Alpha Columbae

starbox short
name=Alpha Columbae
epoch=J2000.0
constell=Columba
ra=05^h 39^m 38.9^s
dec=−34° 04' 26.8"
appmag_v=2.65
absmag_v=-1.97
dist_ly=268
dist_pc=82.2
spectral=B7IVe
names=HD 37795, HIP 26634, HR 1956, IRAS 05378-3405, SAO 196059

Alpha Columbae (α Col / α Columbae) is a subgiant star in the constellation Columba. It also has the traditional name Phact, from Arabic "Al-Fakhitah", or the dove.

It has an apparent magnitude of approximately 2.6, making it the brightest star in the constellation. Phact is a binary star. Its faint companion has an apparent magnitude of 12.3 and is 13.5" distant from the main star.

References

# [http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=*+alf+Col&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2006&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0 SIMBAD Query Result]
# [http://edu.kde.org/kstars KStars Astronomical Database]
# [http://www.astro.uiuc.edu/~kaler/sow/phact.html Jim Kaler: "Phakt"]