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Title:
Low frequency flickering of TT Arietis: hard and soft X-ray emission region.
Authors:
Baykal, Altan; Kiziloğlu, Ümit
Affiliation:
AA(Physics Department, Middle East Technical University; Laboratory for High Energy Astrophysics, NASA/GSFC Greenbelt), AB(Physics Department, Middle East Technical University)
Publication:
Astrophysics and Space Science, Volume 246, Issue 1, pp.29-38 (Ap&SS Homepage)
Publication Date:
03/1996
Origin:
ADS; SPRINGER
Keywords:
binaries: close, stars: individual (TT Arietis), stars: cataclysmic variables, X-rays: stars
DOI:
10.1007/BF00637397
Bibliographic Code:
1996Ap&SS.246...29B

Abstract

Using archival ASCA observations of TT Arietis, X-ray energy spectra and power spectra of the intensity time series are presented for the first time. The energy spectra are well-fitted by a two continuum plasma emission model with temperatures ˜1 keV and ˜10 keV. A coherent feature at ˜0.643 mHz appeared in the power spectra during the observation.

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