Rapid X‐Ray Variability of the BL Lacertae Object PKS 2155−304 | Zendy

Y. H. Zhang | Zendy; A. Celotti | Zendy; A. Treves | Zendy; L. Chiappetti | Zendy; G. Ghisellini | Zendy; L. Maraschi | Zendy; E. Pian | Zendy; G. Tagliaferri | Zendy; F. Tavecchio | Zendy; C. M. Urry | Zendy

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Rapid X‐Ray Variability of the BL Lacertae Object PKS 2155−304

Author(s) -

Y. H. Zhang,

A. Celotti,

A. Treves,

L. Chiappetti,

G. Ghisellini,

L. Maraschi,

E. Pian,

G. Tagliaferri,

F. Tavecchio,

C. M. Urry

Publication year - 1999

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/308116

Subject(s) - light curve , amplitude , physics , astrophysics , spectral density , bl lac object , spectral line , lag , phase (matter) , power law , noise (video) , gamma ray , optics , blazar , astronomy , statistics , computer network , mathematics , quantum mechanics , computer science , artificial intelligence , image (mathematics)

(Abridged) We present a detailed power density spectrum and cross-correlationanalysis of the X-ray light curves of the BL Lac object PKS 2155-304, observedwith BeppoSAX in 1997 and 1996, aimed at exploring the rapid variabilityproperties and the inter-band cross correlations in the X-rays. We also performthe same analysis on the (archival) X-ray light curve obtained with ASCA in1994.Comment: 47 pages, 11 figures, AAS Latex macros V4.0, accepted for publication in the Astrophysical Journa

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