Dictionary of Nomenclature of Celestial Objects

ference star position. The number immediately following gives the radius of the given star relative to the reference in arcseconds, while the second number is a unique index for the star relative to all others at that same radius.
in source:NAME Arches Cluster
Ref:=2019ApJ...870...44H
byHOSEK M.W. , LU J.R., ANDERSON J., NAJARRO F., GHEZ A.M., MORRIS M.R., CLARKSON W.I., ALBERS S.M.
 Astrophys. J., 870, 44-44 (2019)
  The unusual initial mass function of the Arches Cluster.
oTable 6: <[HLA2019] AwNNN NNN> N=980.

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