SPECTRAL STATES OF XTE J1701 – 462: LINK BETWEEN Z AND ATOLL SOURCES
نویسندگان
چکیده
منابع مشابه
Spectral States of Xte J1701 – 462: Link between Z and Atoll Sources
We have analyzed 866 Rossi X-ray Timing Explorer observations of the 2006–2007 outburst of the accreting neutron star XTE J1701−462, during which the source evolves from super-Eddington luminosities to quiescence. The X-ray color evolution first resembles the Cyg X-2 subgroup of Z sources, with frequent excursions on the horizontal and normal branches (HB/NB). The source then decays and evolves...
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We report on the first ten weeks of Rossi X-ray Timing Explorer observations of the X-ray transient XTE J1701–462. Large count rate variations were accompanied by changes in the source’s spectral and variability properties. Based on comparisons with other sources we conclude that XTE J1701–462 had all the characteristics of the neutron star Z sources, i.e., the class of the brightest persistent...
متن کاملType I X-ray Bursts from the Neutron-star Transient Xte J1701-462
The neutron-star X-ray transient XTE J1701-462 was observed for ∼3 Ms with RXTE during its 2006-2007 outburst. Here we report on the discovery of three type-I X-ray bursts from XTE J1701462. They occurred as the source was in transition from the typical Z-source behavior to the typical atoll-source behavior, at ∼ 10% of the Eddington luminosity. The first burst was detected in the Z-source flar...
متن کاملCorrelation between fast quasi-periodic oscillations and X-ray spectral shape in atoll sources
We present correlations between the frequency of the fast quasi-periodic oscillations (QPOs) and the shape of the X-ray spectrum in the atoll sources 4U 1608252 and 4U 06141091. We find that the photon index of a power-law component of the energy spectrum is well correlated with the QPO frequency in both sources. The correlation between the photon index and the QPO frequency most likely represe...
متن کاملThe variable radio counterpart and possible large - scale jet of the new Z - source XTE J 1701 - 462
We report radio observations, made with the Australia Telescope Compact Array, of the X-ray transient XTE J1701-462. This system has been classified as a new 'Z' source, displaying characteristic patterns of behaviour probably associated with accretion onto a low magnetic field neutron star at close to the Eddington limit. The radio counterpart is highly variable, and was detected in six of six...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2009
ISSN: 0004-637X,1538-4357
DOI: 10.1088/0004-637x/696/2/1257