Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

Result of query: info cati EM* AS$

Details on Acronym:   AS
  
AS     (Additional Star)
 Write:<<Em* AS  NNNA>>
 N:  521
Object:Em* + PN  (SIMBAD class: EmLine* = Emission-line Star)
  Stat:is completely incorporated in Simbad
  Note:Continues MWC. N=521 among which 39 PN.
   Ref:=1950ApJ...112...72M
     byMERRILL P.W.
, BURWELL C.G.
 Astrophys. J., 112, 72-89 (1950)

    Additional stars whose spectra have a bright H-α line.

oTable I: <Em* AS NNN> (Nos 1-519)
   Ref:=1951ApJ...113..624M
     byMILLER W.C.
, MERRILL P.W.
 Astrophys. J., 113, 624-625 (1951)

    Spectroscopic observations of Be stars.

oTable 1: <Em* AS NNN> (Nos 520-521)