Analyzing X-ray variability by Linear State Space Models

Details Analyzing X-ray variability by Linear State Space Models Analyzing X-ray variability by Linear State Space Models

1996-12-29

arxiv.org/abs/astro-ph/9612238v1

Astronomy and Astrophysics

Astrophysics

8 pages, Latex, 4 PostScript figures, to be published in Astron. and Astrophys. Suppl

Scientific paper

10.1051/aas:1997104

In recent years, autoregressive models have had a profound impact on the description of astronomical time series as the observation of a stochastic process. These methods have advantages compared with common Fourier techniques concerning their inherent stationarity and physical background. However, if autoregressive models are used, it has to be taken into account that real data always contain observational noise often obscuring the intrinsic time series of the object. We apply the technique of a Linear State Space Model which explicitly models the noise of astronomical data and allows to estimate the hidden autoregressive process. As an example, we have analysed the X-ray flux variability of the Active Galaxy NGC 5506 observed with EXOSAT.

Affiliated with

Also associated with

No associations

Rating

Analyzing X-ray variability by Linear State Space Models 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 Analyzing X-ray variability by Linear State Space Models, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Analyzing X-ray variability by Linear State Space Models will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-608709