Complex sentence: Delta Trianguli A is a yellow dwarf star and with a mass higher than the Sun. The spectral characteristics of the smaller companion Delta Trianguli B are not well determined since the close orbit makes observations difficult, although it may be an orange dwarf of spectral type K4V.
Split into simpler sentences: Delta Trianguli A is a yellow dwarf star and with a mass higher than the Sun. The spectral characteristics of the smaller companion Delta Trianguli B are not well determined. As the close orbit makes observations difficult, though it may be an orange dwarf of spectral type K4V.