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At magnitude 1.5, it is the second-brightest star in Canis Major and the 23rd-brightest star in the sky. It is a blue-white supergiant of spectral type B2Iab, around 404 light-years from Earth. [39] This star is one of the brightest known extreme ultraviolet sources in the sky. [40] It is a binary star; the secondary is of magnitude 7.4.
This is the list of notable stars in the constellation Canis Major, sorted by ... Canicula, the Dog Star; brightest star, 5th ... −11° 18′ 03.3″ 6.59: 1450:
In Greek and Roman mythology and religion, Sirius (/ ˈ s ɪ r ɪ ə s /, SEE-ree-əss; Ancient Greek: Σείριος, romanized: Seírios, lit. 'scorching' pronounced) is the god and personification of the star Sirius, also known as the Dog Star, the brightest star in the night sky and the most prominent star in the constellation of Canis Major (or the Greater Dog). [1]
Sirius is colloquially known as the "Dog Star", reflecting its prominence in its constellation, Canis Major (the Greater Dog). [19] The heliacal rising of Sirius marked the flooding of the Nile in Ancient Egypt and the " dog days " of summer for the ancient Greeks , while to the Polynesians , mostly in the Southern Hemisphere, the star marked ...
Theta Canis Majoris (θ Canis Majoris) is a solitary, [8] orange-hued star near the northern edge [9] of the constellation Canis Major, forming the nose of the "dog". [10] The star is visible to the naked eye with an apparent visual magnitude of 4.08. [2] Based upon an annual parallax shift of 12.07 mas as seen from Earth, [1] it is located ...
Beta Canis Majoris (β Canis Majoris, abbreviated Beta CMa, β CMa), also named Mirzam / ˈ m ɜːr z əm /, [13] is a star in the southern constellation of Canis Major, the "Great Dog", located at a distance of about 500 light-years (150 parsecs) from the Sun. [1] In the modern constellation it lies at the position of the dog's front leg.
Pi Canis Majoris (π Canis Majoris; Latin for 'Greater Dog') is a binary star [9] system in the southern constellation of Canis Major. It is visible to the naked eye, having an apparent visual magnitude of +4.69. [2] Based upon an annual parallax shift of 33.80 mas as seen from Earth, [1] this system is located 96.5 light years from the Sun.
A number of stars were catalogued by John Herschel as companions: component B is a 10th magnitude star 8.6 arc-seconds distant; component C is a 14th magnitude star 14.2 arc-seconds away; and component D is an 8th magnitude star at 85 arc-seconds. [3] [12] These stars are all thought to be main sequence members of NGC 2362. A period of 94,000 ...