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41 Comae Berenices

Star in the constellation Coma Berenices

Star in the constellation Coma Berenices

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41 Comae Berenices is a single, orange-hued star in the northern constellation of Coma Berenices. It is visible to the naked eye, having an apparent visual magnitude of 4.80. Based upon an annual parallax shift of , it is located around 379 light years away. It is moving closer to the Earth with a heliocentric radial velocity of −16 km/s.

At the age of about 4.5 billion years, this is an evolved giant star with a stellar classification of K5-III, currently on the red giant branch. It has 1.2 times the mass of the Sun and, after consuming the hydrogen at its core, has expanded to 34 times the Sun's radius. The star is radiating 323 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,211 K.

In 2017, one planet (HD 113996 b) was found orbiting it via the radial velocity method. The planet has a mass of at least , a semi-major axis of , an orbital period of , and an eccentricity of .

References

| display-authors=1 | last1=De Medeiros | first1=J. R.

References

  1. "41 Com".
  2. {{Cite Gaia DR3. 1460876573902483328
  3. HD 113996 b at the Open Exoplanet Catalogue. Available at https://exoplanet.eu/catalog/hd_113996_b--6676/. Accessed 28 November 2017.
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