Photometry: M81-FIELD-13

Color-Magnitude Diagrams

After Quality Cuts
Color-magnitude diagrams	Completeness diagrams
Before Quality Cuts
Color-magnitude diagrams	Completeness diagrams

Plot Descriptions

The plots summarize the photometry for target M81-FIELD-13.   Before quality cuts shows photometry for all objects classified as stars.  After quality cuts shows photometry for all stars that met our sharpness and crowding criteria, outlined in Dalcanton et al. (2009).

The color-magnitude diagrams show data points for the color and magnitude of each star.  Some areas of the plot become saturated with data points.  In these areas, we have used contours to show the density of data points.  Errors as a function of magnitude are shown on the left side of the diagram.  The direction of the reddening vector and the full target name are given in the lower-right corner of each plot.

The completeness diagrams show a grayscale representation of the completeness as a function of color and magnitude, where darker gray represents higher completeness.  If an area of the plot contained no artificial star tests, it will appear as gray, with a completeness of 0.50.  Green asterisks mark the magnitude of 50% completeness as a function of color.