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Contents
List of Figures
List of Tables
1
. Introduction
1
.
1
Purpose and Scope of this Document
2
. Mission Description
2
.
1
Spacecraft: Orbit and Attitude
2
.
2
Overview of
XRISM
Instruments
2
.
2
.
1
X-ray Mirror Assembly (XMA)
2
.
2
.
2
Resolve
2
.
2
.
3
Xtend
3
. Observation Policies
3
.
1
Data Rights
3
.
2
Target Selection and Prioritization
3
.
3
Target of Opportunity (TOO) Proposals
3
.
4
Pointing Constraints
3
.
5
Events After Submission
4
. X-Ray Mirror Assembly (XMA)
4
.
1
XMA Components
4
.
1
.
1
Mirror Part
4
.
1
.
2
Pre-Collimator
4
.
1
.
3
Thermal shields and heaters
4
.
2
Expected Performance
4
.
2
.
1
Focal Positions and Optical Axis
4
.
2
.
2
Effective Areas
4
.
2
.
3
Vignetting
4
.
2
.
4
Angular Resolution
4
.
2
.
5
Stray Light
5
. Resolve
5
.
1
Overview
5
.
2
The microcalorimeter
5
.
2
.
1
Photon detection
5
.
2
.
2
Anti-coincidence detector and particle background
5
.
3
Event processing system
5
.
3
.
1
Event triggering
5
.
3
.
2
Pulse height determination
5
.
3
.
3
Event grading: low, mid, and high-res grades
5
.
3
.
4
Event grade branching ratios
5
.
3
.
5
Pulse Shape Processing limit
5
.
3
.
6
Cross-talk
5
.
4
Detector gain
5
.
5
Line spread function
5
.
6
Calibration sources and MXS operations
5
.
7
Background
5
.
8
Planning observations with Resolve
5
.
8
.
1
Filter selection
5
.
8
.
2
Observing faint to moderately bright point sources
5
.
8
.
3
Observing extended sources
5
.
8
.
4
Observing bright sources
6
. Xtend/SXI
6
.
1
Xtend Basics
6
.
2
Observation Options for General Users
6
.
3
Things to Be Considered for Bright Source Observations
6
.
3
.
1
Photon Pileup
6
.
3
.
2
Out-of-Time Events
6
.
3
.
3
Sacrificial Charge
6
.
4
SXI in Depth
6
.
4
.
1
X-ray Detection Mechanics and Operation
6
.
4
.
2
Charge Transfer Inefficiency and Charge Injection Operation
6
.
4
.
3
Hot Pixels
6
.
4
.
4
Area Discrimination
6
.
4
.
5
Supporting Components
6
.
4
.
6
Change from the
Hitomi
SXI
7
. Observations of Extended Sources
7
.
1
Challenges of analyzing extended sources
7
.
2
Facing the challenge: methods and prospects
7
.
3
Consequences and general considerations
8
. Resolve Observations of Bright Sources
8
.
1
Challenge: High-Resolution Event Rates
8
.
2
Challenge: Event Loss
8
.
3
Challenge: Minimizing Cross-talk
8
.
4
Observing Strategies: Filters and Off-Axis Pointing
8
.
5
Filtering Cross-talk on the Ground
8
.
6
Summary of Observing Recommendations
References
