Cluster data sets

1
Cluster data sets

• P-A Lindqvist, KTH

2
Cluster data sets

1. CDDS (Cluster Data Disposition System)
2. RDM (Raw Data Media) on CD-ROM
3. Online RDM
4. CSDS (Cluster Science Data System)
5. CAA (Cluster Active Archive)

3
CDDS

• Cluster Data Disposition System
• At ESOC, Darmstadt
• Restricted access
• Intended for quick-look and health monitoring
• All WEC data regularly distributed to Uppsala,
  Oslo, Berkeley, Orleans, Velizy, ESTEC, and
  Sussex
• There are some missing and truncated files

4
RDM on CD-ROM

• Raw Data Media
• Official source of Cluster raw data
• CD-ROMs sent from ESOC to all Co-I institutes
• 1-3 CD-ROMs per day
• Distribution ended 1 Jan 2006

5
Online RDM

• Online Raw Data Media
• Replaces CD-ROM delivery since 1 Jan 2006
• Same directory structure as CD-ROMs
• Includes also all CD-ROMs since start of mission
• Documentation
• http//caa.estec.esa.int/documents/CAA_EST_ID_0001
  _V01_2.pdf
• Example, list all available RDMs
• http//caa.estec.esa.int/cgi-bin/caa_rdm

6
CSDS (1)

• Cluster Science Data System
• Intended for event selection, not scientific
  analysis
• PP, Prime Parameters (spin resolution, all 4 SC)
• SP, Summary Parameters (1-minute resolution, 1 SC
  only)
• CSDS home page
• http//sci2.estec.esa.nl/cluster/csds/csds.html
• CSDS User's guide
• ftp//ftp.estec.esa.nl/pub/csds/task_for/users_gui
  de/csds_guide.html

7
CSDS (2)

• Cluster Science Data System (contd)
• SDC, Scandinavian Data Centre, located at KTH,
  Stockholm
• Computes EFW CSDS data and distributes to other
  data centres
• Distributes all instrument CSDS data to
  Scandinavian users
• SDC home page
• http//www.plasma.kth.se/cluster/sdc.html
• CDMS (Cluster Data Management System) for
  actually getting or plotting data
• http//www.plasma.kth.se/cdms/

8
CSDS (3)

• Cluster Science Data System (contd)
• FGM funding problems
• CSDS validation no longer possible
• FGM will not deliver PP data after 1 Jan 2006
• Instead non-validated data will be available
• New file names, new parameter names

9
CAA

• Cluster Active Archive
• CAA overview presented by Harri Laakso
• EFW in the CAA presented by Yuri Khotyaintsev
• CAA home page
• http//caa.estec.esa.int/