90 likes | 98 Views
Data Products and Access. Tim Quinn UC Berkeley. Dr. Fink Asks. What are the THEMIS data products?. Data Products. Data Products. Probe 24 Hour Data File Sorted by packet Time ordered Contain all engineering and science data (slow/fast survey, burst) at highest temporal resolution
E N D
Data Products and Access Tim Quinn UC Berkeley
Dr. Fink Asks What are the THEMIS data products?
Data Products • Probe 24 Hour Data File • Sorted by packet • Time ordered • Contain all engineering and science data (slow/fast survey, burst) at highest temporal resolution • Particle moments and distribution, and field quantities are obtained by converting raw data into physical units using calibration file • GBO All Sky Imager (ASI) Data • Image thumbnails • Raw image frames • Calibration files • Keogram summary plots • Composite global views
Data Products • GBO Ground Magnetometer (GMAG) Data • Raw vector data • Calibration files • Processed data • Auroral Electrojet Indices • E/PO GMAG • Same as GBO GMAG • Key Parameter (Browse) Data Key parameter data is designed for monitoring the large scale particle and field dynamics and for selecting time periods of interest: • Keograms (GBO image data overview) • Auroral Jet Indices
Data Products • Key Parameter (Browse) Data, Cont’d, • Probe overviews • 3-D magnetic field, DC waveforms and AC spectrograms • 3-D electric field, DC waveforms and AC spectrograms • Core (10eV-40 keV) ion density and velocity moments, temperature and pressure tensor, energy spectrogram • Core (5 eV-30 keV) electron temperature and pressure tensor, energy spectrogram • Energetic ion and electron fluxes • Indications when burst data has been collected • Mission Overview
Timeline • GBO thumbnails available ~5min • Raw and processed GMAG data available ~1day • Inclusion in Key Paramter data ~1day • Recovery of full resolution image ~6 months
Data Access • Data access methods: • Download from WWW • Query driven by date, site, instrument • Multiple Sites • UCB: All data and products • UCalgary: Image data and products • UCLA: GMAG data and products • UAlberta: Canadian GMAG data • NASA: Key Parameter Data • Download via TCP/IP (sftp, scp, etc.) using THEMIS data analysis software • Query driven……. • Direct access from local hard drive using THEMIS data analysis software • Query driven…….. • Download from DVD • Query driven…….. • Multicast (PGM) distribution group
Data Analysis • UCBerkeley Software Package • Extensive library of IDL programs • Single probe analysis software (FAST and WIND) • Multi-point data analysis software (ISTP and CLUSTER_II) • Ancillary Data Software • Event Modeling • Science Data Tool (SDT) developed at SSL to analyze data from FAST, WIND, CLUSTER_II, and POLAR • ASI and GMAG tools • Distributed to Co-I’s and guest investigators and available on website • Training sessions at UCB