Spitzer Documentation & Tools
IRS Instrument Handbook

Appendix B.         Acronyms

ACQ

ACQuisition

AOR

Astronomical Observation Request

AOT

Astronomical Observation Template

ASCII

American Standard Code for Information Interchange

BCD

Basic Calibrated Data

DCE

Data Collection Event

DCS

Double Correlated Sampling

DN

Data Number

FITS

Flexible Image Transport System

IDL

Interactive Data Language

IRS

InfraRed Spectrograph

LH

Long-High (module)

LL

Long-Low (module)

MIPL

Multimission Image Processing Laboratory

NaN

Not-a-Number

PB

Peak-up Only Blue

PBI

Peak-up Imaging Blue

PCRS

Pointing Control Reference Sensor

PR

Peak-up Only Red

PRI

Peak-up Imaging Red

PSF

Point Spread Function

RSRF

Relative Spectral Response Function

SH

Short-High (module)

SL

Short-Low (module)

SPICE

SPitzer IRS Custom Extractor

SPOT

Spitzer Planning Observations Tool

SS

Sweet Spot

SSC

Spitzer Science Center

SUR

Sample Up the Ramp

WCS

World Coordinate System