Dictionary of Nomenclature of Celestial Objects
(Last update: 22-May-2020)

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

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