Data Set Information
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| DATA_SET_NAME |
JUNO J ENERGETIC PARTICLE DETECTOR UNCALIBRATED V1.0
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| DATA_SET_ID |
JNO-J-JED-2-EDR-V1.0
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| NSSDC_DATA_SET_ID |
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| DATA_SET_TERSE_DESCRIPTION |
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| DATA_SET_DESCRIPTION |
Data Set Overview ================= The data set consists of uncalibrated observations, also known as EDRs. For all the EDR products there is a detached PDS label file that describes the contents of one data file. Each label file will have the same base name as the data file it is describing, with the extension .LBL to denote a label file. The label file defines the start time and end of the observation, product creation time, and the structure of the ASSCI tables. Each data product is identified within the PDS label by a STANDARD_DATA_PRODUCT_ID value, shown in parentheses in the table below. Instrument Overview =================== The JEDI sensors consists of a 60-mm diameter, hockey puck-like cylinder, in which a start foil and stop foil, wrapped around opposite curved sides of the cylinder, constitute the TOF chamber. The detectors are arranged so that each detector senses the events within a given range of incidence angles. Each of the 6 detector modules is composed of 4 pixels: large and small ion and large and small electron. See the INSTRUMENT.CAT file for more information. Calibration Overview ==================== This data set is NOT calibrated; it only provides the uncalibrated sensor measurements. Parameters ========== The setting and interaction of the actual instrument parameters used to configure the timing and modes of the collection of spectral data during normal science operations are complex and a detailed understanding of them is not required outside of science operations team. We present science parameters that describe the data collection settings in a useable fashion: UTC - a human readable timestamp provided for ease of use. The ET timestamps are preferred for actual analysis. ETStart, ETLookDirection, ETEnd - Time stamps in Solar System Barycentric time (TDB, Epoch J2000) corresponding to the beginning, middle (roughly), and end of the data accumulation. See JEDI SIS for a detailed description of the ETLookDirection parameter, which is the recommended SCET time to use for data analysis. Duration - Total live exposure time SectorDeadTime - instrument dead time due to latency in switching between collection modes. LargePixel - wether the large or small detector pixel is in use. SCLKStart, SCLKLookDirection, SCLKEnd - spacecraft clock strings corresponding to the same three times as the ET parameters. Quality - a multi-bit flag indicating data quality issues. 0 means no adverse conditions PacketTimeTag, Spin, Sector - retained for instrument science team usage in data validation Data ==== The JUNO JEDI EDR data set products are described as follows: HIERSESP High-Res (E) Electron Spectra LOERSESP Low-Res (E) Electron Spectra Electron spectra as measured by the solid state detector system (SSD) The High-Res product has more energy channels but is collected at a longer cadence than the Low-Res product. HIERSISP High-Res (E) Ion Spectra LOERSISP Low-Res (E) Ion Spectra Ion spectra as measured by the solid state detector system (SSD) The High-Res product has more energy channels but is collected at a longer cadence than the Low-Res product. HIERSTOFXER High-Res (E) Time Of Flight (TOF) x Energy Ion Rates LOERSTOFXER Low-Res (E) TOF x Energy Ion Rates NONPTOFXER Non-proton TOF x Energy Rates Ion spectra as measured by the SSD and the TOF systems working in concert. The High and Low Res products are defined as above and contain data for energetic charged protons. The NONP data contain data for other ion species. HIERSTOFXPHR High-Res (E) TOF x Pulse Height Ion Rates LOERSTOFXPHR Low-Res (E) TOF x Pulse Height Ion Rates NONPTOFXPHR Non-proton TOF x Pulse Height Rates Ion spectra as measured by the TOF system using the pulse height of the TOF signal to measure energy (this allows us to measure lower particle energies). The High and Low Res products are defined as above and contain data for energetic charged protons. The NONP data contain data for other ion species.
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| DATA_SET_RELEASE_DATE |
2025-10-22T00:00:00.000Z
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| START_TIME |
2016-01-05T12:01:03.000Z
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| STOP_TIME |
2025-04-04T08:29:52.000Z
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| MISSION_NAME |
JUNO
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| MISSION_START_DATE |
2011-08-05T12:00:00.000Z
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| MISSION_STOP_DATE |
N/A (ongoing)
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| TARGET_NAME |
JUPITER
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| TARGET_TYPE |
PLANET
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| INSTRUMENT_HOST_ID |
JNO
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| INSTRUMENT_NAME |
JUPITER ENERGETIC-PARTICLE DETECTOR INSTRUMENT
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| INSTRUMENT_ID |
JED
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| INSTRUMENT_TYPE |
ENERGETIC PARTICLE DETECTOR
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| NODE_NAME |
planetary plasma interactions
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| ARCHIVE_STATUS |
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| CONFIDENCE_LEVEL_NOTE |
Confidence Level Overview ========================= The JUNO JEDI EDR data are the least processed data set released for the instrument. Data presented here are an accurate representation of the JUNO JEDI data as received from the spacecraft, with minimal timing and no spatial processing. Review ====== The JUNO JEDI EDR were reviewed internally by the JEDI team prior to release to the PDS. PDS also performed an external review of the JEDI EDR. Data Coverage and Quality ========================= Limitations =========== This data set is minimally processed data. The data are received from JUNO mission operations center and processed by the JEDI instrument team and delivered to the JUNO Science Operations Center (JSOC).
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| CITATION_DESCRIPTION |
B. Mauk (APL), JUNO J ENERGETIC PARTICLE DETECTOR UNCALIBRATED V1.0, JNO-J-JED-2-EDR-V1.0, NASA Planetary Data System, 2024, DOI: 10.17189/1519712.
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| ABSTRACT_TEXT |
Abstract ======== This data set consists of the JUNO JEDI (Jupiter Energetic-Particle Detector) uncalibrated observations, also known as EDRs. The system is made up of 3 instrument subsystems (pucks) aligned in three directions on the spinning JUNO spacecraft. The pucks each have 6 look directions (telescopes) with a time of flight (TOF) and a deposited energy detection (SSD) system. In addition, the pulse height of the signal in the TOF system can be used for energy measurement. The instruments can be operated in a variety of modes, differing in the way they use and combine these measurements. More details are available in the INSTRUMENT.CAT file and the JEDI SIS. The EDRs are organized in files covering one day of spacecraft event time (SCET). There are potentially 10 different files per puck, corresponding to the available data gathering modes: HIERSESP, HIERSISP, HIERSTOFXER, HIERSTOFXPHR, LOERSESP, LOERSISP, LOERSTOFXER, LOERSTOFXPHR, NONPTOFXER, NONPTOFXPHR. Depending on how the pucks are operated, not all data types will be available for all pucks for any particular time range.
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| PRODUCER_FULL_NAME |
BARRY MAUK
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| SEARCH/ACCESS DATA |
Planetary Plasma Interactions Website
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