Dictionary of Nomenclature of Celestial Objects
(Last update: 05-Dec-2023)

Result of query: info cati Dd$

Details on Acronym:   DD
  
DD     (Double Degenerate) (Not yet in Simbad)
  ***** Avoid the usage of DD,  prefer [H99c]
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   DD
  
DD     (Dufour+Duval)
  ***** Avoid the usage of DD,  prefer [DD75]
 Originof the Acronym: L (1986A&A...162..180H)

Details on Acronym:   DD
  
DD     (Direct Demodulation)
  ***** Avoid the usage of DD,  prefer EXO
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   Dd
  
Dd     (Dolidze)= (Do) 
 Write:<<PN Dd  N>>
 N:  1
Object:PN  (SIMBAD class: PlanetaryNeb = Planetary Nebula)
  Stat:is completely incorporated in Simbad
  Note:Dd 1 = PN G078.6+05.2 = PK 078+05 1
   Ref:=1971ATsir.629....6D
     byDOLIDZE M.W.

 Astron. Tsirk., 629, 6-7 (1971)

    Emission objects in Cygni.

o<PN Dd N> (No. 1).

Details on Acronym:   Do
  
Do     (Dolidze)
  ***** Avoid the usage of Do,  prefer Dd

Details on Acronym:   Cl* Ruprecht 55 Dd
  
Cl* Ruprecht 55 Dd (Dood+)
  ====>Equivalent to: Cl* Ruprecht 55 DE