Data Set Overview:This data set contains derived data combining calibrated mass spectrareferred to FSS Mission Phase.Data:Both data, scientific and housekeeping, are collected in this dataset. They referred to CODMAC Level 5.The level 5 data product contains ion counts for mass spectra ateach observation site and ion counts for each of the main compoundsobtained from Ptolemy sniff operations made during the Philaefirst-science sequence.Processing:Only CODMAC Level 5 data are present in this data set.Mass spectra with the same mass range (using the same scan function)are summed to produce a single mass spectrum with calibrated mass range.In addition integer masses are assigned for the channel closest to theinteger mass.Ion counts were determined for each mass by using a rolling sum (n : 11for WGA 3, n : 7 for WGA 4) of the ion counts centered on the assignedmass (using the data set above). A single combined spectrum was producedfor each observation by summing WGA3 and WGA4, with values extrapolatedfor the missing ranges using the ratio of total ion counts in theoverlapping range.Coordinate System:The geometry items SC_SUN_POSITION_VECTOR, SC_TARGET_POSITION_VECTORand SC_TARGET_VELOCITY_VECTOR provided in the label of the dataproduct are relative to the Earth Mean Equator and Equinox referenceframe of J2000.SUB_SPACECRAFT_LATITUDE, SUB_SPACECRAFT_LONGITUDE are given in thePLANETOCENTRIC coordinate system. These parameters are computed attime t:START_TIME. Distances are given in km, angles in degrees.

Data confidence is nominal, meaning that all data have been validated by the scientific team and found as expected. Any exceptions are noted by the DATA_QUALITY_ID. Moreover the data set underwent a successful external review