ACIS AXAF CCD Imaging Spectrometer

ACIS-I ACIS Imaging Detector ACIS-S

ACIS Spectroscopic Detector

ACIS-2C ACIS 2-Chip Surrogate

ACS Architectural Coordinate System

ARM Alignment Reference Mirror

ASC AXAF Science Center

ATA Alignment Telescope Assembly

AXAF-I Advanced X-ray Astrophysics Facility- Imaging

BASD Ball Aerospace Systems Division

BND Beam Normalization Detectors

BTWGS Bench-Top Walkways for Grating Separation

CAP Center Aperture Plate (HRMA)

CCD Charge Coupled Device

C/G Center of Gravity

CRC Clean Room

CRWP Clean Room Work Platforms

CTUE Command Telemetry Unit Emulator

DEAP Detector End Access Platform

DETB Detector End Test Bench

DSS Deep Space Simulator

DWG Drawing

EGSE Electrical Ground Support Equipment

EKC Eastman Kodak Company

FAM Five Axis Mount

FOA Facility Optical Axis

FOV Field of View

FPSI Focal Plane Science Instrument

GSE Ground Support Equipment

GSS Gas Supply System

GT Guide Tube

GTA Guide Tube Assembly

GVS Guide Tube Vacuum System

HETG High Energy Transmission Grating

HIRM HETG Insertion/Retraction Mechanism

HRC High Resolution Camera

HRC-I High Resolution Camera-Imaging Detector

HRC-S High Resolution Camera-Spectroscopic Detector

HRMA High Resolution Mirror Array

HSI High Speed Imager

HXDA HRMA X-ray Detector Assembly

HXDS HRMA X-ray Detector System

IC Instrument Chamber

ICAP Instrument Chamber Access Platforms

ICAT Instrument Chamber Alignment Telescope

ICR Instrument Chamber Room

ICVS Instrument Chamber Vacuum System

IP Internet Protocol

IRIG Intra-Range Instrumentation Group

ISIM Integrated Science Instrument Module

ILASS-Z Integrated LASS-Z

IUD Instrument Unloading Dock

LASS-Z Late ACIS Surrogate SIM Z-Drive

LETG Low Energy Transmission Grating

LIRM LETG Insertion/Retraction Mechanism

LOS Line of Sight

MCC Master Control Computer

MDS Motion Detection System

MSFC George C. Marshall Space Flight Center

OPS Optical Point Source

OTG Objective Transmission Grating

SAO Smithsonian Astrophysical Observatory

SEAP Source End Access Platform

SETB Source End Test Bench

SI Science Instrument

SIM Science Instrument Module

SRON Space Research Organization Netherlands

STA Station

SVS Source Vacuum System

TB Test Bench

TBD To Be Defined

TBR To Be Resolved

TRW TRW Incorporated

VAC Volts Alternating Current

XDA X-ray Detector Assembly

XDACS X-ray Data Acquisition and Control System

XDASS X-ray Detector Assembly Support Structure

XRCF X-ray Calibration Facility

XSO X-ray Surrogate Optic

XSS X-ray Source System

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last updated 1/31/96.