Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

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.
 Astron. Astrophys., 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