sight Reconstruction

4.7 arcsec

20 m

Detector Satellite

+/-1 cm

SIMBOL-X MAIN CARACHTERISTICS

Concept:

  • high-energy new generation telescope, spectral range from classical X-rays to hard X-rays (0.5-80 keV); 2 orders of magnitude better in sensibility and spatial resolution.

  • Long focal length using Formation Flying.

  • Mirror and Detector mounted on two different spacecrafts in Formation Flying.

  • High elliptical orbit (20.000-180.000 km)

    Optics:

  • Shells mechanics from of Italian know how

  • Reflecting material: multilayer to increase the field of view and the spectral bandwidth

    Focal plane:

  • Passive collimator with active anticoincidence

  • Two superposed spectro-imager (Low Energy 0.5–20 keV; High Energy CdTe 15–100 keV)


EXIT-SAT: MAIN SPECIFICATIONS

  • Four Mirror modules (12 mirror each), multilayer optics.

  • Four detectors, each aligned with the corresponding mirror

  • Focal distance 8-10m (deployable truss)

  • 1000-1500Kg /600 W Satellite class

  • Near circular equatorial orbit, 600 Km altitude (Beppo-sax like).

  • Utilisation of the Malindi Station


EXIT-SAT: CONFIGURATION

Focal Plane Assembly

Deployable Truss

Folded configuration, in the VEGA Launcher fairing

Solar Array

Service Module


CONCLUSIONS

  • During the last period, ASI made big efforts to pursue the NHXM Program (financial and HR).

  • We envisaged a broad involvement by the Italian community, either scientific and industrial.

  • The Simbol-X project, and the collaboration with the French partners, unfortunately stopped, brought a lot of experience on this kind of mission, for both scientific and engineering issues.

  • Feasibility of Exit-Sat and Simbol-X missions at the end of the projects phase A has been proved. By the way, some Items of Exit-Sat mission need to be further investigated.

  • ASI (and the collaboration network) has availability of know how, results and documentation on the above mentioned projects.


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