Sirius

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Sirius is the brightest star in the night sky, with a visual apparent magnitude of 1.46, almost twice as bright as Canopus, the next brightest star. The name Sirius is derived from the Ancient Greek. The star has the Bayer designation Canis Majoris. What the naked eye perceives as a single star is actually a binary star system, consisting of a white main sequence star of spectral type A1V, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B.

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Sirius is the brightest star in the night sky, with a visual apparent magnitude of -1.46, almost twice as bright as Canopus, the next brightest star. The name Sirius is derived from the Ancient Greek. The star has the Bayer designation a Canis Majoris. What the naked eye perceives as a single star is actually a binary star system, consisting of a white main sequence star of spectral type A1V, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B.