page_title: Chi Draconis
section_title: Description
hierarchical_section_title: Chi Draconis / Description
caption_attribution_description: English: Chi Draconis in optical light
context_page_description: Chi Draconis is a star system in the constellation Draco.
context_section_description: The first companion is a yellow-white (class F) fourth-magnitude star with a mass approximately equal to that of the sun, but it is nearly twice as luminous. The second companion is an orange (class K) sixth-magnitude star, that is less massive and of lesser luminosity than the sun. In 1898 this system was reported to be a spectroscopic binary system, with an orbital period of 280.55 days. The two stars have an average separation of nearly an astronomical unit, which would disrupt the orbit of any Earth-like planet that was close enough to the primary to support liquid water. The two stars have less than half the abundance of heavy elements as the Sun and are approximately a billion years older. Separations between the two stars have been measured and the difference in brightness between the two stars is 2.12 magnitudes at 700 nm.
caption: χ Draconis in optical light
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