Sirius has a spectral type of A1V, a surface temperature of 9940° Kelvin and a luminosity 25 times the Sun. It has a mass of 2.02 solar masses and a diameter 1.7 times the Sun. The image above shows the uncropped view of Sirius (North is up) through the Takahashi E-180 Astrograph...
Sirius A is a star of spectral type A1V. Sirius B is a white dwarf star, which was once a more massive main sequence star then its companion. Sirius ASirius A is the star that is seen from Earth and known since ancient times, it is the brightest star in the night sky. As an A1...
Sirius A has a companion star, the white dwarf Sirius B, which rotates around their center of common mass once every 50 years. However, it is around 10,000 times fainter than Sirius
The name "Sirius" is derived from the Ancient Greek Seirios ("glowing" or "scorcher"). 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, ...
Sirius (or Sirius A) is amain-sequence starof spectral type early A. Sirius B is one of the largest known white dwarf stars and is 10,000 times dimmer than Sirius. It’s so dim that astronomers couldn’t estimate its mass until 2005 by using data from theHubble Space Telescope. ...
Sirius is a binary star. The main component has an apparent magnitude of −1.46 and the spectral type A0mA1 Va. The companion is a faint white dwarf with a magnitude of +8.44 and spectral type DA2.[1] Sirius.From the ancient Greek name Σείριος, the “Scorching One, or ...
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...
To the naked eye Sirius appears as a single star, but it's actually abinary system. The primary component is a whitemain sequencestar ofspectral type, A1V, named Sirius A. This star is the one visible to the naked eye. It has a radius of 1.7 times that of the Sun and is 25 time...
Red Siriusearly-medieval manuscriptAn unresolved problem regarding ancient astronomical records is that of the star 'Red Sirius'. While Sirius today shines white with a blueish hue quite in agreement with its spectral type AIV, many Greek/Roman and Babylonian sources (although still disputed) ...
SIRIUS is a software for discovering a landscape of de-novo identification of metabolites using tandem mass spectrometry. This repository contains the code of the SIRIUS Software (GUI and CLI) - sirius/sirius_rest_service/openapi-spec.json at stable · s