Star in the constellation Sculptor
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! style="text-align: center; background-color: #FFFFC0;" colspan="2" | Observation dataEpoch J2000      Equinox J2000
! 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" | U−B 
! style="text-align:left" | B−V 
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Zeta Sculptoris, Latinized from ζ Sculptoris, is a multiple star system in the constellation Sculptor. It is faintly visible to the naked eye with an apparent magnitude of 5.04. The annual parallax shift is 6.49 mas, which yields a distance estimate of about 500 light years from the Sun. It is moving further away with a radial velocity of +8.6 km/s. Zeta Sculptoris is near the Blanco 1 cluster as viewed from Earth, although parallax measurements indicate it to be substantially closer.
The primary component, designated Zeta Sculptoris A, is a single-lined, low amplitude spectroscopic binary system with an orbital period of 4.8 years and an eccentricity of 0.32. The visible member of this pair is a B-type main-sequence star with a stellar classification of B5 V. It has a 13th magnitude companion, Zeta Sculptoris B, at an angular separation of 3 arcseconds along a position angle of 330° (as of 1927). According to Eggleton and Tokovinin (2008), it is most likely gravitationally bound to the primary component.
References.
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