Index

attitude

AMCS: Attitude Measurement and Control | A.2 Important Dates
control software: In-Orbit Performance
disabled wobble: A.2 Important Dates
failure: Effective Area
file: 9.2 REV0 Data in
inaccuracy studies: D.3 Performed Investigations
incorrect star pattern: A.2 Important Dates
information: 9.2 REV0 Data in
loss: A.2 Important Dates | A.2 Important Dates | A.2 Important Dates | A.2 Important Dates
measurement and control system: Attitude Measurement and Control
problems: In-Orbit Performance
safe mode: A.2 Important Dates
software patch: A.2 Important Dates
software update: Command and Data Handling
STC-2 loss: A.2 Important Dates
update: A.2 Important Dates
Y-gyro loss: A.2 Important Dates
Z-gyro failure: A.2 Important Dates

attitude solution

assesment: Assessment of Efforts to
boresight studies: D.3 Performed Investigations
boresighting: 2.2 XMA/Detector Boresight Calibration
correction algorithm: D.3 Performed Investigations
error: Aspect Reconstruction and Attitude | Roll Angle
fiducial light filter: XRT Star Trackers (STC)
improvement: Assessment of Efforts to | D.2 Assessment
new scale factor: D.3 Performed Investigations
position offset: Roll Angle
star catalogue entries: D.3 Performed Investigations
time-varying errors: Absolute Positions

AXAF

background

after-pulses: Other Possible Contributions to
auroral induced X-ray: Auroral Induced X-Ray Background
cosmic rays: Background
cosmic X-ray: Cosmic X-ray Background
externally induced: Background
geocoronal: Filters
glow phenomenon: Background
HRI: Background
internal background: Background
particle: South Atlantic Anomaly Detectors | Particle Background
PSPC: 3.6 PSPC Background
scattered solar X-ray: Scattered Solar X-ray Background
WFC: Background
X-ray: Background

battery

Absolute Flux Calibration

BBXRT

binning

anode wire grid: Spatial Variations
detector response matrix: Notes on the Spectral
radial annuli: Vignetting
SASS channels: Notes on the Spectral

blur

off-axis: Off-Axis Blur of the
radius: Off-Axis Blur of the

BMFT

1.1 Mission Overview | 1.1 Mission Overview | 1.1 Mission Overview

boresight

calibration: 2.2 XMA/Detector Boresight Calibration
calibration results: Boresight Calibration Results
correction: Boresight Calibration Results | Calibration-related Memos and Publications
error underestimation: Boresight Calibration Results
offset: Calibration-related Memos and Publications
result: Boresight Calibration Results
studies: D.3 Performed Investigations

boron filter

convolution into response matrix: 4.2 Mirror plus PSPC
observation: Spectral Response
transmission: Boron Filter | Calibration-related Memos and Publications

calibration

absolute flux: Absolute Flux Calibration
boresight: 2.2 XMA/Detector Boresight Calibration
in-flight: Point Spread Function
mission phase: 1.3 Planned Mission Phases
observations: Guide to PSPC Calibration
PANTER test facility: Reflectivity of Gold | Rate-Gain Effect
tasks: 7.1 PSPC Calibration Tasks

calibration files

PSPC: Calibration Files for Standard

calibration line

Al K: Temporal Gain Variations | Spectral Response Matrix
Al K: PSPC Gain
Al K: Gain Saturation
Al K: Temporal Gain Correction
Al K: Particle Background
Al K: F.1 Bin of Aluminum
B K: Temporal Gain Variations | Spectral Response Matrix
Fe K: Spectral Response Matrix
monochromatic: MPE Notes on the
Si: Spectral Response

calibration phase

PerformanceVerification, and Calibration

calibration source

see calibration target

calibration target

3C 272: Absolute Flux Calibration
CAR: CARLEO, and
LEO: CARLEO, and
Dor: DorAur, EPS
Aur: DorAur, EPS
A 2256: Long-term stability | A 2256
AR Lac: Point Spread Function | AR Lac
BPM 97895: GD 695BPM 97895,
Cas A: Cas A
Crab: Rate-Gain Effect | MPE Notes on the | Crab
Cyg X-2: Point Spread Function | Cyg X-2
Cyg X-3: Cyg X-3
EG 187: GD 695BPM 97895,
EPS Lyr: DorAur, EPS
GD 695: GD 695BPM 97895,
HZ 43: Long-term stability | Spatial Variations in Effective | Spectral Response | HZ 43
LMC X-1: LMC X-1
LMC X-3: LMC X-3
Meaty: Spectral Response | Meaty
Mkn 421: Mkn 421
N132D: Absolute Flux Calibration | Long-term stability | Spectral Response | N132D
Vega: Long-term stability | UV Leak | CARLEO, and
Vela X: Vela X

Cape Canaveral

Command and Data Handling | Wide-Field Camera (WFC)

CDHS

see command and data handling system

command and data handling system

comparison HRI ROSAT/Einstein

Comparison to the

component

PSF: In-flight Point Spread
background: Background | Positional Accuracy | Background
extended X-ray emission: Point Spread Function
far-UV: UV Sensitivity
loss of hardware: Command and Data Handling
magnetic vector: Magnetometer
PSF: XMA Scattering Profile | Off-Axis Blur of the
wide-field camera: 6.1 Description of the
X-ray background: Background | General Assumptions

constraint

atmospheric drag: Atmospheric Drag
Earth: Earth Occultations
Moon: The Moon
observing: 1.4 Observing Constraints
oygen: Atomic Oxygen
radiation belts: The South Atlantic Anomaly
South Atlantic Anomaly: The South Atlantic Anomaly
Sun: The Sun
X-ray sources: Strong X-ray Sources

coordinate frame

astronomical: Roll Angle
equivalent polar: Celestial Inertial Reference Frame
spacecraft: ROSAT Coordinate System

coordinate system

cartesian relative: Cartesian Relative Coordinate System | Cartesian Relative Coordinate System | Image Display Coordinate System
celestial: Calibration-related Memos and Publications
celestial inertial reference frame: Celestial Inertial Reference Frame
detector: Positional Accuracy
ecliptic: Celestial Inertial Reference Frame
equatorial: Celestial Inertial Reference Frame
image display: Image Display Coordinate System | Image Display Coordinate System
North/South: Image Display Coordinate System
spacecraft: Coarse Sun Sensor (CSS) | Magnetometer | ROSAT Coordinate System | Calibration-related Memos and Publications
XRT: 2.5 XRT Coordinate Systems

coordinates

correction: Large Scale Non-linearity (Window
detector: PSPC Readout System () | Positional Response for Events | Calibration-related Memos and Publications
sky: Window Support Structure | Plate Scale

Crab

Rate-Gain Effect | MPE Notes on the | Spectral Response

Crab Nebula

MPE Notes on the | MPE Notes on the

CSS

see sun sensor

DASA

Assessment of Efforts to

data

HRI: 9.2 REV0 Data in | 9.2 REV0 Data in
official archived products: 9.1 Product Overview
pointed observation: 8.3 Data Set of
PSPC: 9.2 REV0 Data in | 9.2 REV0 Data in
public: 8.3 Data Set of
RDF format: 9.4 REV2 Data in
RDF products: 9.4 REV2 Data in
responsibility: 9.1 Product Overview
REV0: 9.2 REV0 Data in
REV1: 9.3 REV1 Data in
REV2: 9.4 REV2 Data in
ROSAT archive: 9.1 Product Overview
storage: Data Storage and Transmission
transmission: Data Storage and Transmission

Data Products Guide

9.4 REV2 Data in

data rate

Command and Data Handling

database

Summary of ROSAT On-line

management system INGRES: 8.2 System Design | F.1 Bin of Aluminum
ROSAT: Summary of ROSAT On-line
steering: F.1 Bin of Aluminum

dead time

correction: Event Timing
HRI: Time Variability Studies
loss: Event Timing
PSPC: 3.7 Dead Time of
WFC: Operational Modes

Delta-II

detector

HRI: 5.2 Performance of the
map: Vignetting | Total Spectral Response Effective
PSPC: Position-Sensitive Proportional Counter (PSPC)
PSPC-B: X-ray Transmission of the
PSPC-C: X-ray Transmission of the
WFC: Detectors

detector response matrix

Gain Saturation

fudged: Caveat Emptor:
HRI: Spectral Response Matrix
MPE notes: MPE Notes on the
notes: Notes on the Spectral
PI channels: For PROS users:
PSPC: Detector Response Matrices
rebinning: Notes on the Spectral
SASS channels: For PROS users:

discriminator setting (PSPC)

Ghost Images

Earth occultations

Earth Occultations

ecliptic plane

Celestial Inertial Reference Frame

effective area

Einstein: Comparison to the
HRI: Effective Area
PSPC: 3.3 Quantum Efficiency of
PSPC+XMA: Total Spectral Response Effective
WFC: Effective Area
XMA: 2.3 Effective Area of | Calculated Effective Area
XRT: Reflectivity of Gold

Einstein

effective area: Comparison to the
HRI: UV Response | Comparison to the | Comparison to the
Observatory: 1.1 Mission Overview | Detection of Previously Unknown
PKS 2155-304 data: MPE Notes on the
RDF formats: 9.4 REV2 Data in
SSS: Absolute Flux Calibration
telescope: Comparison to the

electron

cloud: Calibration Files for Standard
primary: Calibration Files for Standard

energy resolution

3.4 Spectral Property of | MPE Notes on the | Background

equatorial reference system

equinox

Celestial Inertial Reference Frame

error

aspect: On-Axis PSF | On-Axis PSF | Positional Accuracy | Aspect Reconstruction and Attitude | Exposure Map
attitude: Aspect Reconstruction and Attitude | Roll Angle
boresight: 2.2 XMA/Detector Boresight Calibration | Boresight Calibration Results | Aspect Reconstruction and Attitude
detector response: Notes on the Spectral | MPE Notes on the
figuring: Point Spread Function
gain: Calibration-related Memos and Publications
ground calibration: MPE Notes on the
linearisation: Positional Accuracy
magnetometer: Magnetometer
position: A.2 Important Dates | Roll Angle
PSPC timing: 9.3 REV1 Data in
random: On-Axis PSF
roll angle: A.2 Important Dates | Roll Angle
source: 93jan12 Matrix
star tracker: Boresight Calibration Results
statistical: Spectral Response Matrix
sun sensor: Coarse Sun Sensor (CSS)
systematic: Boresight Calibration Results | Vignetting | Spectral Response Matrix | Hardness Ratios | D.3 Performed Investigations
time-varying: Absolute Positions
typographical: XMA Scattering Profile

ESA

Focus and Penetration Effects

event

see photon event

event timing

HRI: Event Timing
PSPC: 3.8 Timing of the
WFC: Timing

events

A.2 Important Dates

all-sky survey: 1.1 Mission Overview | All-Sky Survey | A.2 Important Dates
begin of HRI observations: A.2 Important Dates
end of PSPC observations: A.2 Important Dates
first light: A.2 Important Dates
launch: 1.1 Mission Overview
revive: A.2 Important Dates
Tausend und Eine Nacht: A.2 Important Dates

EXSAS

92mar11 Matrix | 8.1 Purpose | 9.2 REV0 Data in | Information Services | ROSAT Data Archive (RDA)

extended object

sensitivity: Background

externally induced background

Background

fiducial light filter

XRT Star Trackers (STC)

field of view

HRI: Field of View
star tracker: XRT Star Trackers (STC)
WFC: Mirrors

filter

boron: Boron Filter
fiducial light: XRT Star Trackers (STC)
opaque: Filters
pointing (P1/P2): Filters
PSPC: Boron Filter
survey (S1/S2): Filters
UV: Filters
UV/ion: General Assumptions
WFC: Filters
wheel: Four Positions | Filters

FITS

format: 4.2 Mirror plus PSPC
products: 9.1 Product Overview

flux

HRI: Flux of a
PSPC: Absolute Flux Calibration

focal plane

focus effect

format

FITS: 4.2 Mirror plus PSPC
RDA: 9.4 REV2 Data in

gain

drift: Filters
maps: Spatial Gain Variations
PSPC: PSPC Gain
variation: Spatial Variations | Spatial Variations | Spatial Variations | Temporal Gain Correction | Temporal Gain Correction | Spatial Gain Variations | B.2 Spectral

gas control system

Gas Control System

density control: Gas Control System | Gas Control System
gas diffusion: Gas Control System
gas mixture: Gas Control System
gas tanks: Gas Control System

ghost images

Positional Response for Events | 4.1 Spatial Resolution | Ghost Images | Calibration-related Memos and Publications

Ginga

MPE Notes on the

ground station

1.1 Mission Overview | In-Orbit Performance

contact: 1.1 Mission Overview
data transmission: Data Storage and Transmission
Oberpfaffenhofen: 1.1 Mission Overview
Weilheim: In-Orbit Performance

GSFC

E.2 On-Line Services at

GSOC

1.1 Mission Overview | Assessment of Efforts to

guest observer

1.3 Planned Mission Phases

gyro

replacement: Magnetometer

gyros

Attitude Measurement and Control

S-gyro: Coarse Sun Sensor (CSS)
X-gyro: In-Orbit Performance | Coarse Sun Sensor (CSS)
Y-gyro: In-Orbit Performance | Coarse Sun Sensor (CSS)
Z-gyro: In-Orbit Performance | Coarse Sun Sensor (CSS)

HEASARC

HEASARC Services

high voltage

observations with ON/OFF occurrence: High Voltage
problem: High Voltage

high-resolution imager

see HRI

history

mission: Mission History
processing: 9.4 REV2 Data in

home page

World-Wide Web

hot spot

HRI: Hot spot Appearance
PSPC: PSPC Gain

HRI

1.1 Mission Overview | High-Resolution Imager (HRI)

absolute position: Absolute Positions
background: Background
comparison ROSAT/Einstein: Comparison to the
count rate estimation: General Assumptions
dead time: Time Variability Studies
dead time correction: Event Timing
detector response matrix: Spectral Response Matrix
effective area: Effective Area
Einstein: 5.2 Performance of the
event timing: Event Timing
field of view: Field of View
flux: Flux of a
gain variation: Spatial Gain Variations
high voltage increase: High Voltage Increase
hot spot: Hot spot Appearance
hot spot deleting: Viewing and Deleting
in-flight performance: In-flight Point Spread
intrinsic resolution: Pre-flight measurements
long-term stability: Long-term stability
observation feasibility: 5.3 Feasibility of Observations
performance: 5.2 Performance of the
PHA distribution: Spectral Response
point source sensitivity: Point Source Sensitivity
point spread function: In-flight Point Spread
quantum efficiency: Off-axis Effective Area
source count rate: Source Count Rates
spatial response: Spatial Response
spectral response: Spectral Response
time variability studies: Time Variability Studies
timing problem: B.4 HRI Timing Problems
UV leak: UV Response
UV sensitivity: UV Response
UV/ion filter: General Assumptions

in-orbit performance

In-Orbit Performance | In-Orbit Performance

HRI: In-flight Point Spread
WFC: 6.2 Performance of the

information service

AIT: Information Services
GSFC: HEASARC Services
MPE: Information Services
UKRDAC: Information Services

internal background

Background

internet

World-Wide Web

intrinsic resolution

4.1 Spatial Resolution

HRI: Pre-flight measurements
PSPC: Intrinsic Resolution of the

launch

PerformanceVerification, and Calibration

Space Shuttle: 1.1 Mission Overview

long-term stability (HRI)

Long-term stability

loss

attitude: A.2 Important Dates | A.2 Important Dates | A.2 Important Dates
non-redundant AMCS component: In-Orbit Performance
observations: A.2 Important Dates | A.2 Important Dates
observing time: A.2 Important Dates
PSPC-C: A.2 Important Dates
S2a filter: Filters | A.2 Important Dates
star tracker STC-2: A.2 Important Dates | A.2 Important Dates
STC-2: XRT Star Trackers (STC)
WFC sensitivity: Effective Area
Y-gyro: A.2 Important Dates

magnetic field

Magnetometer

magnetometer

Coarse Sun Sensor (CSS) | Magnetometer | Magnetometer

microchannel plate

6.1 Description of the

mini-survey

MIPS

see mission information & planning system

mirror

blur term: Gaussian Intrinsic Resolution and
projected geometric area: Vignetting
surface roughness: XMA Scattering Profile
WFC: Mirrors
X-ray telescope: 2.1 XRT Mirror Assembly

mirror scattering

Mirror Scattering | XMA Scattering Profile | On-Axis PSF

angular resolution: 2.4 Angular Resolution of
energy dependence: XMA Scattering Profile | On-Axis PSF
off-axis angle dependence: XMA Scattering Profile
off-axis blur: 2.4 Angular Resolution of
small-angle: Mirror Scattering

mission

ASCA: 9.4 REV2 Data in
ASTRO-E: 1.1 Mission Overview
AXAF: 1.1 Mission Overview
Einstein: 1.1 Mission Overview
history: Mission History
ROSAT: 1.1 Mission Overview
UHURU: 1.1 Mission Overview
XMM: 1.1 Mission Overview

mission information & planning system

Mission Information and Planning

mission phase

all-sky survey: 1.1 Mission Overview | All-Sky Survey
planned: 1.3 Planned Mission Phases
pointed observation: 1.3 Planned Mission Phases | Pointed Observations
PVC: 1.3 Planned Mission Phases | PerformanceVerification, and Calibration

mode

reduced-pointing: In-Orbit Performance
safe: South Atlantic Anomaly Detectors
WFC: Operational Modes
wobble: Attitude Measurement and Control

MPE

1.1 Mission Overview | A.1 General Spacecraft and | Assessment of Efforts to

PANTER test facility: Rate-Gain Effect | PSPC Spatial Resolution
RDA: ROSAT Data Archive (RDA)
Report: A.2 Important Dates | A.2 Important Dates | A.2 Important Dates
RSDC: E.1 On-Line Services at

NASA

1.1 Mission Overview | A.1 General Spacecraft and

Neuried

XMA Scattering Profile

Oberpfaffenhofen

1.1 Mission Overview | 8.1 Purpose

occultation

Earth: Earth Occultations
mesh grid wires: Window Support Structure

off-axis blur

4.1 Spatial Resolution

on-line database

Summary of ROSAT On-line

on-line service

GSFC: E.2 On-Line Services at
GXUVDC: E.4 On-Line Services at
MPE RSDC: E.1 On-Line Services at
UKRDAC: E.3 On-Line Services at

opaque filter

operating system

VMS: 8.2 System Design

oversampling

Notes on the Spectral

oxygen

absorption trough feature: MPE Notes on the
atomic: Atomic Oxygen | Scattered Solar X-ray Background | Calibration-related Memos and Publications
edge: Cyg X-2
impurities: X-ray Transmission of the
particle flux: Calibration-related Memos and Publications

P1/P2 filter

PANTER test facility

PSPC calibration: Rate-Gain Effect | 93jan12 Matrix | PSPC Spatial Resolution
XMA calibration: PSPC Spatial Resolution

payload

Focus and Penetration Effects

penetration effect

performance

In-Orbit Performance

HRI: 5.2 Performance of the
mission phase: 1.3 Planned Mission Phases
PSPC: 3.2 Operation

PHA distribution (HRI)

Spectral Response

phase-A

Calibration Files for Standard

photon

absorbed: Spatial Variations
arrival time: Time Variability Studies
energy: 3.2 Operation
far-UV: UV Sensitivity
index: Rate-Gain Effect | MPE Notes on the
K-shell: Four Positions
opaque filter: Filters
pulse height: Dependence on Pulse Height
radial struts interference: 4.1 Spatial Resolution
redistribution: Notes on the Spectral
redistribution matrix: Method of Determination | 4.2 Mirror plus PSPC
resonantly scattered: Background
X-ray: Calculated Effective Area | 3.2 Operation | 3.2 Operation | After-pulses
XUV: UV Sensitivity

photon event

AMPL: Calibration Files for Standard
low pulse height: After-pulses
position: Calibration Files for Standard
signal: Calibration Files for Standard
TIME: Calibration Files for Standard
XDET: Calibration Files for Standard
XPIX: Calibration Files for Standard
YDET: Calibration Files for Standard
YPIX: Calibration Files for Standard

PI

see pulse height, invariant channel

PI

see principle investigator

point source

detection cell: General Assumptions
image: Focus and Penetration Effects | Focus and Penetration Effects | On-Axis PSF
mesh shadowing: Window Support Structure
off-axis: 4.1 Spatial Resolution | Off-Axis PSF
sensitivity: Background | Point Source Sensitivity
surface brightness distribution: In-flight Point Spread

point spread function

HRI: In-flight Point Spread
parameter determination: XMA Scattering Profile
WFC: Point Spread Function | Point Spread Function
XMA+PSPC: 4.1 Spatial Resolution

pointed observation

Pointed Observations

data set: 8.3 Data Set of
operational test: 1.3 Planned Mission Phases
phase: 1.1 Mission Overview
public: 8.3 Data Set of

pointing

LMC: A.2 Important Dates

position-sensitive proportional counter

see PSPC

positional accuracy

PSPC: 3.5 Positional Property of
WFC: Positional Accuracy

precession

prephase-A

Command and Data Handling

Prescott function

F.1 Bin of Aluminum

principle investigator

1.1 Mission Overview | Boresight Calibration Results | Spectral Response | 9.1 Product Overview

problem

attitude: Aspect Reconstruction and Attitude
exposure map: Exposure Map
ghost images: Ghost Images
high voltage: High Voltage
HRI timing: B.4 HRI Timing Problems
PSPC timing: B.3 PSPC Timing Problems
roll angle error: Roll Angle
temporal gain variation: B.2 Spectral
unresolved: B.5 Warning: Unresolved Problems

processing

OBI: OBI Processing
SAV: SAV Processing
SEQ: SEQ Processing
TEL: TEL Processing

processor system

products

archive release: 9.3 REV1 Data in
Data Products Guide: 9.4 REV2 Data in
RDF format: 9.4 REV2 Data in
REV0: 9.2 REV0 Data in
REV1: 9.3 REV1 Data in | 9.4 REV2 Data in
standard: Standard Products of the
typical data sets: 9.2 REV0 Data in

profile

radial: Vignetting | Focus and Penetration Effects | 4.1 Spatial Resolution | Focus and Penetration Effects
scattering: XMA Scattering Profile | 4.1 Spatial Resolution

PROS

PSF

see point spread function

PSPC

Position-Sensitive Proportional Counter (PSPC) | 3.1 PSPC Overview

ADC nonlinearities: ADC Non-linearities
after-pulses: Other Possible Contributions to
anode: 3.1 PSPC Overview
background: 3.6 PSPC Background
behaviour of background: PSPC Gas Flow
boron filter: Boron Filter
calibration sources: Four Positions
carbon window: Boron Filter
cathode: 3.1 PSPC Overview
cosmic X-ray background: Cosmic X-ray Background
dead time: 3.7 Dead Time of
detector response matrix: Detector Response Matrices | MPE Notes on the | Caveat Emptor:
detectors actually flown: X-ray Transmission of the
discriminator setting: Ghost Images
effective area: 3.3 Quantum Efficiency of | Total Spectral Response Effective
electronics: PSPC Electronics
energy resolution: 3.4 Spectral Property of
energy/PHA relation: Method of Determination
entrance window: UV Transmission of the
event timing: 3.8 Timing of the
filter wheel: Four Positions
flux calibration: Absolute Flux Calibration
gain: PSPC Gain
gain corrections: Temporal Gain Correction
gain saturation: Gain Saturation
gain variations: Spatial Variations
gas control system: Gas Control System
ghost images: Positional Response for Events
induced X-ray background: Auroral Induced X-Ray Background
intrinsic resolution: Intrinsic Resolution of the
loss of electrons: Low Pulse Height Tails
loss of secondary electrons: Low Pulse Height Tails
particle background: Particle Background
performance: 3.2 Operation
PHA channels: Spatial Variations
point spread function: 4.1 Spatial Resolution
positional accuracy: 3.5 Positional Property of
PSPC-C loss: A.2 Important Dates
pulse height distribution: Spatial Variations
quantum efficiency: 3.3 Quantum Efficiency of
regulating valve: PSPC Gas Flow
scattered solar X-ray background: Scattered Solar X-ray Background
spatial response: PSPC Spatial Resolution
timing problem: B.3 PSPC Timing Problems
UV quantum efficiency: UV Transmission of the
UV transmission: UV Transmission of the
window: PSPC Entrance Windows
window support structure: Window Support Structure
X-ray transmission: X-ray Transmission of the

pulse height

after-pulse: After-pulses
Al K line: F.1 Bin of Aluminum
intermediate-processing channel: Spatial Variations
invariant channel: Spatial Variations | For PROS users:
PHA channel: Spatial Variations | After-pulses
PI bins: For PROS users:
PI channel: Temporal Gain Correction | For PROS users: | A.2 Important Dates | Calibration-related Memos and Publications

quantum efficiency

HRI: Off-axis Effective Area
PSPC: 3.3 Quantum Efficiency of
WFC: Detectors | Spatial Variations in Effective

radiation belts

The South Atlantic Anomaly

rationalized data file

see RDF

RDA

Standard Products of the | 9.1 Product Overview | 9.4 REV2 Data in | ROSAT Data Archive (RDA)

official constitution: 9.1 Product Overview
REV0: 9.2 REV0 Data in
REV1: 9.3 REV1 Data in
REV2: 9.4 REV2 Data in

RDF

FITS format: 9.4 REV2 Data in
format: 9.4 REV2 Data in

reaction wheel

Attitude Measurement and Control | In-Orbit Performance

reduced-pointing mode

In-Orbit Performance

reflectivity

Au-M edge: MPE Notes on the
high-energy cut-off: Mirrors
mirror assembly: Spatial Variations in Effective
X-ray enhancement: 2.1 XRT Mirror Assembly
XRT: Reflectivity of Gold

report

MPE: A.2 Important Dates | A.2 Important Dates | A.2 Important Dates
status: Boresight Calibration Results | ROSAT Status Reports | Summary of ROSAT On-line
V&V: 9.2 REV0 Data in | 9.2 REV0 Data in

resolution

angular: 1.1 Mission Overview | Gaussian Intrinsic Resolution and
detector image: Viewing and Deleting
electronic: Time Variability Studies
energy: 3.4 Spectral Property of | MPE Notes on the | Background
ghost image: 4.1 Spatial Resolution
image: Pre-flight measurements
intrinsic: Intrinsic Resolution of the | 4.1 Spatial Resolution | Gaussian Intrinsic Resolution and
positional: Pre-flight measurements
spatial: PSPC Spatial Resolution | PSPC Spatial Resolution | 4.1 Spatial Resolution | 4.1 Spatial Resolution | Gaussian Intrinsic Resolution and | Off-Axis PSF
spectral: Four Positions | Boron Filter | 3.4 Spectral Property of | Notes on the Spectral | A.2 Important Dates
time: Time Variability Studies

roll angle error

Roll Angle

ROSAT

all-sky survey: 1.1 Mission Overview | All-Sky Survey | A.2 Important Dates | A.2 Important Dates
antenna system: Command and Data Handling
attitude solution: Assessment of Efforts to
begin of HRI observations: A.2 Important Dates
data archive: ROSAT Data Archive (RDA) | E.3 On-Line Services at | ROSAT Data Archive
data centre: Summary of ROSAT On-line
data rate: Command and Data Handling
database: Summary of ROSAT On-line
end of PSPC observations: A.2 Important Dates
events: A.2 Important Dates
first light: A.2 Important Dates
Forum: ROSAT Newsletters
important dates: A.2 Important Dates
launch: 1.1 Mission Overview | A.2 Important Dates
memos: Calibration-related Memos and Publications
mini-survey: A.2 Important Dates
mission: 1.1 Mission Overview
Newsletters: ROSAT Newsletters
notes: Calibration-related Memos and Publications
OBC glitch: A.2 Important Dates
operational difficulties: 1.1 Mission Overview
payload: Overview
PSPC-C loss: A.2 Important Dates
PVC observations: PerformanceVerification, and Calibration
reduced pointing: A.2 Important Dates
revive: A.2 Important Dates
S2a filter loss: A.2 Important Dates
SAADs: South Atlantic Anomaly Detectors
Sun-slew: X-ray Transmission of the
Tausend und Eine Nacht: A.2 Important Dates
XRT: X-ray Telescope (XRT)

ROSAT data archive

see RDA

ROSAT Forum

ROSAT Newsletters

ROSAT launch

A.2 Important Dates

ROSAT Newsletters

ROSAT Newsletters

RSDC

8.1 Purpose | E.1 On-Line Services at | E.2 On-Line Services at

S1/S2 filter

South Atlantic Anomaly Detectors

S2a filter loss

A.2 Important Dates

SAAD

safe mode

South Atlantic Anomaly Detectors

SASS

Standard Analysis Software System

pipeline processing: 8.2 System Design
REV0: 9.2 REV0 Data in
REV1: 9.3 REV1 Data in
REV2: 9.4 REV2 Data in

satellite

ASCA: 9.4 REV2 Data in
ASTRO-E: 1.1 Mission Overview
AXAF: 1.1 Mission Overview
Einstein: 1.1 Mission Overview
payload: Overview
ROSAT: 1.1 Mission Overview
UHURU: 1.1 Mission Overview
XMM: 1.1 Mission Overview

scan law

scattering

mirror: Mirror Scattering | On-Axis PSF | On-Axis PSF
profile: XMA Scattering Profile
small-angle: Mirror Scattering

Sco X-1

Strong X-ray Sources

SERC

sky strip

South Atlantic Anomaly Detectors | The South Atlantic Anomaly

solar panels

Overview | The Sun

solar slew

All-Sky Survey

source

absorbed source: Expected Count Rates (in
accessibility: Time Variability Studies
analysis results: 9.4 REV2 Data in
artificial temporal variations: Window Support Structure
blackbody: UV Sensitivity | UV Sensitivity
bright optical: The Moon
bright X-ray: Point Spread Function
calibration: MPE Notes on the | 7.2 Calibration Target Notes | A.2 Important Dates
catalogue: A.2 Important Dates
Co-60: Particle Background Reduction Method
constant X-ray: Calibration-related Memos and Publications
count rate: Source Count Rates
detection: Detection of Previously Unknown
EUV: Filters | Timing
event rate: Time Variability Studies
existence: Existence of a
expected position: D.1 System Specification
extended X-ray: Cyg X-2
false: Detection of Previously Unknown
featureless: 93jan12 Matrix
fluorescent X-ray: X-ray Transmission of the
flux: Flux of a
forbidden: Strong X-ray Sources
Galactic: Point Spread Function
list: 9.2 REV0 Data in
monochromatic X-ray: Method of Determination
on-board calibration: 3.4 Spectral Property of
optical position: D.2 Assessment | D.2 Assessment
periodic obscuration: Window Support Structure
selected bright X-ray: D.3 Performed Investigations
sensitivity: 1.1 Mission Overview | Point Source Sensitivity
SIMBAD: Boresight Calibration Results | 9.2 REV0 Data in | 9.2 REV0 Data in
soft X-ray: Ghost Images | Cyg X-2
strong X-ray: Strong X-ray Sources
survey detections: 1.1 Mission Overview
UV: UV Leak
variability: Time Variability Studies
viewing times: Time Variability Studies

South Atlantic Anomaly

Space Shuttle

spacecraft

Command and Data Handling | Data Storage and Transmission | Operational Modes

AMCS: Attitude Measurement and Control
antenna system: Command and Data Handling
CDHS: Command and Data Handling
coarse sun sensor: Coarse Sun Sensor (CSS)
coordinate system: ROSAT Coordinate System
degraded X-gyro: Coarse Sun Sensor (CSS)
gyros: Attitude Measurement and Control
launch: 1.1 Mission Overview
magnetometer: Magnetometer
operation: 1.1 Mission Overview
operational difficulties: 1.1 Mission Overview
reaction wheel: Attitude Measurement and Control | In-Orbit Performance
S-gyro: Coarse Sun Sensor (CSS)
SAADs: South Atlantic Anomaly Detectors
solar panels: The Sun
status: A.1 General Spacecraft and
uncontrolled: 1.1 Mission Overview
XRT star trackers (STC): XRT Star Trackers (STC)
Y-gyro loss: Coarse Sun Sensor (CSS)
Z-gyro: In-Orbit Performance
Z-gyro loss: Coarse Sun Sensor (CSS)

spatial resolution

spatial response

HRI: Spatial Response
PSPC: PSPC Spatial Resolution
WFC: Point Spread Function
XMA+PSPC: 4.1 Spatial Resolution

spectral resolution

Four Positions | Boron Filter | 3.4 Spectral Property of | Notes on the Spectral | A.2 Important Dates

spectral response

HRI: Spectral Response
XMA+PSPC: 4.2 Mirror plus PSPC

standard analysis software system

see SASS

star tracker

ASTRO SPASS: D.3 Performed Investigations
field of view: XRT Star Trackers (STC)
loss of STC-2: XRT Star Trackers (STC)
software improvement: In-Orbit Performance
XRT: XRT Star Trackers (STC)

status

instrument: A.1 General Spacecraft and
report: ROSAT Status Reports
spacecraft: A.1 General Spacecraft and

Sun

The Sun

sun sensor

In-Orbit Performance | Coarse Sun Sensor (CSS)

support structure

PSPC window: Window Support Structure
XMA: XMA Support Structure

survey

all-sky: 1.1 Mission Overview | PerformanceVerification, and Calibration | Mirrors | A.2 Important Dates | A.2 Important Dates | A.2 Important Dates
mini: PerformanceVerification, and Calibration

tape recorder

target

acquisition: Magnetometer
calibration: 93jan12 Matrix
forbidden: Strong X-ray Sources
Sco X-1: Strong X-ray Sources

telecommands

Data Storage and Transmission

temporal resolution

Time Variability Studies

time variability studies

Time Variability Studies

timing

HRI: Event Timing
PSPC: 3.8 Timing of the
WFC: Timing

transmission

best-fit curves: X-ray Transmission of the
boron filter: Boron Filter | Calibration-related Memos and Publications
entrance window: Calibration-related Memos and Publications
far-UV: UV Sensitivity
secondary: Effective Area
UV: X-ray Transmission of the | UV Transmission of the
window: X-ray Transmission of the | UV Transmission of the | UV Transmission of the | MPE Notes on the | Total Spectral Response Effective
window support mesh: 3.3 Quantum Efficiency of | 4.2 Mirror plus PSPC
window support structure: Window Support Structure
X-ray: X-ray Transmission of the

U.K.

A.1 General Spacecraft and

UHURU

UKRDAC

E.3 On-Line Services at

University of Leicester

1.1 Mission Overview | E.3 On-Line Services at

UV filter

X-ray Transmission of the | UV Transmission of the | UV Transmission of the

UV leak

UV Leak

HRI: UV Response
WFC: UV Sensitivity

UV sensitivity

HRI: UV Response
WFC: UV Sensitivity

UV transmission

verification phase

PerformanceVerification, and Calibration

viewing times

Time Variability Studies

vignetting

WFC: Spatial Variations in Effective
XRT: Vignetting

Weilheim

In-Orbit Performance | A.2 Important Dates

WFC

1.1 Mission Overview | Wide-Field Camera (WFC) | 6.1 Description of the

all-sky survey: Mirrors
angular resolution: Mirrors
background: Background
dead time: Operational Modes
detector: Detectors
detector efficiency: Spatial Variations in Effective
effective area: Effective Area
field of view: Mirrors
filter: Filters
filter wheel: Filters
in-orbit performance: 6.2 Performance of the
mirror: Mirrors
mirror vignetting: Spatial Variations in Effective
on-line archive: Archived Data
opaque filter: Filters
operatinal mode: Operational Modes
point spread function: Point Spread Function
pointing filter P1/P2: Filters
positional accuracy: Positional Accuracy
quantum efficiency: Detectors | Spatial Variations in Effective
sensitivity loss: Effective Area
survey filter S1/S2: Filters
timing: Timing
UV filter: Filters
UV leak: UV Sensitivity
UV sensitivity: UV Sensitivity
zoom: Operational Modes

wide-field camera

see WFC

window

carbon: Boron Filter
electronic: Operational Modes
PSPC: PSPC Entrance Windows
support structure: Window Support Structure
UV transmission: UV Transmission of the
X-ray transmission: X-ray Transmission of the

wobble

Attitude Measurement and Control | Wobble Mode | Window Support Structure

amplitude/time variation: Temporal Response
count rate variation: Time Variability Studies
disabled: A.2 Important Dates
effect reduction: 4.1 Spatial Resolution
ellipsoidal images: On-Axis PSF
HRI gain: Spatial Gain Variations
mode: Attitude Measurement and Control | Wobble Mode
modulation: Temporal Response
quantum-efficiency variations: Attitude Measurement and Control
window support structure: Wobble Mode
wire mesh: Wobble Mode

world-wide web

World-Wide Web

WWW URL

World-Wide Web | E.1 On-Line Services at | E.2 On-Line Services at | E.3 On-Line Services at

X-ray background

HRI: Background
PSPC: 3.6 PSPC Background

X-ray mirror assembly

2.1 XRT Mirror Assembly

X-ray telescope

X-ray Telescope (XRT)

angular resolution: 2.4 Angular Resolution of
boresight calibration: 2.2 XMA/Detector Boresight Calibration
coordinate systems: 2.5 XRT Coordinate Systems
effective area: 2.3 Effective Area of | Calculated Effective Area
high-resolution imager: X-ray Telescope (XRT)
magnetic deflector: X-ray Telescope (XRT)
mirror assembly: 2.1 XRT Mirror Assembly
mirror scattering: Mirror Scattering
off-axis blur: Off-Axis Blur of the
off-axis rays: Vignetting
PSPC: X-ray Telescope (XRT)
reflectivity of gold: Reflectivity of Gold
scattering profile: XMA Scattering Profile
South Atlantic anomaly detectors: X-ray Telescope (XRT)
support structure: XMA Support Structure
vignetting: Vignetting

XMA

see X-ray mirror assembly

XMM