The Nature of Microvariability in Blazar 0716+71

Details The Nature of Microvariability in Blazar 0716+71 The Nature of Microvariability in Blazar 0716+71

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010jsara...4....7d&link_type=abstract

Journal of the Southeastern Association for Research in Astronomy, vol. 4, p. 7-11

Astronomy and Astrophysics

Astronomy

Galaxies: Bl Lacertae, Objects: General

Scientific paper

We analyze twenty-one microvariability observations of Blazar 0716+71 in order to determine the nature of the microvariations. We use the relationship between the excess RMS and time to test whether the data represents a stationary time series and we examine the distribution of fluxes to determine whether the micro variations present in the light curves are consistent with noise processes. We found that although there are characteristics of correlated noise processes with a power density fluctuation spectrum of 1/f in the data, we show that we do not have an adequate number of observations to verify that all of the variations we see can be attributed to a Gaussian noise process and therefore rule out any deterministic signals in the data.

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