Theta Arae

Source: Wikipedia, the free encyclopedia.
Theta Arae
Diagram showing star positions and boundaries of the Ara constellation and its surroundings
The location of θ Arae (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 18h 06m 37.87129s[1]
Declination –50° 05′ 29.3125″[1]
Apparent magnitude (V) +3.67[2]
Characteristics
Spectral type B2 Ib[3]
U−B color index –0.870[2]
B−V color index –0.109[2]
Distance
810 ± 30 ly
(249 ± 9 pc)
Absolute magnitude (MV)−3.33[5]
Details
Myr
HIP 88714, HR 6743, SAO 245242.[10]
Database references
SIMBADdata

Theta Arae,

mas,[1] Theta Arae is 810 light-years (250 parsecs
) distant from the Earth.

This is a

References

  1. ^ .
  2. ^ .
  3. ^ .
  4. .
  5. ^ .
  6. ^ .
  7. ^ .
  8. .
  9. .
  10. ^ "* tet Ara". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-07-30.{{cite web}}: CS1 maint: postscript (link)
  11. ^ "The Colour of Stars", Australia Telescope, Outreach and Education, Commonwealth Scientific and Industrial Research Organisation, December 21, 2004, archived from the original on 2013-12-03, retrieved 2012-01-16

External links