Sentences with phrase «nature of false positives»

We evaluate the rates and nature of false positives in the CoRoT exoplanets search and compare our results with semiempirical predictions.

Not exact matches

Results from these tests provide also in many cases insights into the nature of the sources of the false positives, which are generally produced by one of several kinds of configurations involving eclipsing binaries (EB).

Because of these false positives, a sequence of tests - as originally outlined by Alonso et al. (2004)- is employed, beginning with detailed revisions of the detection light - curves, and continuing for surviving candidates with follow - up observations, to either reject them from the list of planetary candidates or to verify their planetary nature.

Giant transiting exoplanets are easily mimicked by false positives, so spectroscopic follow - up observations are needed to establish the planetary nature of the transit detections, and easily reveal blended multiple stellar systems.

«Furthermore, contrary to the blatantly false contention of the United States Environmental Protection Agency and others, CO2 is not a pollutant; it is a pollution fighter that reduces the negative effects of true pollutants, such as ozone, and replaces them with positive effects that are of great worth to man and nature alike.»