Proposal Data
=============

Cumulative Investigators and Students
-------------------------------------

This plot shows the cumulative number of unique investigators who have been awarded Chandra time.

.. image:: 
    images/investigators.png

This plot shows the cumulative number of students, postdocs, and Ph.D. theses enabled by Chandra science.

.. image::
    images/students.png

This plot shows the number of students and postdocs enabled by Chandra science per year.

.. image::
    images/students_bar.png

Oversubscription Rate of Proposals
----------------------------------

The plot shows requested exposure time from observing proposals and accepted time. The oversubscription rate is roughly a factor of 4. 

.. image::
    images/requested_and_approved_time.png