SPHEREx: An All-Sky Spectral Survey

SPHEREx Data Explorer

Documentation

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:	Dore et al. (2014) Korngut et al. (2018) Crill et al. (2020) 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

IRSA Services - SPHEREx Releases

SPHEREx Quick Release	Access QR1 and QR2 data
SPHEREx Target List of Ice Sources (SPLICES)	Access SPLICES catalog

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