Dictionary of Nomenclature of Celestial Objects
(Last update: 02-Jun-2023)

Result of query: info cati MM53]$

Details on Acronym:   Ass Cyg OB 2-
  
Ass Cyg OB 2- (Assoc. Cyg OB 2)
  ***** Avoid the usage of Ass Cyg OB 2-,  prefer [MM53]
 Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   Cyg OB 2-
  
Cyg OB 2- (Cyg OB2)
  ***** Avoid the usage of Cyg OB 2-,  prefer [MM53]
 Originof the Acronym: L = Found in the literature

Details on Acronym:   [MM53]
  
[MM53] (Munch+Morgan, 1953)= (Ass Cyg OB 2-) = (Cyg OB 2-) = (VI Cyg) = (Schulte) 
 Write:<<[MM53]  Cyg OB2 NNA>>

<<[MM53]  Cyg OB2-NNA>>	(not recognised by Simbad, but found in literature)
 N:  85+5
Object:*  (SIMBAD class: Star)
  Note:Stars in the association Cyg OB2.
    Sources often designated as <Cyg OB2 NNA> in the literature. See also Schulte.
 in source:NAME VI Cyg = Ass Cyg OB 2
   Ref:=1953ApJ...118..161M
     byMUNCH L.
, MORGAN W.W.
 Astrophys. J., 118, 161-162 (1953)

    A probable clustering of blue giants in Cygnus.

o<Schulte NN> (Nos 1-11) = <[MM53] Cyg OB2 NN> (Nos 1-11).
   Ref:=1954ApJ...119..344J
     byJOHNSON H.L.
, MORGAN W.W.
 Astrophys. J., 119, 344-345 (1954)

    A heavily obscured O-association in Cygnus.

o<Schulte NNA> (Nos 8A-8D) added  = <[MM53] Cyg OB2 NNA> (Nos 8A-8D) added.
   Ref:=1954PASP...66...85M
     byMORGAN W.W.
, JOHNSON H.L., ROMAN N.G.
 Publ. Astron. Soc. Pac., 66, 85-87 (1954)

    A very red star of early type in Cygnus.

o<Schulte NNA> (No. 12) added = <[MM53] Cyg OB2 NNA> (No. 12) added.
   Ref:=1954ApJ...120..506M
     byMORGAN W.W.
, MEINEL A.B., JOHNSON H.M.
 Astrophys. J., 120, 506-508 (1954)

    Spectral classification with exceedingly low dispersion.

oFig. 5: <Schulte NNA> (Nos 13-19) = <[MM53] Cyg OB2 NNA> (Nos 13-19) added.
   Ref:=1956ApJ...123..250S
     bySCHULTE D.H.

 Astrophys. J., 123, 250-252 (1956)

    Some recent results of low-dispersion spectral classification.

oFigs 3, 4: <Schulte NNA> (Nos 20-30) added = <[MM53] Cyg OB2 NNA> (Nos 20-30)    added. Fig.6: <Cl* NGC 6618 Sch N> (Nos 1-2).
   Ref:=1956ApJ...124..530S
     bySCHULTE D.H.

 Astrophys. J., 124, 530-532 (1956)

    New members of the association VI Cygni.

oFig. 6: <Schulte NN> (Nos 31-85) added = <[MM53] Cyg OB2 NNA> (Nos 31-85) added.
 Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   Schulte
  
Schulte (Schulte)
  ***** Avoid the usage of Schulte,  prefer [MM53]
 Originof the Acronym: L = Found in the literature

Details on Acronym:   VI Cyg
  
VI Cyg (Assoc. VI Cygnus)
  ***** Avoid the usage of VI Cyg,  prefer [MM53]
 Originof the Acronym: L = Found in the literature