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54 Ceti

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Magnitude  5.94
Apparent magnitude (V)  5.94
Constellation  Aries
54 Ceti
People also search for  Theta Arietis, 85 Ceti, Kappa Arietis

54 Ceti is an older Flamsteed designation for a star that is now located within the constellation boundaries of Aries, the Ram. In the present day it is known by star catalogue identifiers like HD 11257 or HR 534. At an apparent visual magnitude of 5.94, it can be seen with the naked eye. The distance to this star, as determined using parallax measurements made during the Hipparcos mission, is approximately 139 light-years (43 parsecs), give or take a 6 light-year margin of error. It is located near the ecliptic and hence is subject to occasional occultations by the Moon and planets.

This is an F-type main sequence star with a stellar classification of F2 Vw, where the 'w' indicates weak absorption lines in the spectrum. It is a candidate member of the Ursa Major Moving Group, which has an estimated age of 500 ± 100 million years.


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