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Epsilon Telescopii

Star in the constellation Telescopus

Star in the constellation Telescopus

| b-v = +1.01 | u-b = +0.78 | r-i = Epsilon Telescopii, Latinized from ε Telescopii, is a solitary, orange-hued star in the southern constellation of Telescopium. It is visible to the naked eye with an apparent visual magnitude of +4.53. Based upon an annual parallax shift of 7.80 mas as seen from Earth, it is located roughly 410 light years from the Sun, give or take 20 light years.

This an evolved K-type giant with a stellar classification of K0 III. It displays an infrared excess, suggesting the presence of an orbiting disk of dust. The star is radiating 293 times the Sun's luminosity from its photosphere at an effective temperature of 4,996 K. It has a 13th magnitude optical companion at an angular separation of 16.30 arcseconds along a position angle of 233°, as of 2000.

References

| display-authors=1 | last1=Mason | first1=B. D.

| display-authors=1 | last1=McDonald | first1=I.

|display-authors=1 | last1=Zuckerman | first1=B.

| display-authors=1 | last1=Alves | first1=S.

References

  1. {{Cite Gaia DR3. 6719649408908407680
  2. (2014). "A catalog of rotational and radial velocities for evolved stars. V. Southern stars". Astronomy and Astrophysics.
  3. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics.
  4. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters.
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k-type-giants bayer-objects telescopium henry-draper-catalogue-objects hipparcos-objects bright-star-catalogue-objects durchmusterung-objects
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