ErgSat/Xep

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Extremely High-Energy Electron Experiment (XEP)

Members

  • PI
    • Nana Higashio (JAXA/RDD)
  • Members
    • Haruhisa Matsumoto (JAXA/RDD)


Rules of the Road

  • For the general data policy for the ERG satellite, please refer to this webpage.

Specific to XEP Data

  • The data user is strongly encouraged to contact the PI in an early stage of his/her work using XEP data to discuss data usage and interpretation.


Updates on the Instrument Status, Data, Calibration, and Notes

  • 20170114
    • N/A

Data information

Normal data mode:Table mode (2017/03/20-)

※List mode Data are not provided.

2017/04/17 No data (Table Mode→List Mode)

2017/04/21-04/23 No data(XEP OFF)

2017/05/18 No data

2017/07/15 10:00-10:22UT No data(Mode check operation)

2017/07/15 10:22-2017/07/18 12:44UT No data(List Mode)


2017/07/18 9UT- No data (L≦2.1: Table Mode→List Mode)

Past articles archived here

Instrument Specifications

Energy range Electron from 400 keV to 20 MeV
G-factor 0.0088 cm2sr
Angular resolution 20° × 22.5°
Energy resolution SSDs: <20%
GSOZ: <50-60%
Size 317 mm × 250 mm × 174 mm
Weight 5281 g
Power 19.8 W
Data format Table mode (18 ch) - 12 ch: SSD SUM; 4 ch: GSO
List mode (for S-WPIA)
Quasi-real time data (for space weather)


Observation Modes

  • Table mode
  • List mode (if necessary)


Observation Mode Changes

Basically the table mode is continuously used to avoid decrease in the number of events.


Calibration Information

N/A


Science Data Products

Level-2 Data
Name Description Dimension Nominal Time Resolution Data Load Routine for SPEDAS
erg_xepe_l2 full 2-D flux 18 (energy) × 16 (azimuth) spin period (nominally ∼8s) erg_load_xepe
Level-3 Data
Name Description Dimension Nominal Time Resolution Data Load Routine for SPEDAS
erg_xepe_l3 full 2-D flux 18 (energy) × 16 (azimuth) spin period (nominally ∼8s) erg_load_xepe


Data Inventory (Data Archive Status)

Data repository: http://ergsc.isee.nagoya-u.ac.jp/data/ergsc/satellite/erg/xepe/

Name Processed until Latest Calibration Version Remarks
erg_xepe_l2
erg_xepe_l3