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An eclipsing binary star is a binary star system in which the orbital plane of the two stars lies so nearly in the line of sight of the observer that the components undergo mutual eclipses. [20] In the case where the binary is also a spectroscopic binary and the parallax of the system is known, the binary is quite valuable for stellar analysis.
International researchers recently spotted a pair of stars orbiting around one another in surprisingly close proximity to Sagittarius A*. Researchers find binary stars orbiting near Milky Way's ...
The James A. Rhodes State Office Tower is a 41-story, 629-foot (192 m) state office building and skyscraper on Capitol Square in Downtown Columbus, Ohio.The Rhodes Tower is the tallest building in Columbus and the fifth tallest in Ohio.
The star, whose mass is roughly half that of the Sun, is currently 62 light-years from the Solar System. It was first noticed in 1999 using data from the Hipparcos satellite, and was estimated to pass less than 1.3 light-years (0.40 pc) from the Sun in 1.4 million years. [ 73 ]
KIC 9832227 is a contact binary star system in the constellation Cygnus, located about 2,060 light-years away. It is also identified as an eclipsing binary with an orbital period of almost 11 hours. [4]
Below there are lists the nearest stars separated by spectral type.The scope of the list is still restricted to the main sequence spectral types: M, K, F, G, A, B and O.It may be later expanded to other types, such as S, D or C.
Binary star system with orbit t=6.5 d 20 h 24 m 03.83 s [14] +33° 52′ 02.2″ [14] 1989 May 22 A BH: 9: First black hole to have an accurate parallax measurement of its distance from our solar system B K [4] 0.7: Early K giant star 8100 ± 1000: 2.49 ± 0.30: GRO J0422+32: Binary star system with orbit t=5.09 h 04 h 21 m 42.723 s +32° 54 ...
Sirius is a binary star system consisting of two white stars orbiting each other with a separation of about 20 AU [e] (roughly the distance between the Sun and Uranus) and a period of 50.1 years. The brighter component, termed Sirius A, is a main-sequence star of spectral type early A , with an estimated surface temperature of 9,940 K . [ 14 ]