ef (OU) add figure caption  about 10 years ago

Commit id: d778c942318d881741ce8b9b2aa90c5e1632d63f

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Replace this text Distribution of stellar surface-mass density at the solar radius as a function of vertical scale height hz. The thick black histogram shows the total stellar surface-mass density in bins in hz, calculated by summing the total stellar masses of sub-populations in bins in [α/Fe] and [Fe/H]. The stellar surface-mass densities of the individual elemental-abundance bins in [Fe/H] and [α/Fe] are shown as dots,  with your caption values for on the y-axis. The points are color-coded by the value of [α/Fe] in each bin and the size of the points is proportional to the square root of the number of data points that the density fits are based on. Some of the error bars are smaller than the points. Elemental abundance bins have a width of 0.1 in [Fe/H] and 0.05 in [α/Fe].