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Title:
Discovery of kilohertz QPOs in XTE J1701-407
Authors:
Strohmayer, T. E.; Markwardt, C. B.; Swank, J. H.
Publication:
The Astronomer's Telegram, #1635
Publication Date:
07/2008
Origin:
ATEL
Keywords:
X-ray, Request for Observations, Binaries, Neutron Stars, Transients
Bibliographic Code:
2008ATel.1635....1S

Abstract

We report the discovery with the RXTE PCA of kilohertz quasiperiodic oscillations (kHz QPOs) in the X-ray flux from the recently discovered neutron star transient XTE J1701-407 (Atel 1569, 1616, 1618, 1621,1630). Power spectral analysis of RXTE PCA Observations obtained on 2008-06-16 at 05:53 UTC, show a strong 30 Hz QPO as well as a high frequency kHz QPO centered at 1150 +- 7 Hz. These QPO frequencies are characteristic of the "atoll" class of accreting neutron stars.
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Database: Astronomy
Physics
arXiv e-prints