Beta Sextantis (β Sex, β Sextantis) is a variable star in the constellation Sextans. Beta Sextantis is a blue-white B-type main sequence dwarf. It is approximately 345 light years from Earth. It is classified as an Alpha2 Canum Venaticorum variable and its brightness varies from magnitude +5.00 to +5.10. The period of this variability is unclear but may be around 15.4 days.
Photometric variability of some early-type stars, G. Mathys, J. Manfroid, and P. Renson, Astronomy and Astrophysics Supplement Series, 63 (1986), pp. 403–416. Abstract on ADSABS