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Galaxy Simulations

The spectroscopic component of the High Latitude Wide Area Survey measures redshifts of tens of millions of galaxies

Measuring redshifts of tens of millions of galaxies

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The spectroscopic component of the High Latitude Wide Area Survey measures redshifts of tens of millions of galaxies via grism spectroscopy using the WFI over at least a 1700 deg2 region that overlaps the region.

Credit Data provided by Z. Zhai and Y. Wang (Caltech/IPAC); Data Visualization/J. DePasquale and D. Player (STScI)

Roman Simulated Image

Roman Simulated Image

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This Roman Simulated Image (1/140th Roman field of view) of center of our Galaxy

Credit Matthew T. Penny (Ohio State University)

 The accelerating, expanding Universe.

The accelerating, expanding Universe.

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Credit: NASA/WMAP

 HLS Archival Science Benford

HLS Archival Science Benford

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Credit: NASA

 A candidate for a galaxy which was found in an HST survey using the WFC3IR camera. This young object is seen when the universe is only about 500 million years old.

A candidate for a galaxy

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A candidate for a galaxy at z≈9.6, magnified by a factor of ~15 by the foreground cluster MACSJ1149+2223 (z ≈ 0.54). The object was found in an HST survey using the WFC3IR camera (Zheng et al. 2012). This young object is seen when the universe is only about 500 million years old.

This figure illustrates the power of Roman’s wide field for studying galaxy clusters. In 2000 square degrees, the High Latitude Wide Area Survey will observe some 200 Abell clusters and a much larger number of more distant galaxy clusters.

Roman’s wide field for studying galaxy clusters

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This figure illustrates the power of Roman’s wide field for studying galaxy clusters. In 2000 square degrees, the High Latitude Wide Area Survey will observe some 200 Abell clusters and a much larger number of more distant galaxy clusters. (Note: Purple circle represents estimated halo size of Rubin’s galaxy)

[Credit] Hubble callout of Rubin’s Galaxy/ NASA, ESA, and B. Holwerda (University of Louisville); Background Image/DSS; Image Composition/J. DePasquale (STScI)



A Wide Field of View

 This still from the video of the Eagle Nebula showcases the superb resolution and Roman's wide field of view

The Eagle Nebula and Roman's Wide Field of View

JPG 1.5 MB | PDF 5 MB | video

Hubble Space telescope compared to the Roman Space Telescope.
Credit: GSFC

Roman Space Telescope vs hubble.

Roman's Field of View

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Hubble Space telescope compared to the Roman Space Telescope.
Credit: GSFC

Roman Space Telescope Microlensing Search Space Benford

Roman Microlensing Search Space Benford

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Credit: NASA

Roman Space Telescope Field of View

Roman Field of View

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Credit: NASA



Roman simulation of Andromeda

 Our neighboring galaxy Andromeda (M31) and the Roman Space Telescope.

Our neighboring galaxy Andromeda (M31)

JPG 166 KB | JPG 1.9 MB | video

The simulated image covers a swath roughly 34,000 light-years across, showcasing the red and infrared light of more than 50 million individual stars detectable with Roman.
Credit: GSFC/SVS

 This simulated image showcases the red and infrared light of more than 50 million stars in Andromeda, as they would appear with the Roman Space Telescope.

Our neighboring galaxy Andromeda (M31)

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This simulated image showcases the red and infrared light of more than 50 million stars in Andromeda, as they would appear with the Roman Space Telescope.
Credit: GSFC/SVS

 A composite figure shows the region of Andromeda covered by the Roman Space Telescope simulation.

Roman simulation of Andromeda

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A composite figure shows the region of Andromeda covered by the Roman Space Telescope simulation. It would be able to image the main body of Andromeda in just a few pointings, surveying the galaxy nearly 1500 times faster than Hubble.
Credit: GSFC/SVS


Visit the Roman Space Telescope Partner Websites

IPAC/Caltech
Space Telescope Science Institute (STScI)


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Media Inquiries: Claire Andreoli
Website Curator: Jennifer Brill



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