Dictionary of Nomenclature of Celestial Objects

 = Infra-Red source
  Stat:is completely incorporated in Simbad
 in source:Orion Nebula:LDN 1641 = LDN 1641
   Ref:=1993ApJ...416..235C
     byCHEN H.
, TOKUNAGA A.T., FUKUI Y.
 Astrophys. J., 416, 235-246 (1993)

    An IRAS sample from co-added images of L 1641.

o[CTF93]50 = [MB91]21 ?
o<[CTF93] NNN> N=224 among 312
   Ref:=1994ApJS...90..149C
     byCHEN H.
, TOKUNAGA A.T.
 Astrophys. J., Suppl. Ser., 90, 149-172 (1994)

    Stellar density enhancements associated with IRAS sources in L1641.

oTable 1: <[CTF93] NNN> N=59 among 312

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