Magnitude (astronomy) - Absolute Scale Based On Vega

Absolute Scale Based On Vega

The star Vega has been defined as having a magnitude of zero, or at least near. Modern instruments such as bolometers and radiometers give Vega a brightness of about 0.03. The brightest star, Sirius, has a magnitude of −1.46. or −1.5. However, Vega has been found to vary in brightness, and other standards have been proposed.

Read more about this topic:  Magnitude (astronomy)

Famous quotes containing the words absolute, scale, based and/or vega:

    My dream of politics all my life has been that it is the common business, that it is something we owe to each other to understand and ... discuss with absolute frankness.
    Woodrow Wilson (1856–1924)

    We honor motherhood with glowing sentimentality, but we don’t rate it high on the scale of creative occupations.
    Leontine Young (20th century)

    Italy is such a delightful place to live in if you happen to be a man. There one may enjoy that exquisite luxury of Socialism—that true Socialism which is based not on equality of income or character, but on the equality of manners. In the democracy of the caffè or the street the great question of our life has been solved, and the brotherhood of man is a reality. But it is accomplished at the expense of the sisterhood of women.
    —E.M. (Edward Morgan)

    You know what the funniest thing about Europe is? It’s the little differences.
    Quentin Tarantino, U.S. screenwriter and director, and Roger Avary. Vincent Vega (John Travolta)