Hamal

Diagram showing star positions and boundaries of the Aries constellation and its surroundings

Hamal (α Ari, α Arietis, Alpha Arietis) is the brightest star in the northern zodiacal constellation of Aries. It has the Bayer designation α Arietis and the Flamsteed designation of 13 Arietis. With an apparent visual magnitude of 2.0, it is among the brightest stars in the night sky. Based upon parallax measurements made with Hipparcos astrometry satellite, Hamal is about 65.8 light-years (20.2 parsecs) from Earth. It is a giant star that may host an orbiting planet with a mass greater than Jupiter.

单词	Alpha Arietis
释义	Alpha Arietis 英语百科 Hamal Hamal (α Ari, α Arietis, Alpha Arietis) is the brightest star in the northern zodiacal constellation of Aries. It has the Bayer designation α Arietis and the Flamsteed designation of 13 Arietis. With an apparent visual magnitude of 2.0, it is among the brightest stars in the night sky. Based upon parallax measurements made with Hipparcos astrometry satellite, Hamal is about 65.8 light-years (20.2 parsecs) from Earth. It is a giant star that may host an orbiting planet with a mass greater than Jupiter.
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