urn:nasa:pds:clps_to_2ab_nss:data_science_raw:nss_sci_raw_20240114_205151 1.0 1.19.0.0 Product_Observational 2024-07-19 1.0 First release of TO-2AB NSS data. 2024-01-14T20:51:50.521Z 2024-01-14T22:53:27.492Z CLPS Task Order 2AB Mission urn:nasa:pds:context:investigation:mission.clps_to_2ab data_to_investigation Peregrine Lunar Lander Host Astrobotic Peregrine Lunar Lander (TO2-AB) urn:nasa:pds:context:instrument_host:spacecraft.clps_to_2ab_pll is_instrument_host CLPS Task Order 2AB Neutron Spectrometer System (NSS) Instrument Neutron Spectrometer System (NSS) on TO2-AB lander urn:nasa:pds:context:instrument:clps_to_2ab_pll.nss is_instrument Moon Satellite urn:nasa:pds:context:target:satellite.earth.moon data_to_target TO_2AB Astrobotic Peregrine Mission 1 Peregrine Lunar Lander Paul Niles 0001 CRUISE AND APPROACH Applied Physics Laboratory data_science_raw processing_information_to_data_object ASTROBOTIC_NSS_RAW_PIPELINE Version 1.0 urn:nasa:pds:clps_to_2ab_nss:document:clps_to_2ab_nss_ug data_to_document CLPS TO_2AB NSS User Guide document which describes the data products in this collection. urn:nasa:pds:clps_to_2ab_nss:data_science_cal:hv_table::1.0 data_to_calibration_product High-Voltage (HV) lookup table used in NSS calibration pipeline. urn:nasa:pds:clps_to_2ab_nss:data_science_cal:thermistor_table::1.0 data_to_calibration_product Thermistor lookup table used in NSS calibration pipeline. nss_sci_raw_20240114_205151.csv File containing raw NSS Science data with ASCII header

0 1158 7-Bit ASCII Text Column headings

data_science_raw 1158 PDS DSV 1 Raw Science Data from NSS aboard Astrobotic Peregrine Mission-1 Lander 7298 Carriage-Return Line-Feed Comma 10 2 datetime 1 ASCII_Date_Time_YMD UTC Date time when record was collected, YYYY-MM-DDTHH:mm:ss.fffZ format, example : 2024-01-08T14:02:31.595Z Det1_PHA_channels 1 32 1 0 Number of events recorded per spectral channel. Note: this field is repeated 32 times, one for each of 32 channels corresponding to deposited energy in Detector 1. “chXX” refers to each channel, starting from 0. Det1_PHA_channels ASCII_Integer counts/bin Det2_PHA_channels 2 32 1 0 Number of events recorded per spectral channel. Note: this field is repeated 32 times, one for each of 32 channels corresponding to deposited energy in Detector 2. “chXX” refers to each channel, starting from 0. Det2_PHA_channels ASCII_Integer counts/bin Det1_ScalarCounts 2 ASCII_Integer Number of events crossing a commanded threshold discriminator level. Det2_ScalarCounts 3 ASCII_Integer Number of events crossing a commanded threshold discriminator level. Det1_Threshold_Index 4 ASCII_Integer Discriminator threshold for Detector 1 events. Extracted bits 2 – 0 from byte 72. Values are transformed to keV in calibrated processing. Det2_Threshold_Index 5 ASCII_Integer Discriminator threshold for Detector 1 events. Extracted bits 2 – 0 from byte 72. Values are transformed to keV in calibrated processing. High_Voltage_Setting_line_number 6 ASCII_Integer Line number in the NSS high-voltage parameter lookup table, hv_table.csv, of the commanded HV setting. High_Voltage_value_line_number 7 ASCII_Integer Line number in the NSS high-voltage parameter lookup table, hv_table.csv, of the actual HV value. Sensor_Module_Board_Temperature_line_number 8 ASCII_Integer Line number in the NSS thermistor lookup table, thermistor_table.csv. The index starts at 0, hence a value of 0 corresponds to the first line in the lookup table, a value of 1 corresponds to the second line in the lookup table, etc. Data_Processing_Module_Board_Temperature_line_number 9 ASCII_Integer Line number in the NSS thermistor lookup table, thermistor_table.csv. The index starts at 0, hence a value of 0 corresponds to the first line in the lookup table, a value of 1 corresponds to the second line in the lookup table, etc. quality_flag 10 ASCII_String Number indicating any off-nominal conditions during the measurement. If present, multiple values will be encoded as a comma-separated list. Possible values are: 0: Sensor module powered off 1: Nominal operations 2: Watchdog reset toggle at 1 3: Off nominal SM temperature (outside of AFT) 4: Off nominal DPM temperature (outside of AFT) 5: Off nominal high voltage (+/- 20 V) 6: Off nominal component voltage (+/- 1 V) 7: Solar particle event 8: Missing data packets 9: Commanded parameter change causes high voltage change Any data with a value other than 1 should be treated with caution when used for scientific interpretation.