Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Apr-2024)

Result of query: info cati GGA2006] NN$
.

Details on Acronym:   [GGA2006]
  
[GGA2006] (Georgakakis+Georgantopoulos+Akylas, 2006)
Write:<<[GGA2006] NN>>
N: 84
Object:(X)  (SIMBAD class: X = X-ray Source)
Note:XMM-Newton archival observations selected to overlap with the DR2 SDSS to explore the nature of the X-ray sources with red optical colours. 84 AGN candidates are found.
Ref:=2006MNRAS.366..171G
byGEORGAKAKIS A.E. , GEORGANTOPOULOS I., AKYLAS A.
 Mon. Not. R. Astron. Soc., 366, 171-181 (2006)
  Red active galactic nuclei in XMM-Newton/Sloan Digital Sky Survey fields.
oTable 1: <[GGA2006] NN> (Nos 1-84).
=E=Catalogue in electronic form as J/MNRAS/366/171
Originof the Acronym: S = Created by Simbad, the CDS Database