The Centre de données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
Cetus is a constellation.
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In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.
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The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).
A pulsating white dwarf is a white dwarf star whose luminosity varies due to non-radial gravity wave pulsations within itself.
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A star is a luminous sphere of plasma held together by its own gravity.
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A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
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A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter.
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