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Canis Major is a constellation in the southern celestial hemisphere. In the second century, it was included in Ptolemy 's 48 constellations, and is counted among the 88 modern constellations . Its name is Latin for "greater dog" in contrast to Canis Minor , the "lesser dog"; both figures are commonly represented as following the constellation ...
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The equatorial region of the celestial sphere's eastern hemisphere includes 17 navigational stars from Alpheratz in the constellation Andromeda to Denebola in Leo. It also includes stars from the constellations Cetus, Aries, Taurus, Orion, Canis Major and Minor, Gemini, and Hydra.
The brightest member star system is Tau Canis Majoris, and therefore it is sometimes called the Tau Canis Majoris Cluster. The cluster is located at a distance of approximately 1.48 kpc from the Sun , [ 1 ] and appears associated with the giant nebula Sh2-310 that lies at the same distance, [ 7 ] about one degree to the east.
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.
This is the list of notable stars in the constellation Canis Major, sorted by decreasing brightness. List. Name B F Var HD HIP RA Dec vis. mag. abs. mag. Dist.
10 Canis Majoris is 8.2 [8] million years old with 19.2 [8] times the mass of the Sun and 10 [9] times the Sun's radius. It is radiating around 44,000 [ 10 ] times the luminosity of the Sun from its photosphere at an effective temperature of 25,000 K. [ 10 ] There is a magnitude 12.58 visual companion at an angular separation of 37.3 ″ along ...
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 ]