A highly-ionized absorber in the X-ray binary 4U 1323-62: A new explanation for the dipping phenomenon
نویسندگان
چکیده
منابع مشابه
An X - ray study of the dipping low mass X - ray binary XB 1323 − 619
During a BeppoSAX observation of the lowmass X-ray binary dip source XB1323−619 a total of 10 type I X-ray bursts and parts of 12 intensity dips were observed. During non-bursting, non-dipping intervals, the 1.0–150 keV BeppoSAX spectrum can be modelled by a cutoff power-law with a photon index of 1.48± 0.01, a cutoff energy of 44.1 −4.4 keV together with a blackbody with kT of 1.77± 0.25 keV c...
متن کاملSpectral changes during dipping in low-mass X-ray binaries due to highly-ionized absorbers
X-ray observations have revealed that many microquasars and low-mass X-ray binaries (LMXBs) exhibit narrow absorption features identified with resonant absorption from Fexxv and Fexxvi and other abundant ions. In many well studied systems there is evidence for blue-shifts, indicating outflowing plasmas. We succesfully model the changes in both the X-ray continuum and the Fe absorption features ...
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The broad-band X–ray spectrum of the dipping Low Mass X-ray Binary EXO0748–676
We present results of a 0.1-100 keV BeppoSAX observation of the dipping low-mass X-ray binary (LMXRB) EXO0748–676 performed in 2000 November. During the observation EXO0748–676 exhibited X-ray eclipses, type I X-ray bursts and dipping activity over a wide range of orbital phases. The 0.1–100 keV “dip– free”(ie. dipping and eclipsing intervals excluded) spectrum is complex, especially at low-ene...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2005
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361:20041940