Tag Archive for 'Galaxy'

A long-exposure observation lasting 70 min from the Nicholas U. Mayall 4-m Telescope at Kitt Peak National Observatory, a Program of NSF’s NOIRLab, reveals NGC 1003 in glorious detail. This spiral galaxy resides in front of a galaxy cluster and the long exposure time of this deep observation allowed usually overlooked red background cluster galaxies to be captured. Image credit: KPNO / NOIRLab / NSF / AURA / Maria T. Patterson, New Mexico State University / Travis Rector, University of Alaska Anchorage / Mahdi Zamani & Davide de Martin.

Astronomers Capture Deep Image of Spiral Galaxy NGC 1003

Jan 12, 2021 by News Staff

A spectacular new image, taken with the Nicholas U. Mayall 4-m Telescope at Kitt Peak National Observatory, shows the spiral galaxy NGC 1003 and a collection...

This image, taken with VLT’s MUSE instrument, shows the central region of the barred spiral galaxy NGC 1097. Image credit: VLT / ESO / TIMER Survey.

VLT Spots Star-Bursting Nuclear Ring in NGC 1097

Jan 11, 2021 by Enrico de Lazaro

Using the Multi Unit Spectroscopic Explorer (MUSE) instrument on the Very Large Telescope (VLT) at ESO’s Paranal Observatory, astronomers have imaged...

This image of the barred spiral galaxy NGC 613 was snapped by Hubble’s Advanced Camera for Surveys (ACS). The color composite was assembled from images taken in visible and near-infrared light. Three filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / G. Folatelli.

Hubble Space Telescope Focuses on NGC 613

Jan 11, 2021 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have captured the most detailed image so far of the central part of the barred spiral galaxy NGC...

Adamo et al. investigated the rate of star formation within six merging galaxy systems (from left to right, from top to bottom): NGC 3256, NGC 1614, NGC 4194, NGC 3690, NGC 6052, and NGC 34. Image credit: NASA / ESA / Hubble Heritage Team / STScI / AURA / A. Evans / University of Virginia, Charlottesville / NRAO / Stony Brook University / Adamo et al.

Astronomers Study Star Formation in Six Galaxy Mergers

Jan 8, 2021 by Natali Anderson

Astronomers using the NASA/ESA Hubble Space Telescope have detected and studied numerous young star clusters in six merging galaxy systems. Adamo et al....

Astronomers Discover New Supercluster of Galaxies

Jan 5, 2021 by Sergio Prostak

Using data from the eROSITA X-ray telescope aboard the Spektrum-Roentgen-Gamma (SRG) observatory, astronomers have detected a previously unknown supercluster...

The central part of the total field of view of the VLA radio map of the Perseus cluster. NGC 1275 is the bright source in the middle of the image. The wide-angle tail radio galaxy NGC 1265 (NNW of NGC 1275) and the head-tail CR 15 (between NGC 1275 and IC 310), as well as IC 310 (WSW of NGC 1275) are clearly visible. Image credit: Gendron-Marsolais et al., doi: 10.1093/mnras/staa2003.

Astronomers Create Radio Map of Perseus Galaxy Cluster

Jan 4, 2021 by Sergio Prostak

Astronomers using NSF’s Karl G. Jansky Very Large Array have produced a high-resolution map of the Perseus cluster, a collection of thousands of galaxies...

This Hubble image shows the spiral arms and various stellar environments of NGC 6946. The color image was made from separate exposures taken in the infrared region of the spectrum with Hubble’s Wide Field Camera 3 (WFC3). Three filters were used to sample various wavelengths. Image credit: NASA / ESA / Hubble / A. Leroy / K.S. Long.

Hubble Looks at Face-On Spiral Galaxy NGC 6946

Jan 4, 2021 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have captured an amazing new photo of the medium-sized, face-on spiral galaxy NGC 6946. This Hubble...

This image from the eROSITA X-ray telescope shows the energetic Universe. As eROSITA scans the sky, the energy of the collected photons is measured with an accuracy ranging from 2% - 6%. To generate this image, in which the whole sky is projected onto an ellipse (so-called Aitoff projection) with the center of the Milky Way in the middle and the body of our Galaxy running horizontally, photons have been color-coded according to their energy (red for energies 0.3-0.6 keV, green for 0.6-1 keV, blue for 1-2.3 keV). The red diffuse glow away from the galactic plane is the emission of the hot gas in the vicinity of the Solar System (the Local Bubble). Along the plane itself, dust and gas absorb the lowest energy X-ray photons, so that only high-energy emitting sources can be seen, and their color appears blue in the image. The hotter gas close to the Galactic center, shown in green and yellow, carries imprinted the history of the most energetic processes in the life of the Milky Way, such as supernova explosions, driving fountains of gas out of the plane, and, possibly, past outburst from the now dormant supermassive black hole in the center of the Milky Way. Piercing through this turbulent, hot diffuse medium, are hundreds of thousands of X-ray sources, which appear mostly white in the image, and uniformly distributed over the sky. Among them, distant active galactic nuclei are visible as point sources, while clusters of galaxies reveal themselves as extended X-ray nebulosities. In total, about one million X-ray sources have been detected in this image. Image credit: Jeremy Sanders, Hermann Brunner & the eSASS team / Max Planck Institute for Extraterrestrial Physics / Eugene Churazov & Marat Gilfanov, IKI.

Astronomers Detect Large-Scale X-Ray Bubbles in Milky Way’s Halo

Dec 31, 2020 by Enrico de Lazaro

Astronomers using the eROSITA X-ray telescope onboard the Spektrum-Roentgen-Gamma (SRG) observatory have detected X-ray-emitting bubbles that extend approximately...

The positions and orbits of the newly-discovered high-velocity stars. Image credit: Xiao Kong, China’s National Astronomical Observatories.

Almost Six Hundred New High-Velocity Stars Spotted in Milky Way

Dec 29, 2020 by Sergio Prostak

Using data from the Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) and ESA’s star-mapping satellite Gaia, astronomers have discovered...

This Hubble image shows the central region of NGC 2217, a barred spiral galaxy some 83 million light-years away in the constellation Canis Major. This image is made up of observations from Hubble’s Advanced Camera for Surveys (ACS) in the optical part of the spectrum. It was colorized with data from the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS). Image credit: NASA / ESA / Hubble / J. Dalcanton / Judy Schmidt, www.geckzilla.com.

Hubble Spots Nearly Face-On Barred Spiral Galaxy: NGC 2217

Dec 28, 2020 by Enrico de Lazaro

Hubble’s Advanced Camera for Surveys (ACS) has taken a beautiful image of the central part of the barred spiral galaxy NGC 2217. This Hubble image shows...

VLBA image of PSO J0309+27. Image credit: Spingola et al. / Bill Saxton / NRAO / AUI / NSF.

Astronomers Observe Bright Relativistic Jet from Distant Blazar

Dec 23, 2020 by Enrico de Lazaro

Astronomers have observed a bright one-sided jet of material ejected at three-quarters the speed of light from the core of the blazar PSO J030947.49+271757.31...

This image of Abell 2261, a galaxy cluster located 3 billion light-years away, contain X-ray data from Chandra showing hot gas pervading the cluster as well as optical data from Hubble and the Subaru Telescope that show galaxies in the cluster and in the background. A2261-BCG (center), also known as 2MASX J17222717+3207571, is the most massive and brightest galaxy in the cluster. Image credit: NASA / CXC / University of Michigan / K. Gültekin / STScI / NAOJ / Subaru / NSF / NOAO / KPNO.

Abell 2261 May Contain Recoiling Supermassive Black Hole

Dec 18, 2020 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory are searching for signs of a recoiling black hole in the core of A2261-BCG, the most massive and brightest...

Simulation showing the distribution of hot gas (left), compared with the eROSITA X-ray image (right) of the Abell 3391-Abell 3395 system. Image credit: Reiprich et al., doi: 10.1051/0004-6361/202039590.

Astronomers Discover Longest Filament of Intergalactic Gas Yet

Dec 17, 2020 by News Staff

Using the eROSITA X-ray telescope onboard the Spectrum-Roentgen-Gamma (SRG) space observatory and CSIRO’s Australian Square Kilometre Array Pathfinder...

This image shows the spiral galaxy Messier 63, widely known as the Sunflower Galaxy. The image was taken with Hubble’s Wide Field and Planetary Camera 2. Image credit: NASA / ESA / Hubble.

New Research Supports ‘Modified Gravity’ Theory

Dec 17, 2020 by News Staff

Dark matter proponents theorize that most of the known Universe is actually made of material that doesn’t interact with light, making it invisible and...

GN-z11. Image credit: NASA / ESA / P. Oesch, Yale University / G. Brammer, STScI / P. van Dokkum, Yale University / G. Illingworth, University of California, Santa Cruz.

GN-z11 Confirmed as Farthest Galaxy Ever Observed

Dec 15, 2020 by Enrico de Lazaro

GN-z11, a young but moderately massive galaxy located in the constellation of Ursa Major, is estimated to date from when the Universe was only 420 million...

This Hubble images shows Caldwell 45, a spiral galaxy located 59 million light-years away in the constellation Boötes. Also known as NGC 5248, this galaxy is notable for the ring structure around its nucleus. These nuclear rings are characterized by hot spots of starburst activity. Caldwell 45 was discovered by astronomer William Herschel in 1784. The galaxy has an apparent magnitude of 10 and can be spotted using a small telescope, though it won’t appear very bright. A larger telescope is needed to make out the galaxy’s spiral arms. The best time of year to observe Caldwell 45 is during the northern hemisphere’s spring and the southern hemisphere’s autumn. This stunning image of Caldwell 45 is a composite of observations made by Hubble’s Wide Field Camera 3 (WFC3) and Wide Field and Planetary Camera 2 (WFPC2) in visible, infrared, and ultraviolet light. It captures the glowing red clouds where new stars are forming, scattered along the galaxy’s winding arms. These observations of Caldwell 45 were made to help astronomers learn more about gas in the galaxy’s starburst regions, as well as to better understand the structure of its nuclear rings. Image credit: NASA / ESA / J. Lee, California Institute of Technology / A. Filippenko, University of California, Berkeley / Gladys Kober, Catholic University of America.

NASA Releases Stunning Images of 30 Caldwell Objects

Dec 15, 2020 by News Staff

NASA has released more than 50 new Hubble images featuring 30 galaxies, star clusters, and nebulae. All of these objects belong to a collection known to...

This Hubble image shows GAL-CLUS-022058-38303, the largest, nearly-complete Einstein ring known. The image is made up of observations from Hubble’s Wide Field Camera 3 (WFC3) in the infrared and optical parts of the spectrum. Three filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / Saurabh Jha, Rutgers the State University of New Jersey / L. Shatz.

Hubble Space Telescope Spots Enormous Einstein Ring

Dec 14, 2020 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have captured a striking photo of GAL-CLUS-022058-38303, the largest and one of the most complete...

An artist’s impression of what the Milky Way might look like seen from above. The colored rings show the rough extent of the Heracles galaxy. The yellow dot shows the position of the Sun. Image credit: Danny Horta-Darrington, Liverpool John Moores University / NASA / JPL-Caltech / SDSS.

Astronomers Find ‘Fossil Galaxy’ Hidden in Depths of Milky Way

Dec 8, 2020 by News Staff

A small satellite galaxy, named Heracles, collided with our Milky Way Galaxy about 10 billion years ago and its remnants account for about one third of...

The positions of 16 new supernova remnant candidates in the Large Magellanic Cloud are marked in yellow; previously classified X-ray supernova remnants -- MCSNR J0541-6659, MCSNR 0522-6740 and MCSNR J0542-7104 -- are marked in violet color. Image credit: Yew et al., doi: 10.1093/mnras/staa3382.

Astronomers Spot Ancient Supernova Remnants in Large Magellanic Cloud

Dec 8, 2020 by News Staff

Astronomers have confirmed three supernova remnants and discovered 16 new supernova remnant candidates in the Large Magellanic Cloud, a small satellite...

This Hubble image shows NGC 1792, a spiral galaxy 36.4 million light-years away in the southern constellation of Columba. The vast swathes of tell-tale blue seen throughout NGC 1792 indicate areas that are full of young, hot stars, and it is in the shades of orange, seen nearer the center that the older, cooler stars reside. The color image is made up of observations from Hubble’s Wide Field Camera 3 (WFC3) in the ultraviolet, near-infrared, and optical parts of the spectrum. It is based on data obtained through five filters. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: Hubble / ESA / NASA / J. Lee / Leo Shatz.

Hubble Images Beautiful Star-Forming Spiral Galaxy: NGC 1792

Dec 7, 2020 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has produced a spectacular image of the starburst spiral galaxy NGC 1792. This Hubble image shows NGC 1792, a spiral...

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