The brightest-appearing star in the sky; 8.7 light-years from the sun, spectral class A1V; it has a white dwarf companion. Also known as Dog Star. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. ...
Spectral class: A1 Magnitude: -1.46 The history of Sirius the Dog-star from p.120-129 of Star Names, Richard Hinckley Allen, 1889.[A scanned copy can be viewed on this webpage Alpha (α) Canis Major, Sirius, is a binary, -1.43 and 8.5, brilliant white and yellow star in the Greate...
[5] Scientists theorize the star was once one of a spectral class B stars much like Regulus before becoming a red giant and finally a white dwarf.[6] Disambiguation Sirius. also known as Sirius XM Radio, Inc. is also a subscription radio service most famous for hiring Howard Stern, but...
Related to Sirius A:Arcturus,Vega,Pistol Star,Mu Cephei Sir·i·us (sĭr′ē-əs) n. A star in the constellation Canis Major, the brightest star in the sky, approximately 8.6 light years distant from Earth. Also calledDog Star,Sothis. ...
SIRIUS. α Canis Majoris.A binary, white and yellow star. The main star belongs to spectral class A l. It has a companion star, Sirius ‘B,’ a white dwarf star that rotates around the main star every 50 years. This is a dwarf star having 90,000 times the density of our Sun. Sir...
. The star has the Bayer designation Alpha 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...
Padfoot refers to a spectral Hellhound (Most commonly known as Black Shuck) with glowing red eyes that haunts the moors around Leeds, in Northern England. Its presence is announced by soft, padding footfalls that may be accompanied by the rattle of chains or a fierce roaring as the beast dr...
This discussion concentrates on the main components: Sirius A, a star of spectral class A twice as massive as the sun; and Sirius B, one of the most massive white dwarfs known. The old and the ethnic in astronomy But calm October dawns, when the seeing is likely to turn particularly sta...
Sirius, also designated as α Canis Majoris (alpha Canis Majoris), is a multiple main-sequence star of spectral class A1 in the constellation of Canis Major. Sirius visual magnitude is -1.46. Because of its brightness, Sirius is clearly visible to the naked eye when observed from locations ...