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HD 137058

Star in the southern constellation of Lupus

Summary

Star in the southern constellation of Lupus

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HD 137058 is a star in the southern constellation of Lupus. Eggleton and Tokovinin (2008) list it as a single star, although Nitschelm and David (2011) noted it may be a double-lined spectroscopic binary. Its apparent visual magnitude is 4.60, which is bright enough to be visible to the naked eye. Based upon an annual parallax shift of , it is located 240 light years away.

The stellar classification of the primary component is A0 V, matching an A-type main-sequence star. It is spinning rapidly with a projected rotational velocity of 300 km/s, giving it an oblate shape with an equatorial radius 22% larger than the polar radius. The star is radiating 72 times the Sun's luminosity from its photosphere at an effective temperature of .

References

References

  1. "HD 137058".
  2. {{cite DR2. 6006429373106563712
  3. (2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal.
  4. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters.
  5. (1991). "An IRAS Survey of Main-Sequence B,A, and F Stars". The Astronomical Journal.
  6. (2011). "An Investigation on Close Binaries in the Sco-Cen Complex". Evolution of Compact Binaries.
  7. {{cite XHIP. 75501
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a-type-main-sequence-stars lupus-(constellation) bayer-objects durchmusterung-objects henry-draper-catalogue-objects hipparcos-objects bright-star-catalogue-objects
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