%0 Journal Article %T The X-ray emissivity of low-density stellar populations %A Heinke, C, O %A Ivanov, M, G %A Koch, E, W %A Andrews,, R %A Chomiuk,, L %A Cohn, H, N %A Crothers,, S %A de Boer,, T %A Ivanova,, N %A Kong, A K, H %A Leigh, N W, C %A Lugger, P, M %A Nelson,, L %A Parr, C, J %A Rosolowsky, E, W %A Ruiter, A, J %A Sarazin, C, L %A Shaw, A, W %A Sivakoff, G, R %A van den Berg,, M %J Monthly Notices of the Royal Astronomical Society %V 492 %N 4 %@ 0035-8711 %D 2020-03-11 %I The Royal Astronomical Society %~ DeepDyve