Dictionary of Nomenclature of Celestial Objects
(Last update: 31-May-2024)

Result of query: info cati B3$

Details on Acronym:   B3
   B3 (3rd Bologna survey)= (B3.1) Write:<<B3 HHMM+DDdA>> N: 13354 Object:(Rad)  (SIMBAD class: Radio = Radio Source) Note:1st section of a new sky survey with the 'Northern Cross' Radiotelescope in its present version.
A catalogue of 13354 radio-sources, complete to 0.1 Jy in an area of 0.78 steradian included between +37deg 15' and +47deg 37' Declination
Accurate positions for 1103 sources and optical identif. for 354 sources in Vigotti 1989AJ.....98..419V Ref:=1985A&AS...59..255F byFICARRA A. , GRUEFF G., TOMASSETTI G. Astron. Astrophys., Suppl. Ser., 59, 255-347 (1985) A new Bologna sky survey at 408 MHz. o<B3 HHMM+DDdA>, N=13354 =E=Catalogue in electronic form as VIII/37 Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   B3.1
   B3.1 (3rd Bologna survey, part 1) ***** Avoid the usage of B3.1, prefer B3 Originof the Acronym: A = Assigned by the author(s)