Tag Archive for CSA

The first epoch of COSMOS-Web NIRCam observations obtained on January 5 and 6, 2023, including the F115W, F150W, F277W, and F444W filters as a color composite. Image credit: COSMOS-Web / Casey et al. / RIT / UT Austin / IAP / CANDIDE.

New Webb Images Offer Treasure Trove of Early Galaxies

Mar 13, 2023 by News Staff

Astronomers from the COSMOS-Web program released mosaic images taken in early January 2023 by the Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument...

This Webb image shows the massive galaxy cluster RX J2129.6+0005; due to gravitational lensing, this observation contains three different images of a distant galaxy that hosted the Type Ia supernova event AT 2022riv. Image credit: NASA / ESA / CSA / Webb / P. Kelly.

Webb Sees Three Images of Same Supernova-Hosting Galaxy

Mar 10, 2023 by Enrico de Lazaro

Light from the distant supernova-hosting galaxy was gravitationally lensed by the foreground galaxy cluster RX J2129.6+0005 (RX J2129 for short). This...

SPT0418-47 is gravitationally lensed by a foreground galaxy, appearing in the sky as a near-perfect ring of light -- a so-called Einstein ring. Image credit: ALMA / ESO / NAOJ / NRAO / Rizzo et al.

Dusty, Chemically Mature Galaxy Spotted in Early Universe

Feb 28, 2023 by News Staff

The newly-discovered galaxy, SPT0418-SE, and its much larger companion, SPT0418-47, reside in a massive dark-matter halo with yet-to-be-discovered neighbors,...

This candidate massive galaxy could contain as many stars as our present-day Milky Way. Image credit: NASA / ESA / CSA / I. Labbe, Swinburne University of Technology / G. Brammer, Niels Bohr Institute’s Cosmic Dawn Center, University of Copenhagen.

Webb Discovers Impossibly Massive Galaxies in Early Universe

Feb 22, 2023 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed six candidate galaxies with stellar masses as high as 1011 solar masses about...

This Webb image shows NGC 7496, a barred spiral galaxy some 24 million light-years away in the constellation of Grus. Image credit: NASA / ESA / CSA / Webb / Judy Schmidt.

Webb Focuses on Polycyclic Aromatic Hydrocarbons in Nearby Galaxies

Feb 16, 2023 by News Staff

Webb observations of polycyclic aromatic hydrocarbon emission provide some of the deepest and highest resolution views of the cold interstellar medium...

This Webb image shows Abell 2744, a huge galaxy cluster some 4 billion light-years away in the constellation of Sculptor. Image credit: NASA / ESA / CSA / I. Labbe, Swinburne University of Technology / R. Bezanson, University of Pittsburgh / A. Pagan, STScI.

Webb Reveals Never-Before-Seen Details of Abell 2744

Feb 16, 2023 by News Staff

Webb astronomers estimate 50,000 near-infrared sources are represented in the new image of the huge galaxy megacluster Abell 2744. This Webb image shows...

An artist’s impression of an irregularly-shaped asteroid. Image credit: N. Bartmann, ESA & Webb / ESO / M. Kornmesser / S. Brunier / N. Risinger, skysurvey.org.

Webb Discovers New Asteroid in Solar System’s Main Belt

Feb 7, 2023 by News Staff

The newly-discovered asteroid is less than 230 m (755 feet) across, and orbits within the main asteroid belt, which is located between Mars and Jupiter. An...

An artist’s impression of our Milky Way Galaxy in its youth. The Sparkler galaxy provides a snap-shot of an infant Milky Way as it accretes mass over cosmic time. Image credit: James Josephides, Swinburne University.

Astornomers Spot Progenitor of Milky Way-Like Galaxy in Early Universe

Feb 6, 2023 by News Staff

We are seeing the ‘Sparkler’ galaxy from 9.1 billion years ago, some 4 billion years after the Big Bang. An artist’s impression of our Milky Way...

This Webb image shows LEDA 2046648, a spiral galaxy one billion light-years away in the constellation of Hercules. Image credit: NASA / ESA / CSA / Webb / A. Martel.

Webb Spots Large Spiral Galaxy in Hercules

Jan 31, 2023 by Enrico de Lazaro

LEDA 2046648 is accompanied by a profusion of smaller, more distant galaxies which range from fully-fledged spirals to mere bright smudges. This Webb image...

This illustration shows what Chariklo and its rings could look like, based on our current understanding. Image credit: NASA / ESA / CSA / Leah Hustak, STScI.

Webb Detects Water Ice on Chariklo, Spies Its Ring System

Jan 30, 2023 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have captured the reflectance spectrum of the double-ringed centaur 10199 Chariklo and observed...

This image shows the distant galaxy GHZ2/GLASS-z12. Image credit: NASA / ESA / CSA / T. Treu, UCLA / NAOJ / T. Bakx, Nagoya University.

ALMA Confirms Discovery of Oxygen-Rich Galaxy in Very Early Universe

Jan 25, 2023 by News Staff

GHZ2/GLASS-z12, initially identified in the JWST GLASS survey, existed when the Universe was only 367 million years old (redshift z=12.117). This image...

This Webb image features the central region of the Chameleon I dark molecular cloud, which resides 630 light-years away in the constellation of Chamaeleon; the cold, wispy cloud material (blue, center) is illuminated in the infrared by the glow of the young, outflowing protostar Ced 110 IRS 4 (orange, upper left); the light from numerous background stars, seen as orange dots behind the cloud, can be used to detect ices in the cloud, which absorb the starlight passing through them. Image credit: NASA / ESA / CSA / M. Zamani, ESA & Webb / F. Sun, Steward Observatory / Z. Smith, Open University / Ice Age ERS Team.

Webb Reveals Rich Composition of Interstellar Molecular Cloud Ices

Jan 23, 2023 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected water ice as well as frozen forms of carbonyl sulfide, ammonia, methane, and...

This image, taken by the Near-Infrared Camera (NIRCam) onboard the NASA/ESA/CSA James Webb Space Telescope, shows the star cluster NGC 346. Webb reveals the presence of many more building blocks than previously expected, not only for stars, but also planets, in the form of clouds packed with dust and hydrogen. The plumes and arcs of gas in this image contains two types of hydrogen. The pink gas represents energized hydrogen, which is typically as hot as around 10,000 degrees Celsius (approximately 18,000 degrees Fahrenheit) or more, while the more orange gas represents dense, molecular hydrogen, which is much colder at around minus 200 degrees Celsius or less (approximately minus 300 degrees Fahrenheit), and associated dust. The colder gas provides an excellent environment for stars to form, and, as they do, they change the environment around them. The effect of this is seen in the various ridges throughout, which are created as the light of these young stars breaks down the dense clouds. The many pillars of glowing gas show the effects of this stellar erosion throughout the region. In this image blue was assigned to the wavelength of 2.0 microns (F200W), green was assigned to 2.77 microns (F277W), orange was assigned to 3.35 microns (F335M), and red was assigned to 4.44 microns (F444W). Image credit: NASA / ESA / CSA / O. Jones, UK ATC / G. De Marchi, ESTEC / M. Meixner, USRA / A. Pagan, STScI / N. Habel, USRA / L. Lenkic, USRA / L. Chu, NASA’s Ames Research Center.

Webb Probes Most Massive Star-Forming Region of Small Magellanic Cloud

Jan 13, 2023 by Enrico de Lazaro

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have revealed many new pockets of star formation in NCG 346, an open star cluster in the...

An artist’s impression of LHS 475b and its parent star. Image credit: NASA / ESA / CSA / Leah Hustak, STScI.

Webb Confirms Earth-Sized Planet around LHS 475

Jan 12, 2023 by Natali Anderson

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have validated the discovery of a warm, 0.99 Earth-radius exoplanet interior to the habitable...

A trio of faint galaxies (circled) captured in the Webb’s deep image of the galaxy cluster SMACS J0723.3-7327 exhibit properties remarkably similar to rare, small galaxies called green peas found much closer to home. Image credit: NASA / ESA / CSA / STScI.

Webb Finds Green Pea Galaxies in Early Universe

Jan 10, 2023 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected three high-redshift galaxies with remarkable similarities to ‘green pea’...

Montage of Webb images showing six example barred galaxies, two of which represent the highest lookback times quantitatively identified and characterized to date. The labels in the top left of each figure show the lookback time of each galaxy, ranging from 8.4 to 11 billion years ago (Gyr), when the Universe was a mere 40% to 20% of its present age. Image credit: NASA / CEERS / University of Texas at Austin.

Webb Finds Six Barred Galaxies in Early Universe

Jan 5, 2023 by Enrico de Lazaro

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have spotted early galaxies with stellar bars — elongated features of stars stretching...

This PEARLS image shows early galaxies in the North Ecliptic Pole; callouts are used to highlight three specific galaxies. Image credit: NASA / ESA / CSA / A. Pagan, STScI / R. Jansen, ASU.

Webb Focuses on North Ecliptic Pole

Dec 27, 2022 by News Staff

This new image, captured by the NASA/ESA/CSA James Webb Space Telescope as part of the Prime Extragalactic Areas for Reionization and Lensing Science (PEARLS)...

This Webb image shows NGC 7469, a barred spiral galaxy some 206 million light-years away in the constellation of Pegasus. The galaxy has blue-purple hues with orange-red regions filled with stars. NGC 7469’s companion galaxy, IC 5283, is partly visible in the lower left portion of this image. Also visible is large diffraction spike, which appears as a star pattern over the central region of the galaxy. Lots of stars and galaxies fill the background scene. Image credit: NASA / ESA / CSA / Webb / L. Armus / A.S. Evans.

Webb Studies Star Formation in NGC 7469

Dec 21, 2022 by Enrico de Lazaro

NGC 7469 is a very luminous, face-on barred spiral galaxy approximately 90,000 light-years in diameter. This Webb image shows NGC 7469, a barred spiral...

This Webb image shows the Cosmic Cliffs, a region at the edge of a gigantic, gaseous cavity within the stellar nursery NGC 3324. The image is divided horizontally by an undulating line between a orange-burgundy cloudscape forming a nebula along the bottom portion and a comparatively blue upper portion. Image credit: NASA / ESA / CSA / STScI / J. DePasquale, STScI.

Webb Reveals Protostars and Energetic Jets in ‘Cosmic Cliffs’

Dec 20, 2022 by Enrico de Lazaro

Using the images from the NASA/ESA/CSA James Webb Space Telescope, astronomers have discovered 24 previously shrouded outflows from newborn stars in the...

Distant galaxies selected and confirmed by the JWST JADES program. Image credit: Robertson et al., arXiv: 2212.04480.

Webb Confirms Discovery of Four Galaxies in Early Universe

Dec 18, 2022 by News Staff

The light from these four galaxies has taken more than 13.4 billion years to reach us, as they date back to less than 400 million years after the Big Bang,...

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