Topic Objective Solar Condition / Rank XRT Type Exposure time Cadence Filters in inner loop XRT FOV Duration Description SOT Support EIS Support (see attachment) Ground Support Space Support
Stress buildup To determine where and how free energy is stored in the corona. AR preflare: Highest Topology 1 sec/ 4sec/ 8 sec; AEC 45 sec 2 512x512 5 days High resolution; 2-3 filters; moderate FOV; high/moderate cadence; 24 hours continuous Program 1c Program 1a H-alpha EUV imaging (TRACE, SDO)
Flows/Longitudinal waves; MHD waves To determine whether waves are seen in coronal active regions. AR/FL : High Dynamic 4 sec; Fixed 1 min 1 1024x1024 5 days High cadence; 1 filter at a time; 2hours continuous; low compression rate; For flaring AR use pre-flare buffer to take high cadence 1-filter data. Program 1b Program 1a   EUV imaging (TRACE, SDO)
MHD wave heating To determine the role of waves in transporting energy and momentum to the corona. AR: High Dynamic 1 sec; AEC 10 sec/ 1 min 1 512x512 3 days High cadence; highest angular resolution; 1 filter at a time; fixed exposures; 2 hours continuous; lossless; prefer non-flaring AR; for later runs, include 2 filters for T & EM Program 1c Program 1a   EUV imaging (TRACE, SDO)
Loop Life Cycle To determine how coronal loops appear and disappear. AR: Medium Energetics 8 sec; AEC 1 min 3 512x512 6 days 3-4 filters; 24 hours continuous Program 1e Context + 2b Large fov magnetograms EUV imaging (TRACE, SDO)
Loop Thermal Structure To establish the basic observables, T and ne, of coronal loops. AR: High Energetics 8 sec; AEC 1 min 5 512x512 6 days 5-7 filters; 24 hours continuous Program 1e Program 1b Large fov magnetograms EUV imaging (TRACE, SDO)
Jet initiation To establish the conditions under which coronal jets are produced. AR: Medium Energetics 4 sec; AEC 45 sec 2 512x512 6 days High cadence; high resolution; 2-3 filters; 2-3 hours (burst mode) 1-2 times per day; center FOV on western edge of AR Program 1c Context + 2b   EUV imaging (TRACE, SDO)
AR-AR interconnection To determine the nature of interactions between structures in different Ars. AR emerging: High Energetics 4 sec/ 45 sec; AEC 1 min 2 512x512 4 days 2 filters; long & short exposures; high resolution; moderate cadence; moderate FOV; 3 day continuous Program 1c Context + 2b Large fov magnetograms EUV imaging (TRACE, SDO)
Jet Life Cycle To track the evolution of coronal jets over their full observable lifetime. AR Emerging: Medium Dynamic 1 sec/ 4sec/ 8 sec,AEC 15 sec 2 512x512 4 days High cadence; 2-3 filters; 2-3 hours (burst mode) 1-2 times per day Program 1c Program 2b   EUV imaging (TRACE, SDO)
Filament Activation To establish the conditions under which filaments and prominences become active in the corona. AR/QS: Low Topology 8 sec/ 45 sec; Fixed 1 min 2 768x768 3 days 2 filters; long & short exposures; 24 hr continuous Program 3 Context + 3 Large fov magnetograms; large fov H-alpha EUV imaging (TRACE, SDO)
Separatrix Heating To locate active separatrices in the corona. AR/QS: Low Topology 8 sec/ 45 sec; AEC 1 min 2 512x512 12 hours 2 filters; long & short exposures; 12 hr continuous Program 1c Context + 2a Large fov magnetograms EUV imaging (TRACE, SDO); Stereo
Nano-Flares To measure the power spectrum of the smallest detectable flare events in the corona. AR: Low Energetics 8 sec; AEC 1 min 3 512x512 3 days 3 filters; 24 hours continuous Program 1e Context + 2a Large fov magnetograms EUV imaging (TRACE, SDO)
LASCO-XRT Downflow simultaneity To locate and determine the properties of postflare downflows in the upper branches of flare reconnection sites. CH/AR/Flare-post: High Topology 45 sec; Fixed 1 min 2 1024x1024 3 days 1-2 filters; long exposures; region near limb (CMD > 45 degrees); large FOV; moderate cadence Program 3 Context Coronagrams EUV imaging (TRACE, SDO); Stereo; LASCO
Filament structure To determine the topology of coronal structures in and around filaments. AR/QS: Medium Energetics 32 sec; AEC 1 min 3 512x512 2 days 3-4 filters; 24 hour continuous Program 2a Hot & cool line vel; Context+Program 3 Large fov magnetograms; large fov H-alpha EUV imaging (TRACE, SDO); Stereo
XBP Topology To find the topological structure of X-ray bright points. QS: Medium Topology 1 sec/ 45 sec; AEC 1 min 1 512x512 2 days 1 filter at a time; long and short exposures; 10 hours per filter; Program 2a Slot images; coordinate lines with XRT filter changes; Context + 1b + 2a He 10830; H-alpha EUV imaging (TRACE, SDO)
XBP Thermal Structure To determine the coronal T and ne of X-ray bright points. QS: High Energetics 8 sec; AEC 1 min 4 512x512 2 days 4-6 filters; 24 hour continuous Program 2a Program 2b He 10830; H-alpha EUV imaging (TRACE, SDO)
XBP Life Cycle To track the evolution of XBP over their full observable lifetime. QS: Medium Energetics 32 sec; AEC 3 min 3 512x512 2 days 3-4 filters; 24 hour continuous Program 2a Cool context He 10830; H-alpha EUV imaging (TRACE, SDO)
Magnetic carpet To determine the observable properties of the small-scale B. QS/CH/ Polar CH: Low Topology 16 sec/45 sec; AEC 2 min 1 512x512 2 days Thin filter, long and short exposures; moderate cadence; 24 hours; Program 1e Context He 10830 EUV imaging (TRACE, SDO)
Coronal Hole Boundary To measure the locations and evolution of coronal hole boundary structures. CH: Medium Dynamic 32 sec; Fixed 2 min 1 1024x512 6 days Moderate cadence; 1-2 filters; 24 hours continuous; Program 1e Context + 1b Large fov magnetograms; He 10830;  
Polar Plume Jets To track the evolution of polar plumes and related jets over their full observable lifetime. CH Polar: Low Dynamic 32 sec; Fixed 45 sec 1 1024x512 3 days High cadence; 1 filter at a time; 2hours continuous; low compression rate Program 1e Program 1d (cool line list) Large fov magnetograms; He 10830; EUV imaging (TRACE, SDO)
Flare Onset To find the locations and basic observable properties of flare initiation sites in the corona. FL: High Dynamic 0.1 sec; Fixed? 10 sec 1 1024x1024 24 hours total 1-2 filters; high cadence; use flare buffer Program 3 Context + 1b Large fov magnetograms; large fov H-alpha EUV imaging (TRACE, SDO); Stereo
Flare Topology To determine the coronal configuration(s) that lead to flares. FL: Highest Topology 1 sec/ 4sec/ 8 sec; Fixed 30 sec 2 1024x1024 24 hours total 2-3 filters; long & short exposures; use flare buffer Program 3 Context + 1b Large fov magnetograms; large fov H-alpha EUV imaging (TRACE, SDO); Stereo
CME Acceleration To measure the eruption speeds of CMEs as they first develop and leave the solar surface. FL Limb: Highest Dynamic 0.1 sec; Fixed 10 sec 2 2048x2048 24 hours total 2 filters; high cadence; use flare buffer Program 3 Context + 3 Large fov magnetograms; large fov H-alpha EUV imaging (TRACE, SDO); Stereo
Current Sheet Inflows To locate and measure the properties of inflows in flare current sheets in the corona related to flares. FL Limb: High Dynamic 32 sec; Fixed 45 sec 1 2048x2048 24 hours total 1 filter; high cadence; flare response; long exp Program 3 Context + 3 Large fov magnetograms; large fov H-alpha EUV imaging (TRACE, SDO); Stereo
Supra-arcade downflows To locate and measure the properties of supra-arcade downflows in flares. FL Limb: Medium Dynamic 0.1 sec; Fixed 10 sec 1 1024x1024 48 hours total High cadence; 1 filter; 2 hours continuous; large FOV; moderate resolution; CMD > 45 degrees Program 1c Context + 1b   EUV imaging (TRACE, SDO)
Arcade fan formation/oscillation To determine how and when fans form and measure their oscillations. FL Limb: Medium Energetics 0.1 sec; Fixed 10 sec 2 1024x1024 48 hours total High cadence; 2 filters; large FOV; moderate resolution Program 1c Context + 1b   EUV imaging (TRACE, SDO)