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Proper Name	None
Bayer Designation	Theta Circini
Flamsteed Number	None
HR (BSC)	5551
HD	131492
Constellation	Circinus
Right Ascension	14h 56m 44s
Declination	-62° 46' 52"
Distance	c.1,500 light years c.500 parsecs
Magnitude	Apparent: +5.07 Absolute: -3.26
Spectral Class	B4Vnpe blue main sequence star
Optimum Visibility	May (Usually visible from southern latitudes)

Imagery provided by Aladin sky atlas

A blue star in the constellation of Circinus, just a few degrees from the famous and prominent Alpha Centauri or Rigil Kentaurus. Theta Circini is a close binary system containing two similar stars. The primary star is an eruptive variable of the Gamma Cassiopeiae type, expelling rings of matter from its equatorial regions on a somewhat irregular basis.

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