Inside Out Library · Explore

A handbook of double stars, with a catalogue of twelve hundred double stars and extensive lists of measures. With additional notes bringing the measures up to 1879 (1879)

Crossley, Edward, 1841-1904 · London, Macmillan · leaf 171

An illustration from A handbook of double stars, with a catalogue of twelve hundred double stars and extensive lists of measures. With additional notes bringing the measures up to 1879, 1879, leaf 171
142 DOUBLE STARS. Now let C be the place of the star as viewed from the sun, … no parallax, C the position of the star when the time is t, and the longitude of the earth is L ; then C o- C is the change in the angle of position due to parallax. Then we have, R being the radius factor of the earth at the time t, X the constant of parallax for the star at the earth's mean…

Double stars · Astronomical observatories · Micrometers (Instruments)

Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.

More pictures from A handbook of double stars, with a catalogue of twelve hundred double stars and extensive lists of measures. With additional notes bringing the measures up to 1879

More like this