SPHEREx: An All-Sky Spectral Survey
Mission Characteristics
| Lifetime: | 2025 - 2027 (planned) |
| Wavelength: | 0.75-1.1 microns, R=39 1.1-1.6 microns, R=41 1.6-2.4 microns, R=41 2.4-3.8 microns, R=35 3.8-4.4 microns, R=112 4.4-5.1 microns, R=128 |
| Area Coverage (planned): | 100% of sky |
| Instruments: | Wide Field Linear Variable Filter (LVF) Imaging Spectrograph |
| Funding Agency: | NASA |
| Contributing Institutions: | JPL, Caltech, RIT, Harvard/CFA, Arizona State, University of Arizona, Ohio State University, KASI, UC Irvine, Johns Hopkins, ASIAA |
| Canonical Papers: |
Bock et al (2025), The SPHEREx Satellite Mission Akeson et al (2025), The SPHEREx Imaging and Spectrophotometry Processing Pipeline Crill et al. (2020) Korngut et al. (2018) Dore et al. (2014) Please include the following acknowledgement in any published material that makes use of SPHEREx data products: "This publication makes use of data products from the Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx), which is a joint project of the Jet Propulsion Laboratory and the California Institute of Technology, and is funded by the National Aeronautics and Space Administration." |
| SPHEREx Releases: | July 2025: First Quick Release Products available at IRSA October 2025: First reprocessed Quick Release Products (QR2) available at IRSA |
IRSA Services - SPHEREx Releases
| SPHEREx Quick Release | Access QR1 and QR2 data |
|---|---|
| SPHEREx Target List of Ice Sources (SPLICES) | Access SPLICES catalog |
| Cloud Data Access | Access SPHEREx data available on AWS S3 cloud storage. |
SPHEREx Science Tools
| Spectrophotometry Tool | Extract spectra from SPHEREx Spectral Images using forced photometry |
|---|---|
| Cutout Tool | Extract spatial subsets from SPHEREx Spectral Image Multi-Extension FITS files. |
IRSA Documentation - SPHEREx Releases
| Documentation | SPHEREx Explanatory Supplement |
|---|---|
| SPHEREx Archive User Guide | SPHEREx Archive User Guide |
| Program Interfaces | Information on program-friendly data services |
Other Resources
| SPHEREx website | SPHEREx Home Page |
|---|---|
| Python Notebooks: Introduction | Introduction to SPHEREx Spectral Images |
| Python Notebooks: Cutouts | SPHEREx Spectral Image Cutouts |
| Python Notebooks: PSF | SPHEREx PSF in Spectral Image Cutouts |