Gaia in the UK

Taking the Galactic Census

List of acronyms and abbreviations

Jump to: 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

1D: One-dimensional

2D: Two-dimensional

2MASS: Two Micron All-Sky Survey

3D: Three-dimensional

A

ABD: Anti-Blooming Drain

AC: ACross scan (direction)

AL: ALong scan (direction)

AP: Astrophysical Parameter

API: Application Programming Interface

arcmin: Arcminute, minute of arc (unit of angle)

arcsec: Arcsecond, second of arc (unit of angle)

ARV: Absolute Radial Velocity

ASA: Astrometric Science Alert

AU, a.u.: Astronomical Unit

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B

BP: Blue Photometer

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C

CCD: Charge-Coupled Device

CMD: Colour Magnitude Diagram

CTI: Charge-Transfer Inefficiency

CU: Coordination Unit (in DPAC)

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D

DPAC: (Gaia) Data Processing and Analysis Consortium

DPCI: Data Processing Centre (Institute of Astronomy) Cambridge

DRV: Differential Radial Velocity

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E

EADS: European Aeronautic Defence and Space company (EADS Astrium is the Gaia prime contractor)

ESA: European Space Agency

EOP: Early Orbit Phase

ESAC: European Space Astronomy Centre (VilSpa)

ESA: European Space Agency

ESOC: European Space Operations Centre (ESA)

ESO: European Southern Observatory

ESVM: Electrical SerVice Module

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F

FITS: Flexible Image Transport System

FLAMES: Fibre Large Array Multi Element Spectrograph

FoV: Field of View (also denoted FOV)

FPA: Focal Plane Assembly (Focal Plane Array)

FP: Focal Plane

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G

Gaia: ESA’s Astrometric mission

GB: Giant Branch (star)

Gb: Gigabit

GB: GigaByte

G: Giga; SI units prefix for 1E9

G: Gaia photometric white-light magnitude (SM and AF)

GP: Galactic Plane

GSA: Gaia Science Alerts

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H

HDFS: Hadoop Distributed File System

HRD: Hertzsprung-Russell Ddiagram

HR: Hertzsprung-Russell (diagram)

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I

ICRF: International Celestial Reference Frame

ICRS: International Celestial Reference System

IFA: Institute for Astronomy (Edinburgh)

IIOC: Initial In-Orbit Calibration

IoA: Institute of Astronomy (Cambridge; also denoted IOA)

IOCA: In-Orbit Calibration Activity

IOC: In-Orbit Commissioning

IOCP: In-Orbit Calibration Procedure

IOCR: In-Orbit Commissioning Review

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K

k: Kilo; SI units prefix for 1E3

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L

L2I: L2 (orbit) Insertion

L2: Second Lagrange point of the Sun and Earth-Moon system

LEOP: Launch and Early Orbit Phase

LoS: Line of Sight (also denoted LOS)

LU: Leicester University (UK)

LV: Launch Vehicle

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M

mas: Milliarcsecond (1E-3 arcsec)

Mb: Megabit (1,000,000 bit)

MB: MegaByte

M: Mega; SI units prefix for 1E6

m: Meter; SI unit of length

m: Milli; SI units prefix for 1E-3

MSSL: Mullard Space Science Laboratory (UK)

µas: Microarcsecond (1E-6 arcsec)

µ: Micro; SI units prefix for 1E-6

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N

n: Nano; SI units prefix for 1E-9

N: Newton; SI unit of force

NSL: Nominal Scanning Law

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O

O, B, A, F, G, K, M:  star spectral-types

OC: Open Cluster

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P

PB: PetaByte

PMS: Pre-Main Sequence (star)

PFS: Point Spread Function

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Q

QA: Quality Assurance

QC: Quality Control

QSO: Quasi-Stellar Object

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R

RA: Right Ascension

RAL: Rutherford Appleton Laboratory (UK)

RGB: Red Giant Branch (star)

RGB: Red Giant Branch (star)

RSL: Reference Scanning Law

RSSD: Research and Scientific Support Department (ESA)

RV: Radial Velocity

RVS: Radial Velocity Spectrometer

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S

SC: Spacecraft (also denoted S/C)

SF: Soyuz-Fregat

SOC: Science Operations Centre

SR: Semi-Regular (variable star)

S: Strip (CCD chip along-scan coordinate identifier in focal plane)

STFC: Science and Technology Facilities Council (UK, formed on 1 April 2007 by merging PPARC and CCLRC)

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T

TB: TeraByte

TCG: Geocentric Coordinate Time

TG: Gaia proper Time

TOPCAT: Tool for OPerations on Catalogues And Tables

TT: Terrestrial Time

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U

UCL: University College London (UK)

UOL: University of Leicester (UK)

UTC: Coordinated Universal Time

UV: UltraViolet

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V

V: Johnson photometric V band

VHS: VISTA Hemisphere Survey

VISTA: Visible and Infrared Survey Telescope for Astronomy

VLT: Very Large Telescope (ESO)

VO: Virtual Observatory

Vr: Radial Velocity

VOTable: Virtual Observatory Tabular data format

VPHAS+: The VST/OmegaCam Photometric Hα Survey of the Southern Galactic Plane and Bulge

VST: VLT Survey Telescope

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W

WD: White Dwarf (star)

WFAU: (Edinburgh) Wide Field Astronomy Unit

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Z

ZAMS: Zero-Age Main Sequence (star)

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