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Based upon an annual parallax shift of 0.00632 arcseconds, [1] the distance to this system is roughly 520 light years. This is a single-lined spectroscopic binary system, [ 9 ] which means that only the absorption line features of one of the components can be distinguished.
Stellar parallax measures are given in the tiny units of arcseconds, or even in thousandths of arcseconds (milliarcseconds). The distance unit parsec is defined as the length of the leg of a right triangle adjacent to the angle of one arcsecond at one vertex, where the other leg is 1 AU long.
The light-year is most often used when expressing distances to stars and other distances on a galactic scale, especially in non-specialist contexts and popular science publications. [4] The unit most commonly used in professional astronomy is the parsec (symbol: pc, about 3.26 light-years). [2]
OpenRelativity is a toolkit designed for use with the proprietary Unity game engine. It was developed by MIT Game Lab during the development of A Slower Speed of Light. The toolkit allows for the accurate simulation of a 3D environment when light is slowed down. [7] It is hosted on GitHub and has been published under the permissive MIT license. [2]
A parsec is the distance from the Sun to an astronomical object that has a parallax angle of one arcsecond (not to scale). The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to 3.26 light-years or 206,265 astronomical units (AU), i.e. 30.9 trillion kilometres (19.2 trillion miles).
an object of diameter 45 866 916 km at one light-year, an object of diameter one astronomical unit (149 597 870.7 km) at a distance of one parsec, per the definition of the latter. [7] One milliarcsecond is about the size of a half dollar, seen from a distance equal to that between the Washington Monument and the Eiffel Tower.