Cosmic Origins Spectrograph Instrument Handbook for Cycle 17

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

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A

ACCUM mode 1, 2

compared to TIME-TAG mode 1, 2

doppler correction 1

FUV data products 1

NUV data products 1

pulse-height data 1

accuracy, wavelength - see wavelength accuracy1

ACQ/PEAKD 1

NUM-POS Optional Parameter 1

ACQ/PEAKXD 1

STEP-SIZE Optional Parameter 1

STRIPE Optional Parameter 1

ACQ/SEARCH 1

centering quality 1

SCAN-SIZE Optional Parameter 1

STEP-SIZE Optional Parameter 1

acquisitions 1, 2

ACQ/IMAGE 1

data products 1

exposure time 1

BOA

optical quality 1

bright object protection 1, 2

centering accuracy and photometric precision 1

centering accuracy and resolution 1

centering accuracy and wavelengths 1

coordinate accuracy 1, 2

crowded regions 1

FUV dispersed light 1, 2

ACQ/PEAKD 1

ACQ/PEAKXD 1

ACQ/SEARCH 1

spiral pattern 1

airglow lines 1

CENTER Optional Parameter 1

centering quality 1

exposure times 1

SCAN-SIZE Optional Parameter 1, 2

STEP-SIZE Optional Parameter 1, 2

sub-arrays 1

in imaging mode 1, 2

LOCAL-THRESHOLD Optional Parameter 1

NUV dispersed light 1

overhead times 1

airglow - see background rates1

apertures 1, 2, 3, 4, 5

ApM 1, 2

BOA 1, 2

optical quality 1

transmission 1

wavelength calibrations 1

dimensions 1, 2

FCA 1, 2

illustration 1

PSA 1, 2

relative throughput 1

WCA 1, 2

ApM - see mechanisms, ApM1

B

background rates 1

airglow 1, 2

detector 1

Earthshine 1, 2

versus limb angle 1

geocoronal 1

Moon 1

second-order light 1

tables 1

zodical 1, 2

BOA - see apertures, BOA1

bright object protection 1, 2

BUFFER-TIME Optional Parameter 1

C

calibration accuracies 1

calibration lamps - see lamps, calibration1

calibration, wavelength - see wavelength calibration1

calibrations 1, 2

background rates 1

flat field 1

sensitivity 1

wavelength 1

Cardelli Galactic extinction model 1

CENTER Optional Parameter 1

coordinate accuracy, effect on acquisitions 1

COS

compared to STIS 1, 2

focal plane schematic 1

D

data

data volume estimation 1

FUV ACCUM 1

FUV TIME-TAG 1

NUV ACCUM 1

NUV ACQ/IMAGE 1

NUV TIME-TAG 1

on-board storage and transfer 1

output files and naming conventions 1

dead-time correction 1

dead-time correction - see also FUV channel, detector and NUV channel, detector1

detector non-linear effects - see dead-time correction1

dithering 1

doppler correction 1, 2

E

Earthshine - see background rates1

ETC 1, 2

exposure time 1, 2

for ACQ/IMAGE 1

FUV ACQ/SEARCH 1

relation to BUFFER-TIME 1

target=WAVE 1

valid values 1

values with FP-POS=AUTO 1

Exposure Time Calculator - see ETC1

EXTENDED Optional Parameter 1, 2

extended sources 1

extinction1

Cardelli Galactic model 1

F

FCA - see apertures, FCA1

FEFU definition 1, 2

FLASH Optional Parameter 1

flat field quality 1

flat-field calibrations 1

flux precision 1

FP-POS Optional Parameter 1, 2, 3

FUV channel

detector 1, 2, 3

A-to-D conversion 1

count rate limits 1, 2

dark rate 1, 2, 3

dead-time constant 1

e-stims

definition 1

lifetime sensitivity adjustments 1

photocathode 1

pulse-height distribution 1

quantum efficiency 1

segment gap 1

single segment usage 1

stim pulses 1

XDL format 1, 2

XDL properties 1

XDL spectrum response 1

gratings 1, 2

optical design 1

sensitivity 1, 2

spectroscopic modes 1

wavelength settings and ranges 1

G

Galactic extinction - see extinction1

geocoronal emission - see background rates1

GTO

definition 1

observing program 1

H

HST

apertures and focal plane 1, 2

PSF at COS aperture 1

PSF at COS aperture (3-D) 1

SM4 1

I

IDT

definition 1

members 1

L

lamps, calibration 1

deuterium flat-field 1

Pt-Ne wavelength 1

M

mechanisms 1, 2

ApM 1, 2

OSM1 1, 2

OSM2 1, 2

shutter 1, 2

mirrors

NCM1 1

N

non-point sources - see extended sources1

Number_Of_Iterations Optional Parameter 1

NUM-POS Optional Parameter 1

NUV channel 1

detector 1, 2, 3

bright object protection 1

count rate limits 1, 2

dark rate 1, 2, 3

dead-time constant 1

dead-time correction 1

MAMA format 1, 2

MAMA properties 1

photocathode 1, 2

pulse-height distribution 1

quantum efficiency 1

gratings 1, 2

imaging usage 1, 2

optical design 1

sensitivity 1, 2, 3

wavelength settings and ranges 1

O

optical elements 1, 2

FUV gratings 1

mirrors 1

NUV gratings 1

Optional Parameters 1

OSM1 - see mechanisms, OSM11

OSM2 - see mechanisms, OSM21

overhead times 1, 2

acquisitions 1

generic observatory times 1

OSM1 movements 1

OSM2 movements 1

science exposures 1

P

parallel observations with COS 1

patterns and dithering 1

Phase I proposals 1, 2

Phase II programs 1, 2

photometric precision 1

plate scale 1

precision, photometric - see photometric precision1

PSA - see apertures, PSA1

PSF of HST at COS apertures 1

R

resel definition 1

resolution and target centering 1

resolution, spatial 1, 2

resolution, spectroscopic 1

resolving power 1

S

SCAN-SIZE Optional Parameter 1

scattered light 1

second-order light 1

SEGMENT Optional Parameter 1, 2

sensitivity

calibrations 1

FUV point source 1

NUV point source 1

second-order light 1

shutter - see mechanisms, shutter1

signal-to-noise 1, 2, 3, 4

SNAPshots with COS 1

spectroscopic modes

bandpass 1

dispersion 1

resolving power 1

summary 1

wavelength range 1

STEP-SIZE Optional Parameter 1

STIS compared to COS 1, 2

STRIPE Optional Parameter 1

structured sources - see extended sources1

STScI

Web page 1

T

TAGFLASH 1, 2, 3, 4, 5

TAGFLASH - see also TIME-TAG mode, FLASH Optional Parameter1

Time_per_exposure - see exposure time1

TIME-TAG mode 1, 2

BUFFER-TIME considerations 1

BUFFER-TIME Optional Parameter 1

relation to exposure time 1

compared to ACCUM mode 1, 2

doppler correction 1

FLASH Optional Parameter 1, 2

FUV data products 1

NUV data products 1

pulse-height data 1

U

user support help desk 1

W

wavecal - see wavelength calibration1

wavelength accuracy

and target centering 1

specifications 1

wavelength calibration 1, 2, 3, 4

AUTO wavecals 1

user specified 1

wavelength settings and ranges (table) 1

wavelengths, units and convention 1

WCA - see apertures, WCA1

Web page for COS 1

X

XDL - see FUV channel1

Z

zodiacal light - see background rates1