1. THEMIS Workshop 1 UC Berkeley, 18 December 2004 Data Products and Access Tim Quinn UC Berkeley

2. THEMIS Workshop 2 UC Berkeley, 18 December 2004 Dr. Fink Asks What are the THEMIS data products?

3. THEMIS Workshop 3 UC Berkeley, 18 December 2004 Data Products

4. THEMIS Workshop 4 UC Berkeley, 18 December 2004 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

5. THEMIS Workshop 5 UC Berkeley, 18 December 2004 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

6. THEMIS Workshop 6 UC Berkeley, 18 December 2004 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

7. THEMIS Workshop 7 UC Berkeley, 18 December 2004 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

8. THEMIS Workshop 8 UC Berkeley, 18 December 2004 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

9. THEMIS Workshop 9 UC Berkeley, 18 December 2004 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