Image Details
Caption: Figure 3.
Positional uncertainty as a function of the magnitude and the number of observations in R.A. (left panels) and decl. (right panels) for the TNOs and Centaurs in Tables from 5 to 6. In the upper panels, the number of observations is given as a function of the magnitude. In the lower panels, the exposure times are given as a function of the magnitude. In case of different exposure times for the same object, the longest one was considered. In all of the panels, the positional uncertainty is given in milliarcseconds and are color coded. The dashed line gives the median value (22.9) of the limiting magnitude in the r-band for these observations. In the upper panels, the TNO (437360) 2013 TV158 (see Table 5) is not shown due to its large number of observations (438). In all of the panels, the TNO 2015 RW245 is not shown because its large uncertainty prevented a clear visualization of the color variation.
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