Tau Scorpii

Starbox short
name=τ Scorpii
epoch=J2000.0
constell=Scorpius
ra=16^h 35^m 53.0^s
dec=−28° 12' 58"
spectral=B0V
appmag_v=+2.82
dist_ly=430 ± 44
dist_pc=132 ± 14
names=Alniyat, Al Niyat, 23 Scorpii,
HR 6165, HD 149438,
HIP 81266

Tau Scorpii is a star in the constellation Scorpius. Tau Scorpii also has the traditional name Alniyat or Al Niyat, which it shares with σ Scorpii. The name derives from the Arabic النياط "an-niyāţ" meaning "the arteries".

Tau Scorpii is a blue-white B-type dwarf with an apparent magnitude of +2.82. It is approximately 430 light years from Earth.

It is a magnetic star whose surface magnetic field was mapped by means of Zeeman-Doppler imaging [ [http://adsabs.harvard.edu/abs/2006MNRAS.370..629D Donati et al, 2006, MNRAS 370, 629, "The surprising magnetic topology of τ Sco: fossil remnant or dynamo output?"] ] .

Notes