· · · ·
Proper NameNone
Bayer DesignationTheta Chamæleontis
Flamsteed NumberNone
HR (BSC)3340
Right Ascension8h 20m 39s
Declination-77° 29' 4"
Distance155 light years
48 parsecs
MagnitudeApparent: +4.3
Absolute: +1.0
Spectral ClassK2IIICN0.5 orange giant
Optimum VisibilityFebruary (Usually visible from southern latitudes)
NotesAn evolved orange star, Theta Chamæleontis has a mass comparable to that of the Sun, but has expanded to more than ten times the Sun's diameter. Spectral analysis of the star's light shows an unusual abundance of metals compared to other similar stars, particularly cyanogen, as indicated by the notation 'CN0.5' in its spectral type.


Related Entries