These data give information on applications for time slots on the European Space Agency's X-ray Multi-Mirror space telescope.
xmm
A data frame with columns:
The proposal category, which describes what sort of
object will be viewed (a label from A
to G
).
The assessed priority of the proposal (a label from
A
to C
).
Whether the proposal dictates a specific time (fixed
)
or can be conducted at any time (free
).
The proposed total observation time, in seconds.
Whether the proposal is for a single
observation
or for multiple
observations.
The data were obtained from the XMM web site http://xmm.esac.esa.int/.