Table A.1.

List of acronyms used in this paper.

Acronym Description
2MASS Two-Micron All Sky Survey
AAVSO American Association of Variable Star Observers
APASS AAVSO Photometric All-Sky Survey
BCRS Barycentric Celestial Reference System
BP Blue Photometer
CCD Charge-Coupled Device
DPAC Data Processing and Analysis Consortium
ESA European Space Agency
GBOT Ground-Based Optical Tracking
GSC Guide Star Catalog
ICRF International Celestial Reference Frame
JD Julian Date
LMC Large Magellanic Cloud
OBMT On-Board Mission Timeline
PSF Point Spread Function
PPMXL Position and Proper Motion Extended-L Catalog
QSO Quasi-Stellar Object
RMS Root-Mean-Square
RP Red Photometer
RVS Radial Velocity Spectrometer
SDSS Sloan Digital Sky Survey
SMC Small Magellanic Cloud (special, high-density area on the sky)
SOS Specific Object Studies
SSO Solar-System Object
TCB Barycentric Coordinate Time
TGAS Tycho-Gaia Astrometric Solution
UCAC USNO CCD Astrograph Catalog
URAT USNO Robotic Astrometric Telescope
URL Uniform Resource Locator

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