Dictionary of Nomenclature of Celestial Objects
(Last update: 17-Mar-2023)

Result of query: info cati 2U$

Details on Acronym:   2U
  
2U     (Uhuru satellite)
 Write:<<2U  HHMM+DD>>
 N:  125
Object:(X)  (SIMBAD class: X = X-ray Source)
  Note:All sky, Superseded by 4U
   Ref:=1972ApJ...178..281G
     byGIACCONI R.
, MURRAY S., GURSKY H., KELLOGG E., SCHREIER E., TANANBAUM H.
 Astrophys. J., 178, 281-308 (1972)

    The UHURU catalog of X-ray souces.

oin table 2 ABELL 1958ApJS....3..211A instead of ApJS.31, DOWNES    1971AJ. ....76..305D instead of ApJ.76.
oTable 1: <2U HHMM+DD> N=125