description Sadalmelik Overview
Sadalmelik, designated Alpha Aquarii, is a yellow supergiant star positioned along the celestial equator in the constellation of Aquarius. The star's traditional name is derived from an Arabic phrase translating to 'the lucky stars of the king,' a reference to its historical significance in ancient astronomy. It is a highly luminous evolved star that marks one of the central celestial points in its respective constellation.
help Sadalmelik FAQ
What is Sadalmelik's official designation?
Sadalmelik is the approved proper name of Alpha Aquarii, also written Alpha Aquarii or Alpha Aqr. It is a yellow supergiant in the constellation Aquarius.
What does the name Sadalmelik mean?
The name comes from an Arabic expression usually translated as "the luck of the king" or "the king's lucky star." The International Astronomical Union approved Sadalmelik as the official name for Alpha Aquarii in 2016.
Is Sadalmelik the brightest star in Aquarius?
No, Alpha Aquarii is generally described as the second-brightest star in Aquarius, slightly fainter than Beta Aquarii, whose traditional name is Sadalsuud. Sadalmelik still appears prominently because it is a bright naked-eye yellow supergiant.
What kind of star is Sadalmelik?
Its spectral classification is commonly given as G2 Ib, indicating a yellow supergiant. Modern distance estimates place it hundreds of light-years away, with published values varying depending on the dataset used.
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