eSOC/CSSDP I/F Meeting October 25-26, 2007 Greg Enno – UofC

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 2 October 25-26, 2007 e-POP Science Objectives e-POP Instrument and Science Modes e-POP Science Operations Plan Production eSOC interfaces e-POP instrument planning cycle e-POP instrument data reduction cycle QL and summary data production eSOC/CSSDP interface details e-POP data product definitions eSOC data flow eSOC computer redundancy CSSDP interface issues and questions Outline

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 3 October 25-26, 2007 Mission Science Objectives (a) Plasma and atmospheric neutral outflows in the topside polar ionosphere ( km altitude), (b) Wave generation and particle interaction associated with these outflows, and (c) Their effects on radio wave propagation.

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 4 October 25-26, 2007 e-POP Science Objectives Plasma outflow and waves Meso-scale polar plasma outflow Micro-scale wave particle interaction Neutral escape in upper atmosphere Non-thermal atmospheric escape Radio wave propagation in plasma GPS occultation and 3D ionospheric irregularities GPS SuperDARN

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 5 October 25-26, 2007 e-POP: Questions & Measurements Polar wind and suprathermal ions Composition, density, velocity, temperature (1-40 amu, eV) Ambient and suprathermal electrons Energy, pitch angle distribution (< 200 eV) Atmospheric neutrals Composition, density, velocity, temperature(1-40 amu, < 1 km /s) Convection electric field from perpendicular ion drift velocity Auroral images Fast IR (1 Hz) and visible (0.1 Hz) imaging Field-aligned current density from magnetic field perturbations Wave electric field (ELF, VLF, HF) Ionospheric irregularities from differential GPS and CER beacon SuperDARN radar, CADI, NORSTAR... Polar wind ion and electron dynamics Role of escaping PW photoelectrons Exospheric neutral outflows from polar wind from other acceleration processes Role of charge exchange Auroral bulk upflow & energetic UFI Micro-scale ion heating in aurora Aurora, UFI, bulk upflow: connection WPI and ion energization Wave propagation Plasma instabilities F-region density structure Growth and saturation of instabilities

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 6 October 25-26, 2007 e-POP Payload: Science Instruments IRM to detect 3D ions distribution at 1 to 100 eV for 1 to 40 AMU mass species. SEI to detect the 2D electron distribution function in the energy range of 2 to 200 eV. NMS to measure neutral particle constituents. It is capable of resolving both the neutral particle composition and the flow velocity. FAI will do imaging of the near-infrared band in the range nm, and the monochromatic wavelength of 630 nm. RRI will measure the electric fields of waves in the frequency range from 10 Hz to 18 MHz utilizing 5, 15, 30 kHz selectable bandwidths. MGF will measure the ambient magnetic field with a dynamic range of  60,000 nT and a resolution of 1 nT. GAP will provide precision timing, time-of-day, spacecraft position, velocity, and attitude to both the e-POP payload and the S/C. CER will emit coherent EM radiation at three frequency bands of 150 MHz, 400 MHz,and 1067 MHz respectively to a number of arrays of ground receiver chains distributed globally. The measured signals would be used for ionospheric tomographic analysis.

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 7 October 25-26, 2007 Launch Date: Late Summer 2008 Apogee: 1500  50 km Perigee: 325  25 km Orbital Period: ~103 Minutes Inclination: 80° Initial Argument of Perigee: ~0° (Selected to result in apogee rotating northward during commissioning and in phase with the arrival of apogee into the northern polar regions by the first winter – fall launch) Right Ascension of the Ascending Node: TBD (Picked for daytime ground contact for initial operations) Precession of the RAAN: -1.1°/day (326 day period) Maximum Eclipse Time: 37 Min. 133 Day Period -2.7 °/day Cassiope Orbit

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 8 October 25-26, 2007 The science modes are a product of discussions by the Science Team and are designed to meet the scientific aims of the e-POP mission while simplifying planning and operations. The process started with the development individual instrument operating modes. These instrument modes can exists as stand-alone macros or as part of any number of relevant science modes. The operating modes are then brought together to form the e- POP science modes, based on mission aims and constraints. Command sequences which place the e-POP payload into a given science mode will reside at the MOS and will be referenced as a single time-tagged macro command. From time to time some modifications will be made to at least some of the science modes after launch in order to maximize their scientific return. e-POP Payload Science Modes

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 9 October 25-26, 2007 The science modes are selected based upon the following: the operational constraints already mentioned above inputs from the Science Team the monthly planning schedule from MOS S/C position predictions S/C attitude restrictions available S-Band and Ka-Band passes for use by e-POP As the modes are selected and their duration defined, payload resource requirements are calculated (orbit average power consumption, predicted data volume, etc.) S-band and Ka-band downlink passes are scheduled based on the anticipated data volume. S/C attitude for each science mode is defined. Finally, all the above information is integrated for a 24 hour period into an e-POP activity schedule. Once one week’s worth of activity schedules are created, they are sent to MOS in the week in advance of the first orbit in the plan. e-POP Science Operation Plan Production

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 10 October 25-26, 2007 eSOC System Interfaces Science Team Scenario Planning Mission Planner eSOC Operators Canadian Space Agency CSSDP Public ePOPDATAPRODUCTSePOPDATAPRODUCTS Science and PR Materials Raw Data and Analysis Materials PR and Outreach Materials

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 11 October 25-26, 2007 Science Operations Planning: Partners

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 12 October 25-26, 2007 e-POP Science Team Planning Flow WG Champion Science TeaM Instrument PI e-POP Sci Op Ctr Scientist-In-Charge Mission Ops System EXTernal Collab Ext Collab Update Int Collab Update Wk Sch Update Oper Sch Guide SIC Changeover Orbit Pass Table Sch Option Table Strawman Op Sch EC Coordination EC Sch Rev Req IC Sch Rev Req Wk Sch Rev Req Accepted Sch Rev Baseline Op Com Actual Op Com Quick Look Plot S-Band Data K-Band Data Monthly Op Rev Quarterly Op Rev

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 13 October 25-26, 2007 e-POP eSOC Planning Scenario Cycle Day 0. Receive input from the Science Team. 1. Verify receipt of most up-to-date planning files for the period. 2. Generate 7 days worth of e-POP activity reports, DHUC/DSU transfers, and schedule S-band and Ka-band downlinks and submit to MOS. 3. Clear up conflicts on S/C Resources. 4. Clear up conflicts on S/C Resources (contingency). Notes: A scan for newly down-linked data will be done daily and, if present, loaded from the eSOC ftp drop box. This process will be automated, but could also be initiated at the request of the operator.

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 14 October 25-26, 2007 MOS Planning/eSOC Planning Dovetail -1 Orbit Constraints TTCS & GT Pass Schedules (4 weeks) e-POP Science Team Planning Input Cycle (2 weeks) eSOC Planning Cycle (1 week)* MOS Planning Cycle (1 week)* 1 week of Cassiope Operations Use of most up-to-date predicted orbit and attitude data (Provided daily) Predicted orbit & attitude data * Ignores the fact that the eSOC and MOS planning cycles can continue up to 24 hours prior to the run of a given orbit.

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 15 October 25-26, 2007 MOS Planning/eSOC Planning Dovetail -2 Note: Weekly planning at eSOC and MOS in lock-step with weekly satellite operations. Nesting of two e-POP science team planning loops is necessary. Predicted orbit and attitude data files are utilized routinely (MOS use of these files is not shown).

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 16 October 25-26, 2007 e-POP eSOC Data Reduction Cycle Day 0. Receive data from MOS and/or GT in eSOC ftp drop box or delivered on media (~15 Gbytes of raw data per day) 1. Verify receipt all the science and HK data for the period and report back success. 2. Generate QL data products and stage all data files for archival on CSSDP. 3. Report any anomalies discovered in either the data or the TM framing to MOS. Report instrument abnormalities to both MOS and the Science Team. 4. Contingency. Notes: A scan for newly down-linked data will be done daily and, if present, loaded from the eSOC ftp drop box. This process will be automated, but could also be initiated at the request of the operator. Once the data staging area gets to the high water mark at eSOC, the next volume of the local permanent archive is generated.

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 17 October 25-26, 2007 e-POP QL Real Time Display

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 18 October 25-26, 2007 e-POP QL Production

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 19 October 25-26, 2007 e-POP/CSSDP Interfaces eSOC Operators Transfers from the Secure Web Server (push?) raw (L1), analyzed (L2), QL, & summary data to CSSDP Submits updates to QL, summary and analysis tools produced at eSOC e-POP Visiting Scientists Accesses CSSDP via Science Access Computer as an end user (either public or private) e-POP Science Team Accesses CSSDP as an end user (either public or private) at their home institutions May also submit updates to QL, summary and analysis tools * CSA Access of e-POP data as per relevant CSA/CSSDP data policies General Space Science Community Access of e-POP data as per CSA/CSSDP data policies augmented by e-POP/CSSDP data policies, if any General Public Access of e-POP data as per CSA/CSSDP data policies augmented by e-POP/CSSDP data policies, if any * Submissions may go through eSOC instead of directly to CSSDP

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 20 October 25-26, 2007 e-POP Data Product Definitions Raw Instrument data in their original CCSDS packets from the DHUC virtual channel. Level 0 Reconstructed raw instrument data (science packets) at full spatial and temporal resolution. Includes ancillary information that may be required in subsequent processing. Level 1 Calibrated data in physical units at full spatial and temporal resolution. Instrument information as well as ancillary data is used in processing the data. Level 2 Physical parameters derived from Level 1 data at full spatial and temporal resolution (e.g., plasma velocities derived from doppler-shifted frequencies). Level 3 Physical parameters that have been spatially and/or temporally re-sampled from lower level data (e.g., auroral images re-sampled onto a geographic grid). Level 4 Physical parameters derived from model-based processing of lower level data (e.g., ionospheric currents derived from a model that uses magnetometer data as an input). Metadata Information about the data describing the content, quality, condition, history, and other characteristics of the data (e.g., how, when, and by whom the data was received, created, accessed, and/or modified and how it is formatted). Ancillary Data required to process instrument data but not produced by the instrument (e.g. calibration, S/C attitude and position data, S/C and instrument housekeeping telemetry, S/C time conversion to UTC, geophysical and solar activity parameters, science data from other instruments, including those on other satellites as well as those on the ground).

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 21 October 25-26, 2007 eSOC Data Flow Mission Operations System (MOS) MOS S-Band Data Server Public Data e-POP Science Planning PC (ITOS) Space Science Data Portal CSSDP

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 22 October 25-26, 2007 eSOC Computer Redundancy

CASSIOPE Edmonton eSOC/CSSDP I/F Meeting Page 23 October 25-26, 2007 CSSDP Interface Issues and Questions Need to synchronize definitions: Make sure that what is meant by QL, summary, and level 0, 1, 2 e-POP data is understood and agreed to on both side of the I/F and what will be provided (and when) from eSOC. Need to define level of access in the CSSDP for each category of data products: Level of access for eSOC operators Public vs private access Access for Science Team vs the science community at large Instrument PI’s control of data quality (QA) What level of support is required of eSOC to implement QL, summary, and analysis tools on the CSSDP? What is the timeframe? What is CSSDP’s definition of data analysis? What is CSSDP’s scope of data visualization? CCGP issues?