PISCES (instrument)

PISCES (instrument)
Name	PISCES
Type	Imaging spectrometer

PISCES (instrument) PISCES is an imaging spectrometer instrument developed for remote sensing and laboratory spectroscopy, used in planetary science, atmospheric studies, and materials analysis. It has been employed in missions and campaigns involving instrument teams, space agencies, and research institutions, contributing to datasets used by investigators across observatories, universities, and national laboratories.

Introduction

PISCES was conceived by collaboration among instrument teams at institutions such as Jet Propulsion Laboratory, NASA, European Space Agency, California Institute of Technology, Massachusetts Institute of Technology, and Smithsonian Institution to address needs identified during studies at Lunar and Planetary Laboratory, Johnson Space Center, Jet Propulsion Laboratory, and by science panels associated with Planetary Science Division and advisory groups like Decadal Survey. Early development drew on heritage from instruments including CRISM, VIR, OMEGA (instrument), and laboratory spectrometers at Lawrence Berkeley National Laboratory, Los Alamos National Laboratory, and Argonne National Laboratory. Teams engaged personnel from Jet Propulsion Laboratory and European Space Operations Centre for integration and testing, with oversight from program offices at Goddard Space Flight Center and mission managers from Mars Reconnaissance Orbiter, Rosetta (spacecraft), and other flagship missions.

Design and Specifications

PISCES integrates optical subsystems inspired by designs from Hubble Space Telescope instruments and engineering lessons from Spitzer Space Telescope, Kepler (spacecraft), and James Webb Space Telescope testbeds. The payload architecture combines a diffraction grating, focal plane arrays similar to those used in Landsat and MODIS instruments, and cryogenic cooling strategies evaluated against Herschel Space Observatory and Planck (spacecraft) experience. Mechanical structure and vibration qualifications referenced standards from European Space Agency and NASA Goddard, with materials and fabrication techniques paralleling those used by Ball Aerospace and Lockheed Martin Space Systems. Detectors are often sourced from suppliers associated with Teledyne Technologies and use readout electronics influenced by developments at University of Arizona and Caltech Optical Observatories. PISCES specifications include spectral ranges, resolution, signal-to-noise goals, and field-of-view constraints that were benchmarked against MRO CRISM, Dawn (spacecraft), and airborne platforms like SOFIA and ER-2 campaigns.

Scientific Objectives and Applications

PISCES supports objectives articulated in decadal and mission science plans produced by National Research Council, NASA Planetary Science Division, and panels convened by American Astronomical Society. Applications include compositional mapping of surfaces explored by missions such as Mars Reconnaissance Orbiter, Dawn (spacecraft), and OSIRIS-REx (spacecraft); atmospheric profiling relevant to studies led by NOAA, European Centre for Medium-Range Weather Forecasts, and research groups at Scripps Institution of Oceanography and Massachusetts Institute of Technology. PISCES data have been applied to investigations of mineralogy tied to findings from Curiosity (rover), Perseverance (rover), and samples curated by teams at Smithsonian Institution and Natural History Museum, London. In laboratory settings, PISCES aids spectroscopy efforts related to materials research at Lawrence Livermore National Laboratory, Brookhaven National Laboratory, and academic groups at Harvard University and Princeton University. Cross-disciplinary uses include collaborations with planetary geologists from Arizona State University, astrobiologists at SETI Institute, and chemists at California Institute of Technology.

Operational History and Deployments

PISCES units have been deployed on airborne platforms operated by NASA Armstrong Flight Research Center and international facilities coordinated with European Space Agency partners, as well as in ground-based campaigns at observatories like Palomar Observatory, Mauna Kea Observatories, and Kitt Peak National Observatory. Mission-like demonstrations partnered with projects such as Mars 2020, Hayabusa2, and instrument suites on ExoMars precursor campaigns. Operational milestones include environmental testing at Ames Research Center facilities, thermal vacuum cycles at Johnson Space Center, and integration reviews with teams from Jet Propulsion Laboratory, Lockheed Martin, and Northrop Grumman. Deployment logistics often involved cooperation with project offices at NASA Headquarters and national agencies including Canadian Space Agency and Japan Aerospace Exploration Agency.

Data Processing and Calibration

Data pipelines for PISCES adopt methodologies used by data systems at Planetary Data System, European Space Agency, and archives operated by NASA, leveraging algorithms developed by research groups at Cornell University, Arizona State University, and Brown University. Calibration strategies include radiometric and spectral calibration traceable to standards at National Institute of Standards and Technology and laboratory facilities at Jet Propulsion Laboratory and California Institute of Technology. Processing stages incorporate software frameworks influenced by ISIS (software), mission toolkits like those for MRO, and community packages from Astropy and groups at University of California, Berkeley. Validation efforts cross-compare outputs with datasets from Landsat, Sentinel (satellite constellation), and airborne hyperspectral systems used by US Geological Survey teams.

Performance and Results

Performance assessments published by instrument teams and science collaborators at venues such as American Geophysical Union meetings and European Planetary Science Congress showed PISCES meeting design goals for signal-to-noise and spectral fidelity in many operational modes. Scientific results attributed to PISCES data include compositional maps supporting hypotheses debated in papers from Nature (journal), Science (journal), and specialist journals like Icarus (journal) and Journal of Geophysical Research. Findings influenced target selection for missions like OSIRIS-REx (spacecraft) and Mars Sample Return planning and informed follow-up studies at institutions including Smithsonian Institution and Natural History Museum, London.

Category:Spectrometers