Euclid: An ESA Mission With NASA Participation

Studying the Geometry and Nature of the Dark Universe

Euclid and ENSCI

Euclid is a European Space Agency (ESA) space mission with NASA participation, to study the geometry and nature of the dark Universe. Euclid will carry out a six-year survey of a third of the sky in the optical and near-infrared. It will measure galaxies out to distances corresponding to a look-back time of ~10 billion years. Euclid was launched on July 1, 2023. Well-characterized and validated Euclid data will be publicly released within about 2 years of acquisition.

Euclid NASA Science Center at IPAC (ENSCI) has been established by NASA, in order to support US-based investigations using Euclid data. ENSCI is part of the Euclid Consortium’s Science Ground Segment, providing algorithm and software development, participating in data quality assurance, and performing data processing. In addition, ENSCI supports the US research community by providing expert insight into the Euclid surveys, data processes, calibration, and products.

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Latest News

ENSCI User Panel 2024 report released

October 24th, 2024

ENSCI User Panel has released its 2024 report, with evaluation of ENSCI performance, and recommendations for future planning.

How to access the new cosmic map by Euclid

October 17th, 2024

ESA released a spectacular cosmic map of 132 square degree observed by Euclid. Here is how you can download the highest resolution image.

Snippet of Euclid Mission’s Cosmic Atlas Released by ESA

October 15th, 2024

With contributions from NASA, the mission will map a third of the sky in order to study a cosmic mystery called dark energy.

Euclid Science

Our Universe is undergoing an accelerated expansion. Since matter gravitates, cosmic expansion would slow down in a matter-dominated universe. Thus the unknown nature of the observed cosmic acceleration has been dubbed “dark energy”. Euclid will map the large-scale structure of the Universe over ~15,000 square degrees, nearly half of the full sky excluding the regions dominated by the stars in our Milky Way galaxy. It will measure galaxies out to distances which corresponds to a look-back time of ~10 billion years, covering the period over which dark energy accelerated the expansion of the Universe.

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Euclid Science

Our Universe is undergoing an accelerated expansion. Since matter gravitates, cosmic expansion would slow down in a matter-dominated universe. Thus the unknown nature of the observed cosmic acceleration has been dubbed “dark energy”. Euclid will map the large-scale structure of the Universe over ~15,000 square degrees, nearly half of the full sky excluding the regions dominated by the stars in our Milky Way galaxy. It will measure galaxies out to distances which corresponds to a look-back time of ~10 billion years, covering the period over which dark energy accelerated the expansion of the Universe.

Learn more

Euclid Mission

Euclid is an ESA space mission with NASA contribution. It will study the geometry and nature of the dark Universe. Euclid will carry out a 6 year survey of ~1/2 of the extragalactic sky in the optical and near-infrared, accurately measuring shapes for ~1.5 billion galaxies, and redshifts (i.e., distances) of ~30 million galaxies. All data will be released to the world-wide community within about 2 years of acquisition.

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Euclid Data

All Euclid data will be made public in three major data releases (DR1, DR2, DR3), phased with the survey progress, with the final DR3 a year after the end of the main survey. Preceding each major DR are “quick releases” (Q1, Q2, Q3, Q4) of selected areas and data-products, to demonstrate the data to be expected, and to allow scientists to sharpen their data analysis tools. Well-characterized and validated data will be released via ESA’s Euclid Science Archive System, and by the NASA/IPAC Infrared Science Archive.

Learn more

Euclid Data

All Euclid data will be made public in three major data releases (DR1, DR2, DR3), phased with the survey progress, with the final DR3 a year after the end of the main survey. Preceding each major DR are “quick releases” (Q1, Q2, Q3, Q4) of selected areas and data-products, to demonstrate the data to be expected, and to allow scientists to sharpen their data analysis tools. Well-characterized and validated data will be released via ESA’s Euclid Science Archive System, and by the NASA/IPAC Infrared Science Archive.

Learn more
Euclid @ ESA
Euclid Consortium
Euclid @ NASA