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

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

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

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

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)

!

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

Visualisation (1)

Visual searchVisualisation (2)

Automated search on AMDA/CDPP

XZ

B

B

Conditional search

Managing Time-Tables

Parameter computation

Data download

On the flydata merging

Access to external databases

VO: AMDA SPASE compliant

LocalDatabase

AMDA

System

CDAWeb

SKR

MAPSKP

Any databases including a SPASE based interoperability layer can be used by AMDA

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

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: amda@cesr.fr

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.