Tag Archive for 'Spectrum'

This artist’s concept of shows the main-belt comet 238P/Read sublimating -- its water ice vaporizing as its orbit approaches the Sun. Image credit: NASA / ESA.

Webb Detects Water Vapor around Main-Belt Comet 238P/Read

May 16, 2023 by Enrico de Lazaro

The new observations from the Near-Infrared Spectrograph (NIRSpec) aboard the NASA/ESA/CSA James Webb Space Telescope show that the main-belt comet 238P/Read...

This graphic shows the transmission spectrum obtained by Webb of the warm super-Earth exoplanet Gliese 486b. Image credit: NASA / ESA / CSA / J. Olmsted, STScI / S. Moran, University of Arizona / K. Stevenson, JHUAPL / R. MacDonald, University of Michigan / J. Lustig-Yaeger, JHUAPL.

Webb Captures Transmission Spectrum of Gliese 486b

May 2, 2023 by Enrico de Lazaro

Using spectral data from Webb’s Near-Infrared Spectrograph (NIRSpec), astronomers determined that the warm super-Earth Gliese 486b either has a water-rich...

This Webb image shows member galaxies of the galaxy cluster A2744-z7p9OD. Image credit: NASA / ESA / CSA / T. Morishita, IPAC / A. Pagan, STScI.

Webb Spots Galaxy Protocluster in Early Universe

Apr 25, 2023 by News Staff

The seven galaxies highlighted in this new image from the NASA/ESA/CSA James Webb Space Telescope have been confirmed to be at a distance that astronomers...

Kosec et al. mapped the winds associated with the accretion disk around Hercules X-1, a binary system located 6,600 parsecs (21,526 light-years) away in the constellation of Hercules. Image credit: Jose-Luis Olivares, MIT / D. Klochkov, ESA.

Astronomers Map Colossal ‘Disk Winds’ in Hercules X-1

Apr 12, 2023 by News Staff

Hercules X-1 is an X-ray binary system in which a neutron star is drawing material away from a Sun-like star. This neutron star’s accretion disk is unique...

This false-color image shows the dwarf planet Ceres. Image credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA.

New Study Sheds Light on Origin and Evolution of Ceres-Like Asteroids

Feb 21, 2023 by News Staff

Astronomers using NASA’s Infrared Telescope Facility (IRTF) telescope at Mauna Kea Observatory have captured and analyzed visible and near-infrared reflectance...

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...

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...

These images of Saturn’s moon Titan were captured by Webb’s NIRCam instrument on November 4, 2022. Left: image using F212N, a 2.12-micron filter sensitive to Titan’s lower atmosphere; the bright spots are prominent clouds in the northern hemisphere. Right: color composite image using a combination of NIRCam filters; several prominent surface features are labeled: Kraken Mare is thought to be a methane sea; Belet is composed of dark-colored sand dunes; Adiri is a bright albedo feature. Image credit: NASA / ESA / CSA / A. Pagan, STScI / Webb Titan GTO Team.

Webb Sees Clouds in Hazy Atmosphere of Titan

Dec 2, 2022 by News Staff

Titan, the largest moon of Saturn, is the only moon in the Solar System with a dense atmosphere, and it is also the only planetary body other than Earth...

This illustration shows what WASP-39b could look like, based on the current understanding of the planet. Image credit: NASA / ESA / CSA / Webb / J. Olmsted, STScI.

Webb Reveals Atmospheric Composition of Hot-Saturn WASP-39b

Nov 22, 2022 by News Staff

While the NASA/ESA/CSA James Webb Space Telescope and other space telescopes previously have revealed isolated ingredients of the atmosphere of WASP-39b,...

An artist’s impression of the white dwarfs WD J2147-4035 and WD J1922+0233 surrounded by orbiting planetary debris, which will accrete onto the stars and pollute their atmospheres. WD J2147-4035 is extremely red and dim, while WD J1922+0233 is unusually blue. Image credit: Mark Garlick / University of Warwick.

Planetary Debris Spotted around 11-Billion-Year-Old White Dwarf

Nov 7, 2022 by Enrico de Lazaro

WD J2147-4035, an 11-billion-year-old white dwarf located 91 light-years away in the constellation of Grus, is accreting debris from orbiting planetesimals,...

This image, taken with Webb’s Mid-InfraRed Instrument (MIRI), shows the barred spiral galaxy NGC 7469. Image credit: Bohn et al., arXiv: 2209.04466.

Webb Detects Polycyclic Aromatic Hydrocarbons in Nuclear Regions of Seyfert Galaxies

Oct 11, 2022 by News Staff

Astronomers have analyzed publicly available data from the Mid-Infrared Instrument (MIRI) on the NASA/ESA/CSA James Webb Space Telescope for three Seyfert...

These images shows Jupiter’s icy moons Ganymede and Europa with Jupiter in the background. Image credit: ESO / King & Fletcher / NASA / ESA / A. Simon, NASA’s Goddard Space Flight Center / M.H. Wong, University of California, Berkeley / OPAL Team.

SPHERE Helps Determine Surface Compositions of Europa and Ganymede

Oct 10, 2022 by Natali Anderson

Astronomers using the Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE) instrument on ESO’s Very Large Telescope have imaged Jupiter’s...

Shown here in purple, the Magellanic Corona stretches more than 100,000 light-years from the main mass of stars, gas, and dust that make up the Magellanic Clouds, intermingling with the hotter and more extensive corona that surrounds the Milky Way. Image credit: Leah Hustak, STScI.

Magellanic Corona: Astronomers Detect Protective Shield around Small and Large Magellanic Clouds

Oct 4, 2022 by News Staff

The Small and Large Magellanic Clouds — satellite galaxies of the Milky Way Galaxy — are surrounded by a diffuse halo of hot, supercharged...

This image of Mars, captured by Webb’s NIRCam instrument on September 5, 2022, shows 4.3-micron (F430M filter) emitted light that reveals temperature differences with latitude and time of day, as well as darkening of the Hellas Basin caused by atmospheric effects; the bright yellow area is just at the saturation limit of the detector. Image credit: NASA / ESA / CSA / STScI / Mars JWST / GTO Team.

Webb Captures Its First Images and Spectra of Mars

Sep 20, 2022 by News Staff

Using the Near-Infrared Camera (NIRCam) and the Near-Infrared Spectrograph (NIRSpec) aboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have...

An artist’s impression of the triple brown dwarf system VHS J1256. Image credit: Sci.News.

Webb Detects Silicate Clouds on Nearby Brown Dwarf

Sep 7, 2022 by Natali Anderson

Using the spectral data from the NASA/ESA/CSA James Webb Space Telescope, astronomers have found evidence for silicate clouds as well as water, methane,...

This transmission spectrum of WASP-39b was captured by Webb’s Near-Infrared Spectrograph (NIRSpec) on July 10, 2022. Image credit: NASA / ESA / CSA / Leah Hustak, STScI / Joseph Olmsted, STScI.

Webb Detects Carbon Dioxide in Atmosphere of Hot-Saturn WASP-39b

Aug 25, 2022 by News Staff

Carbon dioxide is a key chemical species that is found in a wide range of planetary atmospheres. This transmission spectrum of WASP-39b was captured by...

WASP-96b periodically transits WASP-96 (also known as 2MASS J00041112-4721382), a Sun-like star 980 light years away in the southern constellation Phoenix. Image credit: © Sci-News.com.

Webb Captures Most Detailed Spectrum of Exoplanet Atmosphere to Date

Jul 13, 2022 by News Staff

The NASA/ESA/CSA James Webb Space Telescope has captured the distinct signature of water, along with evidence for clouds and haze, in the atmosphere surrounding...

Webb’s First Full-Color Images Released

Jul 12, 2022 by News Staff

The NASA/ESA/CSA James Webb Space Telescope mission today released its first full-color scientific images and spectroscopic data. An artist’s impression...

An artist’s impression of the ultrahot Jupiter KELT-20b. Image credit: NASA / ESA / Leah Hustak, STScI.

Ultrahot Jupiters WASP-178b and KELT-20b Have Extreme Weather

Apr 6, 2022 by News Staff

It’s raining vaporized rock on WASP-178b, and KELT-20b has its upper atmosphere getting hotter rather than cooler because it is being sunburned by intense...

Coelho et al. provide a guide for the search for surface life on icy worlds based on biota from Earth’s icy environments. Image credit: Jack Madden.

Astrobiologists Create Catalog of Icy World Surface Biosignatures

Mar 15, 2022 by News Staff

With thousands of discovered exoplanets and new missions that will explore our Solar System, the search for life in the Universe has entered a new era....

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