(Celestial Objects) the brightest star in the sky after the sun, lying in the constellation Canis Major. It is a binary star whose companion,Sirius B, is a very faint white dwarf. Distance: 8.6 light years. Also called:the Dog Star,CaniculaorSothis ...
Sirius’ brightness can be attributed to its luminosity and proximity at a distance of 8.6 light-years. There are few stars that are closer to Earth, but none of them can match Sirius’ magnitude. Based on calculations from theEuropean Space Agency’s Hipparcos satellite, Sirius will continue ...
Distance (light-years) 8.60 Apparent Mag. -1.46 Absolute Mag. +1.42 Spectral Type A1V Radius (Sol) 1.71 Surface Temp (K). 9,940 Luminosity (Sol) 25 Age (years) 250 Million Other designations HR 2491, HD 48915, HIP 32349 Notable features Brightest star in the night time sky. Has a ...
Sirius, also known as the Dog Star, is thebrightest starin our night-time sky. It's also thesixth closest starto Earth, at a distance of 8.6 light-years. (A light-year is the distance that light travels in a year). The name "Sirius" comes from the ancient Greek word for "scorching...
With an apparent magnitude of -1.44, Sirius is the 1st brightest star in the entire sky (see: 50 Brightest Stars ). Its absolute magnitude is 1.45 and its distance is 8.6 light years.The Equinox J2000 equatorial coordinates are RA = 06h 45m 08.9s, Dec = -16° 42' 58"....
Sirius, notwithstanding its brilliancy, is by no means the nearest star to our system, although it is among the nearest; only two or three others having, so far as is yet known, a smaller distance. Investigations up to the present time show a parallax of 0″.39, indicating a distance ...
Sirius, also known as Alpha Canis Majoris or the Dog Star, is the fifth closest star (counting Proxima Centauri as a separate star) to our Solar System at a distance of 8.6 light years, and the second closest binary star system. Sirius is also the brightest star in the night sky with ...
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The two stars in the Sirius binary system orbit each other with an average distance of 19.8 AU (around the distance ofUranusfrom the Sun), which takes around 50 years to complete. Sirius A is a star of spectral type A1V. Sirius B is awhite dwarfstar, which was once a more massive ...
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