SIRIUS

or a CANIS MAJOR IS, popularly known as the Dog Star, is the brightest star, and is so bright that it is im a cla by itself. Its magnitude is represented thus, —1°4. It has a proper motion of 132’’ a century, and it is distant a little over 8% light years. This distance is being decreased by nine miles each second. S. belongs to Secchi’s first type of star, which type is often ealled ‘Sivian’ after it. These stars are either white or blue (S. is blue), and their spectra show broad dark lines due to hydrogen. S. is twenty times more tuminous than the sun, is a binary with a fifty-year period, its companion being a tenth-magnitude star. promontory, on S. shore of Lake of 10’ HE), native state, Punjab, India. Pop. 1911, 140,000. Chief town, Nahan. native state, Rajputana Agency, India. Pop. 155,000. Capital, Sirohi. Pop. 5,800.