Dictionary of Nomenclature of Celestial Objects
(Last update: 16-Jan-2018)

Result of query: info cati DGT2001]$

Details on Acronym:   [DGT2001]
   [DGT2001] (Donato+Ghisellini+Tagliaferri+, 2001) Write:<<[DGT2001] BHHMM+DDd>>
<<[DGT2001] BHHMM+DDMM>>
<<[DGT2001] JHHMM+DDd>>
<<[DGT2001] JHHMM+DDMM>> N: 268 Object:Blazar  (SIMBAD class: Blazar) Stat:is completely incorporated in Simbad Note:N=268 blazars detected in the X-ray band from the data of the 5 satellites Einstein, EXOSAT, ROSAT, ASCA, and BeppoSAX.
The authors used a format without B (1950 coordinates) or J (2000 coordinates), and there are N=60 objects with 2000 coordinates 'JHHMM+DDd' or 'JHHMM+DDMM' in SIMBAD, and N=208 objects with 1950 coordinates 'BHHMM+DDd' or 'BHHMM+DDMM' in SIMBAD. Ref:=2001A&A...375..739D byDONATO D. , GHISELLINI G., TAGLIAFERRI G., FOSSATI G. Astronomy and Astrophysics, volume 375, 739-751 (2001) Hard X-ray properties of blazars. oTable 5: Authors used a designation 'HHMM+DDd' or 'HHMM+DDMM' without specification which ones are B (1950 coordinates) and which ones are J (2000 coordinates). In SIMBAD and in the CDS catalogue, this is specified. oTable 5: <[DGT2001] BHHMM+DDd> or <[DGT2001] BHHMM+DDMM> N=208, <[DGT2001] JHHMM+DDd> or <[DGT2001] JHHMM+DDMM> N=60. =E=Catalogue in electronic form as J/A+A/375/739 Originof the Acronym: S = Created by Simbad, the CDS Database