The quasi-periodic oscillations and very low frequency noise of Scorpius X-1 as transient chaos - A dripping handrail?

Details The quasi-periodic oscillations and very low frequency noise of Scorpius X-1 as transient chaos - A dripping handrail? The quasi-periodic oscillations and very low frequency noise of Scorpius X-1 as transient chaos - A dripping handrail?

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...411l..91s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 411, no. 2, p. L91-L94.

Astronomy and Astrophysics

Astrophysics

40

Accretion Disks, Chaos, Stellar Oscillations, X Ray Stars, Low Frequencies, Periodic Variations, Transient Response

Scientific paper

We present evidence that the quasi-periodic oscillations (QPO) and very low frequency noise (VLFN) characteristic of many accretion sources are different aspects of the same physical process. We analyzed a long, high time resolution EXOSAT observation of the low-mass X-ray binary (LMXB) Sco X-1. The X-ray luminosity varies stochastically on time scales from milliseconds to hours. The nature of this variability - as quantified with both power spectrum analysis and a new wavelet technique, the scalegram - agrees well with the dripping handrail accretion model, a simple dynamical system which exhibits transient chaos. In this model both the QPO and VLFN are produced by radiation from blobs with a wide size distribution, resulting from accretion and subsequent diffusion of hot gas, the density of which is limited by an unspecified instability to lie below a threshold.

Affiliated with

Also associated with

No associations

Rating

The quasi-periodic oscillations and very low frequency noise of Scorpius X-1 as transient chaos - A dripping handrail? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The quasi-periodic oscillations and very low frequency noise of Scorpius X-1 as transient chaos - A dripping handrail?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The quasi-periodic oscillations and very low frequency noise of Scorpius X-1 as transient chaos - A dripping handrail? will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1069602