PSR J2215+5135: An IBS Probe of Mass and Evolution

PSR J2215+5135 appears to be one of the heaviest neutron stars known. Howeverthe precise mass depends on the modeldependent measurement ofthe orbital inclination. Our project constrains this value in two ways, bymeasuring the structure of the orbital Xray light curve peaks caused byrelativisticparticles in the intrabinary shock and by obtaining a clear ultraviolet lightcurve of the pulsar.s heated companion. The measurements also probe theshock geometry, flaring activity and particle acceleration and test whether thepulsar can complete evaporate of its companion before it spins down. truncated!, Please see actual data for full text [truncated!, Please see actual data for full text]