Dictionary of Nomenclature of Celestial Objects

HI  (SIMBAD class: HI = HI (21cm) Source)
Stat:is completely incorporated in Simbad
Note:Table 4: format 'NN', N=37 HI complexes in NGC 6946 Table 5: format 'HHMMSS+DDMMSS', N=6 HI holes
in source:NGC 6946
Ref:=1992A&A...266...37B
byBOULANGER F. , VIALLEFOND F.
 Astron. Astrophys., 266, 37-56 (1992)
  Observational study of the spiral galaxy NGC 6946. I. HI and radio continuum observations.
oTable 4: <[BV92] NN> N=37, Table 5: <[BV92] HHMMSS+DDMMSS> N=6

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