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

Result of query: info cati SwXF4$

Details on Acronym:   SwXF4
  
SwXF4 (SwXF4)
Write:<<SwXF4 JHHMMSS.s+DDMMSS>>
N: 174+31
Object:(X)  (SIMBAD class: X = X-ray Source)
Note:Swift XRT and UVOT observations of N=174+31 X-ray sources in the field of 205 4FGL sources.
Use of archival Swift data and of 4FGL data.
See also SwF3.
Ref:=2021ApJ...923...75K
byKERBY S. , KAUR A., FALCONE A.D., ESKENASY R., HANCOCK F., STROH M.C., FERRARA E.C., RAY P.S., KENNEA J.A., GROVE E.
 Astrophys. J., 923, 75-75 (2021)
  Multiwavelength spectral analysis and neural network classification of counterparts to 4FGL unassociated sources.
oTables 3-4: <SwXF4 JHHMMSS.s+DDMMSS> N=174+31.
=E=Catalogue in electronic form as <J/ApJ/923/75/>
Originof the Acronym: A = Assigned by the author(s)