Pleiades Numbering system (16.02.96)

    1 - 3259 : 3529 stars, Hertzsprung (1947), HII
 3301 - 3350 :   50 stars, Trumpler, *S and R ; special numbering
 3401 - 3593 :  191 stars, van Leeuwen (Pels) ; no + 3400
 3701 - 3826 :  126 stars, McCarthy - Treanor ; no + 3700
 3901 - 3980 :   80 stars, van Maanen, VM ; no + 3900
 3981 - 3994 :   14 stars, Stauffer et al. (ApJ 504,805) ; No MHO
 4001 - 4453 :  453 stars, Jones ; no + 4000
 4501 -      :             Brown dwarf candidates 
 5001 - 5113 :  113 stars, Artjukhina - Kalininia, seq. numbering
 5200 - 5539 :  339 stars, Pinfield . no + 5200
 7001 - 7802 :  802 stars, Stauffer - Klemola, SK ; no + 7000
 8001 - 8440 :  440 stars, Hambly ; no + 8000
 8501 - 8662 :  161 stars, Belikov et al.; sequential numbering
 9001 - 9600 :  600 stars, flare stars, unified numbering ; no + 9000
10001 -10916 :  373 stars, Deacon and Hambly