Dschubba

Delta Scorpii

Dschubba

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


Flamsteed

7 Scorpii

Hipparcos Identifier (HIP Number)

78401

Harvard Revised (HR Number)

5953

Henry Draper Catalog (HD Number)

143275

Bonner Durchmusterung (BD Number)

BD-22 4068
Smithsonian Astrophysical
Observatory compendium (SAO Number)
184014

Fundamental Katalog (FK5 Number)

594
 

 


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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