NGC 2440

Query : NGC 2440
C.D.S. - SIMBAD4 rel 1.5.11 - 2017.10.18CEST13:04:23

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations

Basic data :
NGC 2440 -- Planetary Nebula
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
* (BD,GCRV,...), PN (Ref,PK,...), Rad (F3R,NVSS,...), IR (IRAS,MSX5C,...), smm (JCMTSE,JCMTSF), G (ESO), cm (AT20G), UV (FAUST)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit a