Dictionary of Nomenclature of Celestial Objects

 ot D
 N:  4
Object:Knot  (SIMBAD class: Unknown = Object of unknown nature)
 in source:NGC 6881
   Ref:=1998ApJ...508..262G
     byGUERRERO M.A.
, MANCHADO A.
 Astrophys. J., 508, 262-267 (1998)

    A precessing collimated outflow in the quadrupolar planetary nebula
    NGC 6881.
oFig.2: <[GM98b] Knot A> (Nos A-D).

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