HD 24160
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HD 24160 is a single star in the equatorial constellation of Eridanus. It is visible to the naked eye with an
apparent visual magnitude Apparent magnitude () is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's lig ...
of 4.17. The distance to HD 24160 can be estimated from its annual parallax shift of , yielding a separation of 217  light years. It is moving further from the Earth with a heliocentric radial velocity of +2 km/s. This object is a coronal member of the Ursa Major Moving Group of stars that share a common motion through space. At the age of 1.76 billion years old, HD 24160 is an
evolved Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes, which are passed on from parent to offspring during reproduction. Variation ...
G-type
giant star A giant star is a star with substantially larger radius and luminosity than a main-sequence (or ''dwarf'') star of the same surface temperature.Giant star, entry in ''Astronomy Encyclopedia'', ed. Patrick Moore, New York: Oxford University Press ...
with a stellar classification of G7 III, having consumed the hydrogen at its
core Core or cores may refer to: Science and technology * Core (anatomy), everything except the appendages * Core (manufacturing), used in casting and molding * Core (optical fiber), the signal-carrying portion of an optical fiber * Core, the centra ...
and tracked away from the main sequence. It has 2.33 times the mass of the Sun and has expanded to about 11 times the Sun's radius. The star is radiating 81.3 times the
Sun's luminosity The solar luminosity (), is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun. One nominal ...
from its enlarged photosphere at an effective temperature of 4,948 K.


References

{{DEFAULTSORT:HD 24160 G-type giants Eridanus (constellation) Eridani, g Durchmusterung objects 024160 017874 1195