Tag Archive for 'Gravitational lens'

An artist’s rendition of the MOA-2010-BLG-477Lb exoplanet and its white-dwarf host. Image credit: W.M. Keck Observatory / Adam Makarenko.

Jupiter-Mass Exoplanet Found Orbiting White Dwarf

Oct 15, 2021 by News Staff

Using a technique called gravitational microlensing, which occurs when a star close to Earth momentarily aligns with a more distant star, astronomers have...

This Hubble snapshot shows three magnified images of a distant galaxy embedded in a cluster of galaxies called SDSS J223010.47-081017.8. Image credit: NASA / ESA / Hubble / Richard E. Griffiths, University of Hawaii / Jenny Wagner, University of Heidelberg / Joseph DePasquale, STScI.

Hamilton’s Object: Hubble Observes Unique Gravitational Lensing Configuration

Oct 8, 2021 by News Staff

Astronomers have discovered an unusual gravitational lensing configuration, dubbed ‘Hamilton’s Object,’ consisting of two images of a clumpy spiral...

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.

Astronomers Study ‘Molten Einstein Ring’ in Detail

Sep 23, 2021 by News Staff

Located in the southern constellation of Fornax, GAL-CLUS-022058-38303 is a so-called Einstein ring — a distorted image of a gravitationally lensed...

This composite image of the galaxy cluster MACSJ 0138 shows data from ALMA and Hubble. Image credit: ALMA / ESO / NAOJ / NRAO / S. Dagnello, NRAO / STScI / Whitaker et al.

Early Universe’s Massive Galaxies Had Very Little Amounts of Star-Forming Gas, Study Says

Sep 22, 2021 by News Staff

Massive galaxies in the early Universe should have contained large amounts of cold molecular gas, the fuel required to make stars. But new observations...

MG B2016+112: the X-ray light from one of the objects on the left (purple) has been warped by the gravity of the intervening galaxy to produce two beams and X-ray sources (A and B) detected in the Chandra image, which is represented by the dashed square on the right; the X-ray light from the fainter object (blue) produces an X-ray source (C) that has been amplified by the galaxy to be as much as 300 times brighter than it would have been without the lensing; the Chandra image is shown in the inset; these two X-ray-emitting objects are likely a pair of growing supermassive black holes or a growing supermassive black hole and a jet. Image credit: NASA / CXC / M. Weiss / SAO / Schwartz et al.

Chandra Observes Gravitationally-Lensed Supermassive Black Hole System

Sep 1, 2021 by News Staff

By combining gravitational lensing with the capabilities of NASA’s Chandra X-ray Observatory, astronomers have detected two X-ray-emitting objects —...

An artist’s conception of exoplanets in a dense star cluster. Image credit: Michael Bachofner.

Milky Way Galaxy’s Bulge Could Have Planetary Systems, Too

Aug 30, 2021 by Enrico de Lazaro

The Milky Way’s bulge is the ancient and crowded central hub of our Galaxy. It contains about one quarter of the total stellar mass of the Milky Way...

A compilation of the new science results from LOFAR. Image credit: Ramírez-Olivencia et al. / NASA, ESA / Hubble Heritage Team / STScI / AURA / A. Evans, University of Virginia, Charlottesville / NRAO / Stony Brook University / R. Cumming / C. Groeneveld / R. Timmerman / LOFAR / Kukreti / Sloan Digital Sky Survey / A. Kappes / F. Sweijen / DESI Legacy Imaging Survey / S. Badole / L. Calcada / W.L. Williams.

LOFAR Captures Most Detailed Images Ever Seen of Distant Galaxies

Aug 19, 2021 by News Staff

Using data from the Low Frequency Array (LOFAR), a radio telescope that operates at frequencies between 10 and 240 MHz and consists of 52 stations spread...

An Einstein ring formed by gravitationally lensed light from 2M1310-1714. Image credit: NASA / ESA / Hubble / T. Treu / Judy Schmidt, www.geckzilla.com.

Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar

Aug 9, 2021 by Enrico de Lazaro

Thanks to the presence of a gravitational lens, the NASA/ESA Hubble Space Telescope has captured five separate images of 2M1310-1714, a quasar located...

This Hubble image shows the galaxy cluster MACS J0138.0-2155, which is so massive that its gravity bent and magnified light streaming not only from an extremely distant background galaxy but also from a supernova event in this galaxy. The color image was made using observations from eight different filters spread across Hubble’s Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFC3). The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / A. Newman / M. Akhshik / K. Whitaker.

Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova

Jul 19, 2021 by Enrico de Lazaro

The multiply-imaged supernova AT2016jka appeared in the distant giant galaxy MRG-M0138, gravitationally lensed by the foreground galaxy cluster MACS J0138.0-2155. This...

This Hubble image shows the giant galaxy cluster Abell 3827. Image credit: NASA / ESA / Hubble / R. Massey.

Hubble Observes Massive Galaxy Cluster: Abell 3827

May 3, 2021 by Enrico de Lazaro

Abell 3827, a galaxy cluster located approximately 1.3 billion light-years away in the southern constellation of Indus, is so massive that its gravity...

This composite image, taken by the NASA/ESA Hubble Space Telescope and ALMA, shows the galaxy cluster RXCJ0600-2007 and lensed images of the galaxy RXCJ0600-z6 (red). Image credit: ALMA / ESO / NAOJ / NRAO / Fujimoto et al. / NASA / ESA / Hubble Team.

ALMA Spots Gravitationally Lensed Rotating Galaxy in Early Universe

Apr 22, 2021 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a rotating dwarf galaxy 1/100th the size of the Milky Way in...

This Hubble image shows the galaxy cluster Abell 2813. The color image was compiled using observations taken with Hubble’s Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFC3) instruments. Several filters were used to sample various optical wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / D. Coe et al.

Hubble Sees Lensing Galaxy Cluster Abell 2813

Apr 12, 2021 by Enrico de Lazaro

A huge galaxy cluster called Abell 2813 has so much mass that it acts as a gravitational lens, causing light from more distant galaxies to bend around...

Four of the newfound quadruply-imaged quasars are shown here; from top left and moving clockwise, the objects are: GraL J1537-3010 or Wolf’s Paw; GraL J0659+1629 or Gemini’s Crossbow; GraL J1651-0417 or Dragon’s Kite; GraL J2038-4008 or Microscope Lens. The fuzzy dot in the middle of the images is the lensing galaxy, the gravity of which is splitting the light from the quasar behind it in such a way to produce four quasar images. Image credit: Gaia Gravitational Lenses group.

Astronomers Discover Twelve New Quadruply-Imaged Quasars

Apr 9, 2021 by News Staff

Astronomers from the Gaia Gravitational Lenses group have identified 12 quadruply-imaged gravitationally-lensed quasars using machine-learning methods...

An artist’s impression of an intermediate-mass black hole. Image credit: Sci-News.com.

Astronomers Use Gravitational Lensing Effect to Detect Intermediate-Mass Black Hole

Mar 30, 2021 by News Staff

A gravitationally lensed gamma-ray burst, designated GRB 950830, helped astronomers detect a black hole about 55,000 times more massive than the Sun. An...

This composite image, taken by the Very Large Array and Hubble, shows the galaxy cluster MACS J0717.5+3745. Pullout shows the distant galaxy J0717+3745, far beyond the cluster, and likely the faintest radio-emitting object ever detected. The prominent red-orange objects are radio relics -- large structures possibly caused by shock waves -- inside MACS J0717.5+3745. Image credit: Heywood et al. / Sophia Dagnello, NRAO / AUI / NSF / STScI.

Gravity of Giant Cluster Magnifies Light and Radio Waves from Distant Galaxy

Mar 17, 2021 by Enrico de Lazaro

The newly-discovered galaxy, named VLAHFF-J071736+374506 (J0717+3745 for short), is likely the faintest radio-emitting object yet found, according to astronomers...

An example of a gravitational lens found in the DESI Legacy Surveys data. There are four sets of lensed images in DESI-090.9854-35.9683, corresponding to four distinct background galaxies -- from the outermost giant red arc to the innermost bright blue arc, arranged in four concentric circles. All of them are gravitationally lensed by the orange galaxy at the very center. Image credit: NOIRLab.

Astronomers Discover 1,210 New Strong Gravitational Lenses

Jan 21, 2021 by News Staff

Using a deep residual neural network and data from the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys, astronomers have discovered...

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...

This Hubble image shows the strong-lensing galaxy cluster SDSS J0901+1814. The lensed star-forming galaxy LRG-3-817 is seen as a long arc to the left of the cluster’s central galaxy. The color image was made from separate exposures taken in the visible and infrared regions of the spectrum with Hubble’s Wide Field Camera 3 (WFC3). Five 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: Hubble / ESA / NASA / S. Allam et al.

Massive Cluster’s Gravity Magnifies Light from Extremely Distant Star-Forming Galaxy

Nov 9, 2020 by Enrico de Lazaro

SDSS J0901+1814, a giant galaxy cluster located 3.9 billion light-years away in the constellation of Cancer, is so massive that its gravity distorts and...

This Hubble image shows the massive galaxy cluster MACSJ 1206. Embedded within the cluster are the distorted images of distant background galaxies, seen as arcs and smeared features. These distortions are caused by the dark matter in the cluster, whose gravity bends and magnifies the light from faraway galaxies, an effect called gravitational lensing. This phenomenon allows astronomers to study remote galaxies that would otherwise be too faint to see. Overlaid on the image are small-scale concentrations of dark matter, represented in this artist’s impression in blue. Dark matter is the invisible glue that keeps stars bound together inside a galaxy and makes up the bulk of the matter in the Universe. These blue halos reflect how the galaxy cluster’s dark matter is distributed, revealed by new results from Hubble. Image credit: NASA / ESA / Hubble / G. Caminha, University of Groningen / M. Meneghetti, Observatory of Astrophysics and Space Science of Bologna / P. Natarajan, Yale University / CLASH Team / M. Kornmesser.

New Observations Suggest Missing Ingredient in Current Dark Matter Theories

Sep 11, 2020 by News Staff

The large mass of a galaxy cluster deflects light from background objects, a phenomenon known as gravitational lensing. The large-scale gravitational lens...

A reconstructed image of SPT-S J041839-4751.9. Image credit: ALMA / ESO / NAOJ / NRAO / Rizzo et al, doi: 10.1038/s41586-020-2572-6.

ALMA Finds Young Milky Way-Like Galaxy in Early Universe

Aug 13, 2020 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered an extremely distant galaxy that looks surprisingly like our...

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