Star in the constellation Circinus
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! style="text-align: center; background-color: #FFFFC0;" colspan="2" | Observation dataEpoch J2000.0      Equinox J2000.0
! style="text-align:left" | Constellation
! style="text-align:left" | Right ascension
! style="text-align:left" | Declination
! style="text-align:left" | Apparent magnitude (V)
! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics
! style="text-align:left" | Spectral type
! style="text-align:left" | B−V 
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BP Circini is a binary star system in the southern constellation of Circinus. It is located at a distance of approximately 3,300 light years from the Sun based on parallax.
The variability of this star was discovered by D. W. Kurtz in 1979. A small-amplitude Cepheid variable, its apparent magnitude ranges from 7.37 to 7.71 over 2.39810 days. A spectroscopic binary, the primary is a yellow-white bright giant of spectral type F2 or F3II. The spectrum shows peculiarities in the metallic lines. The secondary is a 4.7 solar mass (M☉) blue-white main sequence star of spectral type B6.
References.
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