Statistics
Scientific paper
Jan 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95..247h&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 95, Jan. 1988, p. 247-256.
Statistics
67
Astronomical Photometry, Error Analysis, Quasars, Statistical Analysis, Variable Stars, Charge Coupled Devices, Light Curve, Random Noise, Stellar Magnitude
Scientific paper
Differential photometric time series obtained from CCD frames are tested for intrinsic variability using a newly developed analysis of variance technique. In general, the objects used for differential photometry will not all be of equal magnitude, so the techniques derived here explicitly correct for differences in the measured variances due to photon statistics. Other random-noise terms are also considered. The technique tests for the presence of intrinsic variability without regard to its random or periodic nature. It is then applied to observations of the variable stars ZZ Ceti and US 943 and the active extragalactic objects OQ 530, US 211, US 844, LB 9743, and OJ 287.
Howell Steve B.
Mitchell Kenneth J.
Warnock Archibald III
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