Complex sentence: There are 137 listed stars, but many are likely non-members, with only 36 have accurate photometric data, with the total apparent magnitude of 5.3 and integrated spectral type of B1.7.
Split into simpler sentences: There are 137 listed stars, but many are likely non-members, with only 36 have accurate photometric data. Total apparent magnitude of 5.3 and integrated spectral type of B1.7.