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70 Ophiuchi is a binary star system located 16.6 light years away from the Earth. It is in the constellation Ophiuchus . At magnitude 4 it appears as a dim star visible to the unaided eye away from city lights.
William Stephen Jacob (1813–1862) was an English immigrant astronomer in India, who acted as the director of the Madras Observatory from 1848 to 1859. His early claim of 1855 to have detected an exoplanet, in orbit around 70 Ophiuchi, is now thought to have been mistaken.
Part of a triple star system: 70 Ophiuchi: A 16.68: K0V [73] 0.91 ... Part of a quadruple star system Alpha Ophiuchi A (Rasalhague) 48.6 ...
Other bright stars in the constellation include β Ophiuchi, Cebalrai ("dog of the shepherd") [12] and λ Ophiuchi, or Marfik ("the elbow"). [13] Beta Ophiuchi is an evolved red giant star that is slightly more massive than the Sun. [14] [15] Lambda Ophiuchi is a binary star system with the primary being more massive and luminous than the Sun ...
Often mislabeled 47 Ophiuchi, ... γ Cas variable; Be star 30 Oph: 30: 70: 153687: ... [for example: multiple star status, range of variability if it is a variable ...
A rapidly-rotating star is distorted into an oblate spheroid bulging at the equator and hotter at the poles. Alpha Ophiuchi A is a rapidly rotating star with a projected rotational velocity of 240 km s −1. [16] It is spinning at about 88.5% of the rate that would cause the star to break up. [19]
Jill Jacobson, a star of film and TV known for her work in Star Trek: The Next Generation and the soap operas Falcon Crest and Days of Our Lives, has died.She was 70 years old. Jacobson's friend ...
In 1943 he claimed to have discovered (with Erik Holberg) a planetary companion of the star system 70 Ophiuchi and other stars. He claimed that this planetary object had 10 times the mass of the planet Jupiter and a 17-year orbital period. [4] This caused quite a sensation at the time.