Delta Scorpii


Distance (Light Years) 402 ± 44
Apparent Magnitude 2.29
Color (B-V)-0.12

Names For This Star

Dschubba may be derived from the Arabic term Al Jabhah, "The Front" (or "The Forehead"). The star is also known as Iclarkrav or Iclarkrau, which may be a modern coinage derived from the Arabic Iklil al 'Akrab meaning "The Crown of the Scorpion."

Description of the Star

Dschubba is a blue B0.3IV subgiant star about 1600 times as luminous as the sun and 6 times the diameter of the sun.

Dschubba has two companions. One has been observed only by its effect on the primary. It orbits with a 20 day period. The other companion orbits with a longer period. It has a Apparent Magnitude of about 4.9 and is separated by 0.17 arc sec from the primary, corresponding to a projected separation of about 20 AU.

Other Designations For This Star


7 Scorpii

Hipparcos Identifier (HIP Number)


Harvard Revised (HR Number)


Henry Draper Catalog (HD Number)


Bonner Durchmusterung (BD Number)

BD-22 4068
Smithsonian Astrophysical
Observatory compendium (SAO Number)

Fundamental Katalog (FK5 Number)



Copyright © 1998 - 2010 by Arnold V. Lesikar,
Professor Emeritus
Dept. of Physics, Astronomy, and Engineering Science,
St. Cloud State University,St. Cloud, MN 56301-4498

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