Tag Archive for 'VLTI'

This image, taken by the GRAVITY instrument on ESO’s Very Large Telescope Interferometer, shows the red supergiant WOH G64. Image credit: ESO / Ohnaka et al., doi: 10.1051/0004-6361/202451820.

VLTI Captures Detailed Image of Red Supergiant in Large Magellanic Cloud

Nov 21, 2024 by News Staff

Astronomers using ESO’s Very Large Telescope Interferometer (VLTI) have captured a zoomed-in image of the dust-enshrouded red supergiant star WOH G64. This...

This image, taken with ESO’s VLT Survey Telescope, shows the beautiful nebula NGC 6164/6165. The nebula is a cloud of gas and dust surrounding a pair of stars called HD 148937. Image credit: ESO / VPHAS+ Team / CASU.

Astronomers Observe Result of Violent Stellar Merger

Apr 11, 2024 by News Staff

Most stellar magnetic fields — including the Sun’s — are produced by a dynamo that is generated in interior layers undergoing convection....

The view of the Galactic center observed with the NIRC2 instrument on the Keck II telescope at the W.M. Keck Observatory. This image is high-pass filtered and shows the position of several S stars close to Sgr A*, which is indicated by a black cross. The star in the white dashed circle shows a magnitude of 16.3 mag, while the star in the blue circle is 17 mag faint. Here north is up and east is to the left. Image credit: Peissker et al., doi: 10.3847/1538-4357/ac752f.

Fast-Moving Star Orbits Milky Way’s Central Black Hole in Just Four Years

Jul 6, 2022 by Natali Anderson

The newly-found star, named S4716, reaches a speed of 8,000 km/sec and comes as close as 98 astronomical units (AU) to Sagittarius A*, a supermassive black...

An artist’s impression of HR 6819, a close binary consisting of a stripped B-type star (background) and a rapidly rotating Be star (foreground). Image credit: ESO / L. Calçada.

HR 6819 is Binary System with No Black Hole, Astronomers Say

Mar 4, 2022 by News Staff

HR 6819, a highly intriguing object that was recently proposed as a multiple system containing a stellar-mass black hole, is in fact a binary star system...

Astronomers Find Obscuring Dust Ring around Supermassive Black Hole in Messier 77

Feb 17, 2022 by News Staff

Astronomers using the Multi AperTure mid-Infrared SpectroScopic Experiment (MATISSE) on ESO’s Very Large Telescope Interferometer have spotted a dense,...

In this illustration of the center of the Milky Way, stars are seen to be in close orbit around Sagittarius A*. Image credit: Gemini Observatory / NOIRLab / NSF / AURA / J. da Silva, Spaceengine / M. Zamani, NOIRLab.

Astrophysicists Make Most Precise Measurement Yet of Milky Way’s Central Black Hole Mass

Dec 15, 2021 by News Staff

Sagittarius A*, supermassive black hole at the center of our Milky Way Galaxy, has a mass of 4.3 million times that of the Sun, according to an analysis...

This artist’s impression was generated using an image of Betelgeuse from 2019 taken with the SPHERE instrument on ESO’s Very Large Telescope. Image credit: ESO / NASA / ESA / Hubble / M. Kornmesser.

Dust Cloud Caused Betelgeuse’s Great Dimming Event, Astronomers Say

Jun 17, 2021 by News Staff

Betelgeuse, which is located roughly 724 light-years away in the constellation of Orion, is the second-closest red supergiant to Earth. From November 2019...

This image shows Beta Pictoris b and c embedded in the dusty disk around Beta Pictoris. Image credit: Axel Quetz / MPIA Graphics Department.

Astronomers Directly Image Gas-Giant Exoplanet Beta Pictoris c

Oct 7, 2020 by Natali Anderson

Astronomers using ESO’s Very Large Telescope Interferometer have captured the first direct images of the recently-discovered giant planet Beta Pictoris...

Kluska et al provided model-independent reconstructed images of 15 protoplanetary disks selected from the Herbig AeBe survey carried out with PIONIER at the Very Large Telescope Interferometer. Image credit: Kluska et al, doi: 10.1051/0004-6361/201833774.

Astronomers Observe Inner Rims of Protoplanetary Disks around Young Massive Stars

Apr 30, 2020 by News Staff

Astronomers using the PIONIER (Precision Integrated-Optics Near-infrared Imaging ExpeRiment) instrument on ESO’s Very Large Telescope Interferometer...

This artist’s impression shows HR 8799e. Image credit: L. Calçada / ESO.

GRAVITY Reveals Details of Storm-Wracked HR 8799e using Optical Interferometry

Mar 28, 2019 by News Staff

ESO’s GRAVITY instrument, a second generation imaging instrument installed on the Very Large Telescope Interferometer, has made the first direct observation...

This visualization uses data from simulations of orbital motions of gas swirling around at about 30% of the speed of light on a circular orbit around the supermassive black hole. Image credit: ESO / GRAVITY Collaboration / L. Calçada.

Astronomers Observe Interstellar Material Orbiting Close to Milky Way’s Central Black Hole

Oct 31, 2018 by News Staff

Astronomers using the GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI) have detected flares of infrared radiation coming from the...

This image shows a distant and pulsating giant star known as R Sculptoris. Image credit: M. Wittkowski / ESO.

Giant Star R Sculptoris Sheds Its ‘Skin’

Feb 19, 2018 by Enrico de Lazaro

Astronomers have discovered that a giant star called R Sculptoris is surrounded by giant ‘clumps’ of stellar dust that are peeling away from the shedding...

This colorful image shows the sky around the bright pair of stars π1 Gruis (center-right, very red) and π2 Gruis (center-left, bluish-white). Just right of center the bright spiral galaxy IC 5201 is also visible and many other fainter galaxies are scattered across this wide-field image from the Digitized Sky Survey 2. Image credit: ESO / Digitized Sky Survey 2 / Davide De Martin.

Astronomers Observe Huge ‘Granules’ on Surface of Red Giant Star

Dec 29, 2017 by News Staff

An international team of scientists led by ESO astronomer Claudia Paladini has directly observed granules — patterns of convection currents in the...

Astronomers Take Closer Look at Supergiant Binary Star HR 5171

Oct 5, 2017 by News Staff

Astronomers using ESO’s Very Large Telescope Interferometer (VLTI) have captured striking images of HR 5171, a unique binary stellar system in the constellation...

This is the most detailed image ever of the red supergiant star Antares, or any other star apart from the Sun. Image credit: K. Ohnaka / ESO.

Antares: Astronomers Snap Most Detailed Image of Star That’s Not the Sun

Aug 23, 2017 by News Staff

An international team of astronomers from Chile and Germany has managed to capture an image of unprecedented detail of another star — that isn’t...

This mosaic shows the Carina Nebula (left part of the image), home of the Eta Carinae stellar system. This part was observed with the MPG/ESO 2.2-m telescope at ESO’s La Silla Observatory. The middle part shows the direct surrounding of the star system: the Homunculus Nebula, created by the ejected material from the Eta Carinae system. This image was taken with ESO’s Very Large Telescope. The right image shows the innermost part of the system as seen with ESO’s Very Large Telescope Interferometer/ It is the highest resolution image of Eta Carinae ever. Image credit: Gerd Weigelt / ESO.

Eta Carinae Imaged in Sharpest Detail Ever

Oct 19, 2016 by News Staff

Astronomers using ESO’s Very Large Telescope Interferometer (VLTI) in Chile have snapped the most detailed image ever of the Eta Carinae stellar system. This...

VLTI Captures Best-Ever View of Old Star’s Dusty Disc

Mar 9, 2016 by News Staff

ESO’s Very Large Telescope Interferometer (VLTI) at Paranal Observatory, Chile, has taken the sharpest image ever seen of the disc of gas and dust around...

This artist's view from an imagined planet around a nearby star shows the brilliant glow of exozodiacal light extending up into the sky and swamping the Milky Way. Image credit: ESO / L. Calçada.

Scientists Detect Exozodiacal Light around Nine Nearby Stars

Nov 4, 2014 by News Staff

Astronomers using ESO’s Very Large Telescope Interferometer (VLTI) have discovered exozodiacal light – starlight reflected from dust created as...

HR 5171A: Astronomers Discover Largest Yellow Hypergiant Star

Mar 12, 2014 by News Staff

An international team of scientists using the Very Large Telescope Interferometer has discovered the largest known yellow hypergiant star in our Galaxy. This...

Astrophysicists Observe How Black Holes Are Fueled

May 18, 2012 by James Freeman

By combining the light of three powerful infrared telescopes, an international team of astrophysicists has observed the active accretion phase of a supermassive...