Tag Archive for 'Chandra'

Two dwarf-dwarf galaxy mergers in galaxy clusters Abell 133 (left) and Abell 1758S (right) are shown in X-rays from Chandra and optical light from the Canada-France-Hawaii telescope. The merger on the left is in a late stage and was given the single name of Mirabilis. The other merger is in the early stages and the two dwarf galaxies are named Elstir (bottom) and Vinteuil (top). Image credit: NASA / CXC / University of Alabama / Micic et al. / International Gemini Observatory / NOIRLab / NSF / AURA.

Chandra Spots Two Pairs of Supermassive Black Holes on Collision Courses

Feb 23, 2023 by News Staff

According to observations and cosmological simulations, dwarf galaxies are the most abundant type of galaxies in the early Universe and the galaxy merger...

This composite image shows at least three galaxy clusters colliding in a jumbled scene. The resulting giant galaxy cluster, known as Abell 2256, resembles a grainy, pixilated, sky blue cloud topped with licks of flaming red hair. The cloud is adorned with red shapes and streaks, and set against a black background heavily dotted with colorful specks. The image combines X-ray, radio, optical, and infrared data. Image credit: NASA / CXC / University of Bolonga / Rajpurohit et al. / ESA / XMM-Newton / LOFAR / ASTRON / NCRA / TIFR / GMRT / NSF / NRAO / VLA / Pan-STARRS.

Astronomers Capture Ongoing Collision of Three Galaxy Clusters

Feb 1, 2023 by News Staff

Using NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and three radio telescopes (the Giant Metrewave Radio Telescope, the Low Frequency Array,...

This artist’s conception shows the galaxy merger and its two central black holes. Image credit: ALMA / ESO / NAOJ / NRAO / M. Weiss, NRAO, AUI & NSF.

UGC 4211’s Pair of Supermassive Black Holes is Closest to Colliding Ever Seen

Jan 11, 2023 by News Staff

While close together in cosmological terms at just 750 light-years apart, or 6x the black hole sphere of influence, the supermassive black holes in the...

This composite image shows one of the studied clusters, NGC 3293, which is 11 million years old and is located about 8,300 light-years from Earth in the constellation of Carina. The image contains X-rays from Chandra (purple) as well as infrared data from ESA’s Herschel Space Observatory (red), longer-wavelength infrared data from NASA’s retired Spitzer Space Telescope (blue and white), and optical data from the MPG/ESO 2.2-m telescope at ESO’s La Silla Observatory appearing as red, white and blue. Image credit: NASA / CXC / Penn State University / Getman et al. / ESA / JPL-Caltech / Herschel Space Observatory / IPAC / SSC / Spitzer Space Telescope / MPG / ESO / G. Beccar.

Astronomers Trace Evolution of X-Ray Activity in Young Sun-Like Stars

Dec 27, 2022 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory and ESA’s Gaia satellite have studied a sample of 6,003 stars in 10 different open clusters with...

An artist’s impression of a hot Jupiter in a binary stellar system. Image credit: NASA / CXC / M. Weiss.

Hot-Jupiter Exoplanets Slow Down Aging Process for Their Host Stars

Nov 3, 2022 by News Staff

Using data from NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton spacecraft, astronomers have looked for the effects of massive, close-in planets...

This Chandra image shows the LTT 1445 system: LTT 1445A is the fainter source at the center of the image with the brighter resolved binary LTT 1445 BC. Image credit: NASA / Chandra / Brown et al., arXiv: 2209.11314.

Chandra Detects X-ray Emission from Exoplanet-Hosting Triple Star System

Oct 11, 2022 by Natali Anderson

The triple star system LTT 1445, at a distance of 22.5 light-years, hosts some of the nearest rocky planets. This Chandra image shows the LTT 1445 system:...

These images span a range of different types of objects, including a cluster of galaxies (SMACS J0723.3-7327), a galaxy group (Stefan’s Quintet), a star-forming nebula (Carina Nebula), and a galaxy (Cartwheel Galaxy). In each image, the X-rays from Chandra show higher-energy processes than the infrared view from Webb. Additionally, infrared data from Spitzer is included in the Stephan’s Quintet composite. Image credit: NASA / CXC / SAO / Spitzer / JPL-Caltech / Webb / ESA / CSA / STScI.

Chandra Adds X-ray Data to Webb’s Infrared Images

Oct 5, 2022 by News Staff

The Stephan’s Quintet, the Cartwheel Galaxy, the galaxy cluster SMACS J0723.3-7327, and the Carina Nebula were among the first publicly released images...

This composite image shows SNR 0519-69.0, a Type Ia supernova remnant in the Large Magellanic Cloud: X-ray data from Chandra with low, medium and high energies are shown in green, blue, and purple respectively, with some of these colors overlapping to appear white; optical data from Hubble shows the perimeter of the remnant in red and stars around the remnant in white. Image credit: NASA / CXC / GSFC / Williams et al. / STScI.

Astronomers Determine Age of Supernova Remnant in Large Magellanic Cloud

Sep 14, 2022 by News Staff

Light from a Type Ia supernova explosion that created the supernova remnant SNR 0519-69.0 in the Large Magellanic Cloud, a satellite galaxy of the Milky...

The main panel of this image shows a wide-field view of NGC 4424 in optical light from Hubble. The image is about 45,000 light-years wide. The inset features a close-up view of NGC 4424 that shows Chandra X-ray data (blue) plus a version of the optical data (red) that has had light from a model of NGC 4424 subtracted from the image to show other faint features. This inset image is about 1,700 light-years across. The Nikhuli star cluster is the elongated red object. Image credit: NASA / CXC / Swinburne University of Technology / Graham et al. / ESA / STScI.

Astronomers Witness ‘Black Hole Delivery System’ in Action

Aug 18, 2022 by Natali Anderson

A rare intermediate-mass black hole may have been delivered to the barred spiral galaxy NGC 4424 by another, smaller galaxy, according to an analysis of...

Zeta Ophiuchi was once in close orbit with another star, before being ejected when this companion was destroyed in a supernova explosion; infrared data from Spitzer reveal a spectacular shock wave (red and green) that was formed by matter blowing away from the star’s surface and slamming into gas in its path; data from Chandra (blue) show a bubble of X-ray emission located around the star, produced by gas that has been heated by the shock wave to tens of millions of degrees. Image credit: NASA / CXC / University of Cambridge / Sisk-Reynés et al. / NSF / NRAO / VLA / PanSTARRS.

Chandra Takes New Look at Giant Runaway Star Zeta Ophiuchi

Jul 26, 2022 by Enrico de Lazaro

Zeta Ophiuchi is a very massive, hot, bright blue star that once had a companion that exploded as a supernova. Zeta Ophiuchi was once in close orbit with...

Multi-wavelength image of Westerhout 50 (red - radio, green - optical, yellow - soft X-rays, magenta - medium energy X-rays, cyan - hard X-ray emission). The eastern lobe X-ray image highlights the XMM-Newton data (with the brightening at the edge of the field of view cropped here to highlight the source emission). The western lobe X-ray image shows only partial Chandra coverage of part of the nebula. Image credit: Safi-Harb et al., arXiv: 2207.00573.

Astronomers Find Evidence for Unusual Particle Acceleration in Manatee Nebula

Jul 5, 2022 by Sergio Prostak

Using ESA’s XMM-Newton X-ray observatory, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) and its Chandra X-ray Observatory, astronomers have...

This composite image of H1821+643 contains X-rays from Chandra (blue) that have been combined with radio data from NSF’s Karl G. Jansky Very Large Array (red) and an optical image from the PanSTARRS telescope on Hawaii (white and yellow). Image credit: NASA / CXC / University of Cambridge / Sisk-Reynés et al. / NSF / NRAO / VLA / PanSTARRS.

Chandra Finds Slow-Rotating Supermassive Black Hole in Distant Quasar

Jul 1, 2022 by News Staff

A supermassive black hole in the center of H1821+643, a quasar about 3.4 billion light-years away from Earth, is rotating at about half the speed of light. This...

In this composite image of Abell 2146, Chandra X-ray data (purple) shows hot gas, and Subaru Telescope optical data shows galaxies (red and white). Image credit: NASA / CXC / University of Nottingham / Russell et al. / NAOJ / Subaru Telescope.

Chandra Spots 1.6-Million-Light-Year-Long Shock Wave in Abell 2146

Jun 9, 2022 by News Staff

Abell 2146 is a pair of colliding galaxy clusters located approximately 2.8 billion light-years away in the constellation of Draco. In this composite image...

The four galaxies shown in this graphic are among 29 galaxies in the sample that showed evidence for growing black holes near their centers. X-rays from Chandra (blue) have been overlaid on optical images from the NASA/ESA Hubble Space Telescope of the galaxies NGC 1385, NGC 1566, NGC 3344, and NGC 6503. The boxes that appear in the roll-over outline the location of the burgeoning black holes. Image credit: NASA / CXC / Washington State University / Baldassare et al. / ESA / STScI.

Massive Black Holes Form in Dense Stellar Environments, Study Suggests

Apr 21, 2022 by News Staff

Black holes are demolishing thousands of stars in a quest to pack on weight, according to an analysis of images of 108 galaxies taken by NASA’s Chandra...

PSR J2030+4415 generated an extremely long beam of matter and antimatter. Image credit: NASA / CXC / Stanford University / M. de Vries / NSF / AURA / Gemini Consortium.

Chandra Spots Huge Filament of Matter and Antimatter from Gamma-Ray Pulsar

Mar 15, 2022 by Enrico de Lazaro

Using NASA’s Chandra X-ray Observatory, astronomers have observed a remarkable X-ray filament generated by the gamma-ray pulsar PSR J2030+4415. PSR J2030+4415...

Chandra Detects ‘Sonic Boom’ from Powerful Kilonova

Mar 3, 2022 by News Staff

The binary neutron-star merger GW170817 was discovered in August 2017. Many telescopes saw different kinds of light after the discovery, but only NASA’s...

An artist’s impression of the G29-38 white dwarf, accreting planetary material from a circumstellar debris disk; when the planetary material hits the white dwarf surface, a plasma is formed and cools via detectable X-ray emission. Image credit: Mark Garlick / University of Warwick.

White Dwarf Spotted Eating Planetary Debris

Feb 10, 2022 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory have detected five X-ray events from G29-38, which is among the 100 closest white dwarfs. Their results...

This graphic shows X-rays that NASA’s Chandra X-ray Observatory detected from the dwarf galaxy Mrk 462. This X-ray emission (inset) is important because it reveals the presence of a growing supermassive black hole within this relatively small galaxy. The mass contained in this black hole -- about 200,000 times the mass of the Sun -- provides information to astronomers about how some of the earliest black holes in the Universe may have formed and grown billions of years ago. The background panel is an optical image from the Pan-STARRS telescope in Hawaii. There are several galaxies that are part of the HCG068 galaxy group on the left-hand side of the image. The galaxy that is emitting copious amounts of X-rays, however, is the much smaller galaxy located to the lower right of the image (marked by the arrow). Image credit: NASA / CXC / Dartmouth College / J. Parker & R. Hickox / Pan-STARRS.

Chandra Detects Mini-Supermassive Black Hole in Star-Forming Dwarf Galaxy

Jan 11, 2022 by News Staff

A supermassive black hole with 200,000 solar masses is located in the middle of the dwarf galaxy Markarian 462 (Mrk 462), according to new research led...

Four enormous cavities have been found at the center of the RBS 797 galaxy cluster using Chandra. Image credit: NASA / CXC / University of Bologna / F. Ubertosi / STScl / M. Calzadilla / NSF / NRAO / ALMA.

Chandra Spots Four Cavities in Center of Galaxy Cluster

Dec 29, 2021 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory have found a quartet of pronounced X-ray cavities in RBS 797, a cluster of galaxies located about...

This artist’s illustration depicts what Chu et al. think is happening in the binary system KPD 0005+5106. The data suggest the white dwarf (blue sphere) is blasting a companion object (brown and red object on right), which is either a low-mass star or planet, with waves of heat and radiation. The white dwarf is also pulling material from the companion into a disk around itself, which the artist shows in orange, before it slams into its north and south poles. This process is contributing to the destruction of the companion through powerful gravitational forces. Image credit: NASA / CXC / M. Weiss / ASIAA / Chu et al.

Hard X-Ray Emission from White Dwarfs Reveals Their Hidden Companions

Nov 23, 2021 by News Staff

Using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton satellite, astronomers have investigated unusual X-ray activity in three white dwarfs:...

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