Speckle Interferometry at SOAR in 2016 and 2017
Speckle Interferometry at SOAR in 2016 and 2017
The results of speckle interferometric observations at the 4.1 m SOAR telescope in 2016 and 2017 are given, totaling 2483 measurements of 1570 resolved pairs and 609 non-resolutions. We describe briefly recent changes in the instrument and observing method and quantify the accuracy of the pixel scale and position angle …