amda , a utomated m ulti- d ataset a nalysis: a web-based service provided by the cdpp
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AMDA , A utomated M ulti- D ataset A nalysis: A web-based service provided by the CDPP. - PowerPoint PPT PresentationTRANSCRIPT
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AMDA, Automated Multi-Dataset
Analysis:A web-based service provided by the
CDPP.Jacquey1 C., V. Génot1, E. Budnik2, R. Hitier3, M. Bouchemit1, M. Gangloff1, A. Fedorov1, B. Cecconi4, N. André1, B. Lavraud1, C. Harvey1, F. Dériot5, D. Heulet5, E. Pallier1, E. Penou1 and J.L. Pinçon6
1: CDPP/CESR, Toulouse, France2: Noveltis, Toulouse, France3: Co-libri, Montréal, France4: LESIA/OBSPM, Meudon, France5: CDPP/CNES, Toulouse, France6: LPCE, Orléans, France
ESWW-5, Bruxelles, November 20, 2008
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The CDPP (http://cdpp.cesr.fr)
French national centre (CNRS-CNES) > 10 years
Hosted at CESR, Toulouse, France
Missions:-Archiving the data for long-term preservation-Valorisation of the data
Making data easy to useProviding tools and services
-Participation to Virtual Observatories
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Messenger
VEX MEX
Ulysses
STEREOA and B
Around the Earth: ACE, WINDTHEMIS, CLUSTER, GEOTAIL, …
shockCom
pressed solar w
ind
Energetic
particles
ejecta
August 15, 2007
Ex.: Prangé et al., Nature, 2004
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Some aspects of space physics studies
We need to analyse measurements obtained by several observatories
We need to analyse multi-instrument data
We need to compare the observations to simulation results
Creating Time-Tables (or event list) and catalogues is a common step of the work
We need to extract and treat a lot of data coming from multiple resources
This takes time and energy
Building Virtual ObservatoriesDeveloping generic analysis tools
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AMDA Automated Mutiple Dataset Analysis
Web based service
Transparent (automated) access to data the user plays with parameters, not with files
AMDA local database (CLUSTER, ACE, THEMIS, GEOTAIL, WIND, …, STEREO, VEX, MEX, …, IMP-8, ISEE, … geomagnetic indices)
External databases (CDAWeb, CASSINI: MAPSKP+SKR, VEX-MAG, THEMIS/CESR, …)
Produces and exploits time-tables and catalogues
Visualisation editor
Parameter editor
Download data
Conditional search
External data
Visual search
Time-Table manager
AMDA DOES NOT WORK FULLY WITH InternetExplorer and Safari
AMDA is public (registred or guess users, at http://cdpp-amda.cesr.fr)
!
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Science Case:study and characterisation
of the local properties of the cross-tail current
Based on CLUSTER data when it encircles the neutral sheet.(i) Current density, profile,
gradient(ii) Thickness, location, motion(iii)Distribution function (i+ and
e-), flows, …(iv)Turbulence/wave level and
spectra(v) …
Influence factors:(i) Solar Wind pressure(ii) IMF(iii) Geomagnetic activity:
- State of the ionosphere.- Oxygen abundance- Ring current intensity
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Visualisation (1)
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Visual searchVisualisation (2)
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Automated search on AMDA/CDPP
XZ
B
B
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Conditional search
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Managing Time-Tables
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Parameter computation
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Data download
On the flydata merging
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Access to external databases
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VO: AMDA SPASE compliant
LocalDatabase
AMDA
System
CDAWeb
SKR
MAPSKP
Any databases including a SPASE based interoperability layer can be used by AMDA
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AMDA-Automated search
-Visual search Time-Tables
CAAValidated high resolution
CLUSTER data
CL
QSAS
Standardisedsub-databases
Other?
CDAWeb
DARTS
CDPP/CESRTHEMIS database
SSLTHEMIS database
Other?
Time-Tables
VO: a collaboration based on Time-Table Exchange
Time-Tables
Data, parameters Data, parameters
User tools
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ConclusionsAMDA is a web based service, continuously developed with the support of CNES and CNRS
AMDA is public (guest or registred user)
AMDA: Visualisation, data download, parameter computation, visual search, automated conditional search, time-table managment
Automated recognition, proxy studies, creating catalogues …Should be useful for space weather studies
AMDA is VO (SPASE based) compliant
AMDA in european VO projects: EuroPLANET/IDIS, HELIO, TTE
Feedback from user is very welcome.
For any need or comment: [email protected]
If you use AMDA or CDPP services for publications, please aknowledge
If someone is interested, an interactive demo can be performed in the poster room after the session.