Dictionary of Nomenclature of Celestial Objects
(Last update: 21-Jun-2024)

Result of query: info cati 2S$

Details on Acronym:   2S
   2S (SAS-3 satellite, list 2) Write:<<2S HHMM+DD>>
<<2S HHMM+DDd>> Object:(X)  (SIMBAD class: X = X-ray Source) Ref:=1977Natur.269...21B byBRADT H.V. , APPARAO K.M.V., CLARK G.W., DOWER R., DOXSEY R., HEARN D.R., JERNIGAN J., JOSS P.C., MAYER W., McCLINTOCK J., WALTER F. Nature, 269, 21-25 (1977) On the optical identifications of five X-ray sources.