Helium-rich subluminous B stars abundances

The connection between helium-rich hot subdwarfs of spectral types O and B (He-sdB) has been relatively unexplored since the latter were found in significant numbers in the...光谱型为O型与B型的富氦热亚矮星（He-sdB）之间的关联，自后者（即B型富氦热亚矮星）在……中被大量发现以来，仍相对未得到充分探索。