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Frequently Asked Questions for ROC users.

FAQ related to RPW calibration software (RCS) can be read in RCS-related FAQ

Table of content

Questions related to the RPW data processing at LESIA

What are the RPW data products ?

A list of the RPW data produced by the ROC at LESIA is available in RPW Data Products.

The description of the RPW data products can be found  in https://rpw.lesia.obspm.fr/roc/data/private/solo/rpw/docs/DPDD/ (restricted access)

Standards and metadata definitions for the RPW science data are presented in https://issues.cosmos.esa.int/solarorbiterwiki/display/SOSP/Metadata+Definition+for+Solar+Orbiter+Science+Data

Where I can find the RPW data produced by the ROC at LESIA ?

RPW public data are available with a 90-days latency from the Solar Orbiter Archive (SOAR) portal at ESAC (http://soar.esac.esa.int/soar/)


Copies of the RPW public data are also :


Preliminary RPW data file generated by the ROC at LESIA are saved within 48h in https://rpw.lesia.obspm.fr/roc/data/private/solo/rpw/data

Access to this site is restricted to authorized members only (see xavier.bonnin@obspm.fr for access).

What is the Common Data Format (CDF)?

The Common Data Format (CDF) is a file format designed by NASA and used to store Solar Orbiter In Situ payload data, including RPW.

More information about CDF can be found in https://cdf.gsfc.nasa.gov/.

Additional questions about RPW CDF can be found in RCS-related FAQ#relatedFAQ-CDF-relatedquestions.

What are the software used by the ROC to process RPW data?

The ROC relies on four pipelines to generate RPW data:

  • The RPW Operation and Data Pipeline (RODP) is the main pipeline run by the ROC at LESIA to generate RPW L0/L1/HK data products from downlinked telemetry
  • The RCS Interface Validation Pipeline (RIVP) is the pipeline used to validate and run the RPW Calibration Software (RCS)
  • The RPW Low Latency Data Pipeline (LLDP) is a the pipeline used to process the Low Latency data. The main instance of the LLDP is hosted and run by the Solar Orbiter SOC at ESAC (Madrid, Spain)
  • The ROC Ground Test SGSE (RGTS) is dedicated to parse RPW telemetry/command data as stored by ground MEB GSE and ADS GSE. (Mainly used during ground calibrations and tests)

What are the RPW Calibration Software (RCS)?

The RPW Calibration Software (RCS) are run by the ROC at LESIA to generate the RPW calibrated science data (L2).

The software are developed and maintained by the RPW Lead CoI Teams.

Questions related to the RCS can be found in RCS-related FAQ

What is the RPW Instrument Database (IDB)?

The RPW Instrument Database (IDB) is required to parse/generate RPW telemetry (TM) and commands (TC) binary packet data. The IDB is also contain the "raw" to/from "engineering" conversion of TM/TC parameter values.

Two versions of the IDB are used by the ROC to parse packets:

* "MIB" version: the Mission Information Base (MIB) is delivered by the Solar Orbiter MOC via GFTS and contains a copy of the operational IDB as well as the Solar Orbiter platform and payload TC sequences. Copies of the MIB source text files sent by the MOC are stored by the ROC in https://gitlab.obspm.fr/ROC/mib.

* "PALISADE" version: "internal" version of the RPW used by the RPW flight software team at LESIA. PALISADE IDB versions are stored in https://version-lesia.obspm.fr/repos/SO-RPW/IDB/tags/ (restricted access)

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