https://cxc.cfa.harvard.edu/mta/MSID_Trends/Pitch/Obaheaters/oobthr37/oobthr37_long_pitch.html
OOBTHR37 vs Pitch
vspitch
https://cxc.cfa.harvard.edu/mta/MSID_Trends/Obaheaters/Oobthr37/oobthr37_mid_long_sun_angle.html
OOBTHR37 vs Sun Angle
vssunangle