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Cartwheel Galaxy - NIR (Near Infra-Red) and MIRI(Mid Infra-Red) Spectrum Image


About This Image


Description:

This image of the Cartwheel and its companion galaxies is a composite from Webb's Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI), which reveals details that are difficult to see in the individual images alone.

This galaxy formed as the result of a high-speed collision that occurred about 400 million years ago. The Cartwheel is composed of two rings, a bright inner ring and a colorful outer ring. Both rings expand outward from the center of the collision like shockwaves.

However, despite the impact, much of the character of the large, spiral galaxy that existed before the collision remains, including its rotating arms. This leads to the "spokes" that inspired the name of the Cartwheel Galaxy, which are the bright red streaks seen between the inner and outer rings. These brilliant red hues, located not only throughout the Cartwheel, but also the companion spiral galaxy at the top left, are caused by glowing, hydrocarbon-rich dust.

In this near- and mid-infrared composite image, MIRI data are colored red while NIRCam data are colored blue, orange, and yellow. Amidst the red swirls of dust, there are many individual blue dots, which represent individual stars or pockets of star formation. NIRCam also defines the difference between the older star populations and dense dust in the core and the younger star populations outside of it.



Webb's observations capture the Cartwheel in a very transitory stage. The form that the Cartwheel Galaxy will eventually take, given these two competing forces, is still a mystery. However, this snapshot provides perspective on what happened to the galaxy in the past and what it will do in the future.

NIRCam was built by a team at the University of Arizona and Lockheed Martin's Advanced Technology Center.

MIRI was contributed by ESA and NASA, with the instrument designed and built by a consortium of nationally funded European Institutes (The MIRI European Consortium) in partnership with JPL and the University of Arizona.

Credits

IMAGE: NASA, ESA, CSA, STScI, Webb ERO Production Team



About The Object
Object Name Cartwheel Galaxy, ESO 350-40, AM0035-335
Object Description Interacting Galaxies
Distance 500 million light-years (150 Mpc)
R.A. Position 00:37:41.09
Dec. Position -33:42:59.0
Constellation Sculptor
Dimensions Image is 2.34 arcmin across (about 340,000 light-years)
About The Data
Data Description This image was created with Webb data from proposal: 2727. It is part of Webb Early Release Observations. The Early Release Observations and associated materials were developed, executed, and compiled by the ERO production team: Jaclyn Barrientes, Claire Blome, Hannah Braun, Matthew Brown, Margaret Carruthers, Dan Coe, Joseph DePasquale, Nestor Espinoza, Macarena Garcia Marin, Karl Gordon, Alaina Henry, Leah Hustak, Andi James, Ann Jenkins, Anton Koekemoer, Stephanie LaMassa, David Law, Alexandra Lockwood, Amaya Moro-Martin, Susan Mullally, Alyssa Pagan, Dani Player, Klaus Pontoppidan, Charles Proffitt, Christine Pulliam, Leah Ramsay, Swara Ravindranath, Neill Reid, Massimo Robberto, Elena Sabbi, Leonardo Ubeda. The EROs were also made possible by the foundational efforts and support from the JWST instruments, STScI planning and scheduling, Data Management teams, and Office of Public Outreach.
Instrument MIRI, NIRCam
Filters NIRCam> F090W, F150W, F200W, F277W, F356W, F444W MIRI> F770W, F1000W, F1280W, F1800W
About The Image
Color Info These images are a composite of separate exposures acquired by the James Webb Space Telescope using the MIRI and NIRCam instruments. Several filters were used to sample narrow and broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Red: F444W + F356W Orange: F770W + F1000W + F1280W + F1800W Yellow: F277W Green: F200W Blue: F150W + F090W
Compass Image Image of a large galaxy on the right, with two smaller companion galaxies to the left. The large galaxy is ring-shaped, with an oval outer ring, and a small, off-center oval inner ring. The rings and space between are lit with blue and crimson red plumes and dots. The blue areas are pockets of young stars and hydrocarbon dust. The red areas are energized silica dust. The red dust trails from the outer ring toward the inner ring and bright white core. The companion galaxies to the left, one above the other, are much smaller than the main galaxy, and about the same size as each other. The galaxy above has similar coloring and many of the same features as the large ring galaxy, but more of a disturbed s-shape, with no distinct rings. The galaxy below is white with a slight blueish to pinking tinge. It has a diffuse spiral shape with a white core similar to that of the ring galaxy, but with a smoother texture. The background is full of more distant, orange-red colored galaxies of various shapes and sizes.