General conventions between the codes:
======================================
For details, see Chapter 6 (starting on page 221) at https://www.proquest.com/docview/2866322369

Time
----
BAGLE requires times to be in MJD.
MulensModel and pyLIMA required times to be in (H?)JD.
MJD and JD differ by a factor of 2400000.5.

Coordinate conventions
----------------------
BAGLE works in E-N convention.
MulensModel and pyLIMA work in the tau-beta convention.

Relative proper motion
----------------------
BAGLE defined the relative proper motion as source-lens.
MulensModel and pyLIMA defined relative proper motion as lens-source.

Angles
------
FILL IN LATER


Frame Conversions (bagle.frame_convert)
=======================================

.. automodule:: bagle.frame_convert
     :memebers: