By Lisa White
Synopsis from Amazon:
In those 50 gentle and enjoyable unique essays, the largest names in birding dispense recommendation to birders of each point, on subject matters starting from feeding birds and cleansing binoculars to pishing and pelagic birding. no matter if satirizing poultry snobs or concerning the traditions and taboos of the birding tradition, each one essay is as chock-full of important details because it is entertaining.
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Extra info for Good Birders Don't Wear White: 50 Tips From North America's Top Birders
Figure 1 presents the spectrum in Stokes Q and U, and figure 2 presents the polarization percentage spectrum. Several things are clear from these figures. First, there is no immediately obvious broad line in the Stokes spectra. Second, there is a substantial dilution at the position of the narrow lines in the blue, but probably less in the red. Third, there is a decrease in the polarization level from blue to red. 3. Discussion and conclusions Suppose Cygnus A contained a quasar nucleus, and suppose further that the continuum polarization observed by Tadhunter et al.
1992), and it is becoming feasible to search for scattered broad lines in the fainter, higher redshift radio galaxies with the new generation of sensitive spectropolarimeters. If scattered broad lines are detected in a significant fraction of the highly polarized radio galaxies, then this will provide strong evidence for the RGQ scheme. On the other hand, the failure to detect the scattered broad lines is not definitive evidence against the unified schemes: it could just mean that the scattering is by hot electrons which doppler broaden the broad lines and reduce their chances of detection.
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