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

Result of query: info cati HELLAS$

Details on Acronym:   HELLAS
  
HELLAS (High Energy Large Area Survey)
 Write:<<HELLAS  NNN>>  

        <<HELLAS  NNN.N>>
 N:  147
Object:(X)  (SIMBAD class: X = X-ray Source)
  Note:BeppoSAX HELLAS catalogue.
    See also [FLG99].
   Ref:=2001MNRAS.327..771F
     byFIORE F.
, GIOMMI P., VIGNALI C., COMASTRI A., MATT G., PEROLA G.C., LA FRANCA F., MOLENDI S., TAMBURELLI F., ANTONELLI L.A.
 Mon. Not. R. Astron. Soc., 327, 771-780 (2001)

    The BeppoSAX High Energy Large Area Survey (HELLAS) - II. Number
    counts and X-ray spectral properties.
oTable 2: <HELLAS NNN>, <HELLAS NNN.N>, N=147 among (Nos 6-431).
=E=Catalogue in electronic form as J/MNRAS/327/771
 Originof the Acronym: S = Created by Simbad, the CDS Database