Tag Archive for 'Binary star'

This artist’s impression shows NGC 1850 BH1 and a massive star orbiting it. The distortion of the star’s shape is due to the strong gravitational force exerted by the black hole. Image credit: M. Kornmesser / ESO.

Astronomers Detect Stellar-Mass Black Hole in Large Magellanic Cloud

Nov 12, 2021 by Natali Anderson

Astronomers using the Multi Unit Spectroscopic Explorer (MUSE) instrument on ESO’s Very Large Telescope have discovered a low-mass black hole in the...

Graphical table of all gravitational wave events discovered from 2015 through the end of LIGO/Virgo’s third observing run. The table includes the gravitational event name, the type of binary component (black hole, neutron star, or uncertain), the masses of the primary and secondary, and the mass of the final merged object. Image credit: LIGO / Virgo / KAGRA / C. Knox / H. Middleton.

Astrophysicists Detect 35 New Gravitational-Wave Events

Nov 10, 2021 by News Staff

Astrophysicists from the LIGO-Virgo-KAGRA Collaboration have detected a further 35 gravitational waves since the last catalog release in October 2020,...

This Hubble image shows NGC 1535, a planetary nebula located 5,500-7,500 light-years away in the constellation of Eridanus. Image credit: NASA / ESA / Bond et al. / Gladys Kober, NASA & Catholic University of America.

Hubble Sees Cleopatra’s Eye Nebula

Nov 5, 2021 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has captured this vivid image of NGC 1535, or the Cleopatra’s Eye Nebula. This Hubble image shows NGC 1535, a planetary...

An artist’s impression of the binary system MAXI J1820+070. Image credit: John Paice.

Warped Accretion Disk Spotted around Stellar-Mass Black Hole

Oct 28, 2021 by News Staff

Variations in the brightness of light seen from around a stellar-mass black hole in the binary system MAXI J1820+070 were caused by a huge warp in its...

An artist’s impression of a white dwarf -- in this case a white dwarf in the MV Lyrae system -- accreting as it draws in material from a companion star. Image credit: Helena Uthas.

TESS Finds Pulsating White Dwarf in TW Pictoris System

Oct 19, 2021 by News Staff

The white dwarf observed by NASA’s Transiting Exoplanet Survey Satellite (TESS) is a member of the binary system TW Pictoris and is known to be accreting...

Red dwarfs flare actively and expel particles that can alter and evaporate the atmospheres of planets in their orbit. Image credit: Leibniz Institute for Astrophysics Potsdam / J. Fohlmeister.

LOFAR Detects Coherent Radio Emission from 19 Red Dwarfs

Oct 13, 2021 by News Staff

Astronomers using the Low Frequency Array (LOFAR), a large radio telescope network located mainly in the Netherlands, have detected coherent low-frequency...

This ALMA image shows the shadow of the innermost ring on the rest of the circumtriple protoplanetary disk around GW Orionis. Image credit: ALMA / ESO / NAOJ / NRAO / University of Exeter / Kraus et al.

Massive Planets May Be Orbiting Young Triple Star GW Orionis

Oct 4, 2021 by Natali Anderson

Astronomers have found strong evidence of a massive planet (or planets) — the first planet(s) in a circumtriple orbit — in a hierarchical triple...

Fast-moving debris from a supernova explosion triggered by a stellar collision in the VT 1210+4956 system crashes into material thrown out earlier, and the shocks cause bright radio emission seen by the VLA. Image credit: Bill Saxton / NRAO / AUI / NSF.

Compact Object Collision with Companion Star Triggers Supernova Event

Sep 2, 2021 by News Staff

Using data collected by the Very Large Array Sky Survey (VLASS), astronomers have found evidence that a compact object — a black hole or neutron...

An artist’s impression of brown dwarf-like objects around TOI-148, TOI-587, TOI-681, and TOI-746b. Image credit: Roger Thibaut.

Astronomers Find Five Brown Dwarf-Like Objects with Masses near Hydrogen-Burning Limit

Aug 27, 2021 by News Staff

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and ground-based telescopes, astronomers have discovered five transiting companions...

This composite image features a spectacular set of eight separate concentric rings around a black hole in the V404 Cygni binary system, captured using NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The image also contains optical data from the Pan-STARRS telescope in Hawaii that show the stars in the field of view. Image credit: NASA / CXC / University of Wisconsin-Madison / Heinz et al. / Pan-STARRS.

Astronomers Spot Giant X-Ray Rings around Stellar-Mass Black Hole

Aug 9, 2021 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory have detected a set of eight X-ray rings around a low-mass black...

An artist’s impression of HD 265435, a binary system located approximately 1,500 light-years away in the constellation of Gemini. Image credit: Mark Garlick / University of Warwick.

HD 265435 Will Explode as Type Ia Supernova in 70 Million Years, Astronomers Say

Jul 13, 2021 by News Staff

HD 265435 is a binary system with an orbital period of around 100 min that consists of a white dwarf and a hot subdwarf star. An artist’s impression...

This illustration depicts an exoplanet partially hidden in the glare of its host star and a nearby companion star. Image credit: Gemini Observatory / NOIRLab / NSF / AURA / J. da Silva.

Earth-Sized Exoplanets May Be More Common than Previously Thought

Jul 5, 2021 by News Staff

In a study to be published in the Astronomical Journal, astronomers found that many exoplanet-hosting stars identified by NASA’s Transiting Exoplanet...

An artist’s impression of a black hole-neutron star merger. Image credit: Carl Knox, OzGrav & Swinburne University.

Astronomers Detect Gravitational Waves from Black Hole-Neutron Star Collisions

Jun 29, 2021 by News Staff

Astronomers using NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) in the United States and by the Virgo detector in Italy have observed...

An artist’s impression of the VVV-WIT-08 binary system. Image credit: Amanda Smith, University of Cambridge.

Giant ‘Blinking’ Star Spotted in Milky Way’s Central Region

Jun 11, 2021 by News Staff

A giant star called VVV-WIT-08 exhibited a smooth, eclipse-like drop in brightness to a depth of 97% in 2012; minimum brightness occurred in April 2012...

TESS Discovers Jupiter-Sized Exoplanet around Ancient Binary Star

May 24, 2021 by Natali Anderson

The newfound circumbinary planet, named TIC 172900988b, is slightly larger than Jupiter and transits both of its host stars, according to a paper to be...

The first artist’s illustration shows a key part of the process that created this new black hole, as the two neutron stars spin around each other while merging. The purple material depicts debris from the merger. Image credit: NASA / CXC / M.Weiss.

Black Hole-Neutron Star Mergers May Help Precisely Measure Universe’s Rate of Expansion

Apr 29, 2021 by News Staff

Gravitational-wave and electromagnetic observations of neutron-star-black-hole mergers can provide precise local measurements of the Universe’s rate...

This Hubble image shows the Necklace Nebula, a planetary nebula some 15,000 light-years away in the constellation of Sagitta. Image credit: NASA / ESA / Hubble / K. Noll.

Hubble Captures New Image of Necklace Nebula

Apr 26, 2021 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has captured a striking new photo of a planetary nebula called the Necklace Nebula. This Hubble image shows the Necklace...

An artist’s impression of the V723 Mon binary system. Image credit: Lauren Fanfer / Ohio State University.

Astronomers Discover Closest Known Black Hole Candidate

Apr 22, 2021 by News Staff

The newly-discovered stellar-mass black hole candidate is a binary companion to a nearby red giant called V723 Mon. An artist’s impression of the V723...

A burst from FRB 180916 arrives at the LOFAR telescope; the higher frequency radio waves (purple) arrive earlier than the lower frequency radio waves (red); the inset shows an optical image from the host galaxy of the fast radio burst source and the position of the source in the host galaxy. Image credit: D. Futselaar / S.P. Tendulkar / ASTRON.

LOFAR Detects Lowest-Frequency Fast Radio Bursts to Date

Apr 16, 2021 by Enrico de Lazaro

Using the Low-Frequency Array (LOFAR), astronomers from the Canadian Hydrogen Intensity Mapping Experiment (CHIME) have found that fast radio bursts include...

This artist’s concept shows a hypothetical aquaplanet around the binary star system of Kepler-35. Image credit: NASA / JPL-Caltech.

Astronomers Identify Five Multiple Star Systems with Permanent Habitable Zone

Apr 15, 2021 by Sergio Prostak

Kepler-34, Kepler-35, Kepler-38, Kepler-64 and Kepler-413 — multiple star systems located between 2,764 and 5,933 light-years away in the constellations...

«‹3 456 7 ›»