Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)

Result of query: info cati J55]$

Details on Acronym:   [J55]
  
[J55] (Johnson)= (J1-) (Not yet in Simbad)
Write:<<[J55] NNN>>
N: 152
Object:HII + RFN  (SIMBAD class: ISM = Interstellar Medium Object)
Note:152 objects among which 36 are new PN, also named 'PN YM NN' (Nos 1-36) (see YM)
Ref:=1955ApJ...121..604J
byJOHNSON H.M.
 Astrophys. J., 121, 604-610 (1955)
  Symmetric galactic nebulae.
oTable 1: <[J55] NNN> (Nos 1-152), among which 36 are cross-id. with <PN YM NN> (Nos 1-36)
Originof the Acronym: S = Created by Simbad, the CDS Database