Mu-1 Sco

 mk (11)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |B3p                                 |1993yCat.3135....0C|
 |  /   |Be                                  |2016AJ....152..207R|
 |  /   |B1.5IV+B                            |1982MSS...C03....0H|
 |  /   |B2.5V                               |1976A&AS...26..241C|
 |  /   |B2V                                 |1968ApJ...151.1043S|
 |  /   |B1.5V                               |1958ApJ...128..533B|
 |  /   |B1.5V                               |1955ApJS....2...41M|
 |  /   |B3+B3                               |1921AnHar..96....0C|
 |  /   |B1V+B                               |1975A&AS...19...91L|
 |  /   |B1.5IV                              |1969ApJ...157..313H|
 |P /   |B3Vp                                |1957MNRAS.117..449D|