Relationship To Physical Units
The surface brightness in magnitude units is related to the surface brightness in physical units of solar luminosity per square parsec by
where and are the absolute magnitude and the luminosity of the Sun in chosen color-band respectively.
Read more about this topic: Surface Brightness
Famous quotes containing the words relationship to, relationship, physical and/or units:
“Poetry is above all a concentration of the power of language, which is the power of our ultimate relationship to everything in the universe.”
—Adrienne Rich (b. 1929)
“We must introduce a new balance in the relationship between the individual and the government—a balance that favors greater individual freedom and self-reliance.”
—Gerald R. Ford (b. 1913)
“Patience, that blending of moral courage with physical timidity.”
—Thomas Hardy (1840–1928)
“Even in harmonious families there is this double life: the group life, which is the one we can observe in our neighbour’s household, and, underneath, another—secret and passionate and intense—which is the real life that stamps the faces and gives character to the voices of our friends. Always in his mind each member of these social units is escaping, running away, trying to break the net which circumstances and his own affections have woven about him.”
—Willa Cather (1873–1947)