STScI

Fine Guidance Sensor Instrument Handbook for Cycle 17

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A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

Index


A

aberrations
differential velocity 1
optical 1
accuracy
summarized 1
ACQ-DIST
POS mode 1
TRANS mode 1
ACQ-MODE
POS mode 1
TRANS mode 1
alignment
minimizing effect of misalignment 1
angular diameter
non-point source 1
aperture 1
astrometer
designated 1
astrometry
pipeline 1
Position Mode 1
Transfer Mode 1

B

background
bright 1
measurements 1
noise 1
special, faint binary observation 1
subtraction, TRANS 1
beam decenter
S-curve 1
bibliography
special topics 1
binary star 1, 2, 3, 4, 5, 6
binary star studies 1
brightness
limits 1

C

calculation
exposure time, Position Mode 1
calibration
background subtraction, TRANS 1
color, POS 1
cross-filter, POS 1
Cycle 7 monitoring 1
dark subtraction, TRANS 1
drift, POS 1
drift, TRANS 1
jitter, POS 1
jitter, TRANS 1
modes maintained by STScI 1
OFAD distortion, POS 1
pipeline, astrometry 1
plate overlay, POS 1
plate scale, POS 1
position centroid, POS 1
Position Mode 1
S-curve, TRANS 1
Transfer Mode 1
velocity, POS 1
centroid adjustment
Position Mode 1
check stars 1
CoarseTrack
target acquisition 1
Transfer Mode acquisition 1
color
lateral 1
Transfer Mode 1
combined mode
calibration 1
strategy, described 1
control
FGS 1
cosmic rays 1
COUNT 1
cross filter observation 1

D

dark
background 1
subtraction, TRANS 1
dark counts
FGS1R 1
decenter beam
FGS1R 1
designated astrometer 1
detector
description 1
diamter
measurement 1
differential velocity aberration 1
drift
astrometry pipeline 1, 2
calibration, POS 1
calibration, TRANS 1
exposure sequence 1

E

error sources
Position Mode 1
Transfer Mode 1
exposure
Position Mode 1
Transfer Mode 1
exposure sequence
drift 1
exposure time
calculation, Position Mode 1
Transfer Mode 1
extended source studies 1, 2, 3

F

faint binary 1
FES-TIME
POS mode 1
FGS
control 1
instrument overview 1
operating modes 1
science investigations suited to 1
web page 1
field
crowded, components 1
target 1
field dependence
S-curve 1, 2
field of view
position in pickel 1
filter
cross, calibration 1
spectral elements 1
filters
available 1, 2
fine bit error
star selector encoder
star selector encoder
fine bit error 1
FineLock
target acquisition 1
forward steering section
optical path 1

G

guide star
astrometry pipeline 1, 2

I

instrument
parameters 1
parameters, Phase II 1
interference
Koesters prism 1
interferometer
described 1
investigations
suitable for FGS 1

J

jitter
calibration, POS 1
calibration, TRANS 1

K

Koesters prism 1
described 1

L

lateral color 1
light path
see "optical path"1
limits
brightness 1
target geometry 1
linked modes
see "combined mode"1
LOCK 1
logsheet
proposal, examples 1

M

mass determination 1
misalignment
minimizing effect of 1
mixed mode
see "combined mode"1
modes
bias, astrometry pipeline 1
described 1
motion
reflex 1
moving target 1, 2

N

NULL 1

O

operating modes
see "modes"1
opmode
parameter, Phase Ii 1
optical aberrations 1
optical field angle distortion
calibration, POS 1
optical path
FGS 1
forward steering section 1
interferometer 1
optional parameter 1, 2
ACQ-DIST, POS mode 1
ACQ-DIST, TRANS mode 1
ACQ-MODE, POS mode 1
ACQ-MODE, TRANS mode 1
COUNT, POS mode 1
FESTIME, POS mode 1
LOCK, POS mode 1
NULL, POS mode 1
POS mode 1
SCANS, TRANS mode 1
STEP-SIZE 1
optional parameters
Phase II 1
ORIENT 1
orientation
target 1
overheads
Position Mode 1
Transfer Mode 1

P

parallax 1, 2
parameters
instrument, Phase II 1
optional, Phase II 1
Phase II
logsheet examples 1
proposal, preparing 1
photometry
Position Mode 1
relative 1
photomultiplier tube
described 1
PMT calibration, TRANS 1
pickel
described 1
pipeline
drift correction 1, 2
epoch level 1
exposure level 1
mode bias 1
Position Mode 1, 2
processing 1
Transfer Mode 1
visit level 1
plate overlay
calibration, POS 1
plate scale
calibration, POS 1
POS TARG 1
Position Mode
astrometry 1
astrometry pipeline 1
bibliography 1
calibration 1
centroid adjustment 1
combined with Transfer 1
exposure 1
exposure time 1
observation planning 1
overheads 1
photometry 1
pipeline 1
pupil 1
Position mode
described 1
proper motion 1, 2
proposal
logsheet examples 1
Phase II 1
pupil
Position Mode 1

R

reference stars 1
references
special topics 1
reflex motion 1
roll angle
faint binary observation 1

S

SAME POS 1
scan length
Transfer Mode 1, 2
SCANS 1
scattered light 1
science
investigations suited to FGS 1
S-curve 1
beam decenter 1
calibration, TRANS 1
field dependence 1
ideal 1
properties 1
wavelength dependence, TRANS 1
search
target acquisition 1
SEQ NON-INT 1
slewing
described 1, 2
South Atlantic Anomaly 1
special requirement
exposure-level 1
orient 1
POS TARG 1
SAME POS 1
SEQ NON-INT 1
timing 1
visit-level 1
special requirements
Phase II 1
spectral coverage 1
spectral element
parameter, Phase II 1
star selector
described 1
stellar mass 1
STEP-SIZE 1
step-size 1

T

target acquisition
CoarseTrack 1
FineLock 1
Transfer Mode 1
target selection
Transfer Mode 1
timing requirement 1
Transfer Mode
astrometry 1
bibliography 1
calibration 1
color 1
combined with Position 1
exposure 1
exposure time 1
overheads 1
pipeline 1
S-curve 1
target acquisition 1
Transfer mode
described 1

V

velocity
differential, aberration 1
virtual plate 1

W

WalkDown
target acquisition, FineLock 1
World Wide Web
FGS page 1, 2

Space Telescope Science Institute
http://www.stsci.edu
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help@stsci.edu
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