Tag Archive for 'Active galactic nucleus'

Bohn et al. identified a new set of previously undetected star-forming regions that are heavily obscured by dust in a starburst ring in the barred spiral galaxy NGC 7469. The area of this image from Webb’s Near-Infrared Camera (NIRCam) is shown by a box in the image of NGC 7469 below. Image credit: Bohn et al., arXiv: 2209.04466

Webb Observes Powerful Starburst Ring in NGC 7469

Sep 14, 2022 by Natali Anderson

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered 36 new star-forming regions in a circumnuclear starburst ring in the barred...

This Hubble image shows the spiral galaxy NGC 3227 and the dwarf elliptical galaxy NGC 3226. Image credit: NASA / ESA / H. Ford, Johns Hopkins University / G. Kober, NASA’s Goddard Space Flight Center / Catholic University of America.

Hubble Sees Graceful Gravitational Dance of Two Galaxies

May 25, 2022 by Enrico de Lazaro

The Hubble team has released a stunning image of an intermediate spiral galaxy called NGC 3227 and its companion, the dwarf elliptical galaxy NGC 3226. This...

Growing, massive black holes reside in dwarf galaxies, where their radiation competes with the light of abundant young stars. Image credit: NASA / ESA / Hubble / M. Polimera.

Growing Massive Black Holes More Common in Dwarf Galaxies than Previously Thought

May 24, 2022 by News Staff

Using data from the REsolved Spectroscopy Of a Local VolumE (RESOLVE) and the Environmental COntext Catalog (ECO) surveys, astronomers have found evidence...

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,...

This images from the MUSE instrument on ESO’s Very Large Telescope shows the Seyfert 2 galaxy NGC 7582. Image credit: ESO / Juneau et al.

Galaxy Substructure Plays Important Role in How Active Black Holes Affect Their Galaxies: Study

Feb 9, 2022 by Enrico de Lazaro

Using images from the Multi Unit Spectroscopic Explorer (MUSE) instrument on ESO’s Very Large Telescope (VLT), astronomers have studied the effect of...

This Hubble image shows two interacting galaxies: NGC 169 (larger galaxy) and IC 1559. Image credit: NASA / ESA / Hubble / J. Dalcanton, Dark Energy Survey / DOE / FNAL / DECam / CTIO / NOIRLab / NSF / AURA / SDSS / Judy Schmidt, www.geckzilla.com.

Hubble Observes Interacting Galaxy Pair: Arp 282

Feb 8, 2022 by Enrico de Lazaro

A stunning new image from the NASA/ESA Hubble Space Telescope captures an ongoing interaction between two active galaxies in the Arp 282 system. This Hubble...

Several instruments joined forces to produce this image of the G237 protocluster, identifying its galaxies in different colors representing different wavelengths of observations. The image on the right zooms in on the central region of G237. Image credit: ESA / Herschel / XMM-Newton / NASA / Spitzer / NAOJ / Subaru / Large Binocular Telescope / ESO / VISTA / Polletta et al. / Koyama et al.

New Galaxy Protocluster Discovered in Early Universe

Oct 28, 2021 by News Staff

The newly-discovered protocluster, named PHz G237.01+42.50 (G237 for short), contains over 60 members, including blue star-forming galaxies and active...

This Hubble image shows the active barred spiral galaxy NGC 5728. 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). Four 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 / Riess et al. / J. Greene.

Hubble Looks at Active Spiral Galaxy: NGC 5728

Sep 27, 2021 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has taken the most detailed image so far of a barred spiral galaxy called NGC 5728. This Hubble image shows the active...

Roth et al. present a calculation of the contribution of star-forming galaxies to the gamma-ray background. Image credit: NASA.

Star-Forming Galaxies Explain ‘Empty Sky’ Gamma-Rays: Study

Sep 16, 2021 by News Staff

Until now, it has been unclear what created gamma-rays that appear in patches of seemingly ‘empty sky.’ Roth et al. present a calculation of the contribution...

This artist’s impression shows how ULAS J1120+0641, a very distant quasar powered by a black hole with a mass two billion times that of the Sun, may have looked. Image credit: M. Kornmesser / ESO.

Quasars are Standardizable Cosmic Candles, Astronomers Say

Sep 14, 2021 by News Staff

Using spectral data from the Sloan Digital Sky Survey (SDSS), the Chandra Source Catalog 2.0, and the Chandra COSMOS Legacy survey, astronomers have found...

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 —...

The new highest resolution EHT image of the Centaurus A’s jet launching region. Image credit: R. Bors / CSIRO / ATNF / Feain et al. / Morganti et al. / Junkes et al. / ESO / WFI / MPIfR / APEX / Weiß et al. / NASA / CXC / CfA / Kraft et al. / TANAMI / Müller et al. / EHT / Janssen et al.

Event Horizon Telescope Captures Image of Centaurus A’s Black Hole Jet

Jul 20, 2021 by Natali Anderson

Astronomers from the Event Horizon Telescope (EHT) Collaboration have imaged a jet in the heart of the nearby radio galaxy Centaurus A and identified the...

Sloan Digital Sky Survey archival image from March 2004 (left) and the image from the observation campaign of B2 1420+32 taken by Mishra et al. in January 2020 using ASAS-SN (right); the blazar’s brightness increased by a factor of 100. Image credit: SDSS / Mishra et al., doi: 10.3847/1538-4357/abf63d.

‘Changing-Look’ Blazar Spotted 6.3 Billion Light-Years Away

Jun 14, 2021 by News Staff

Astronomers have performed photometric and spectroscopic observations of B2 1420+32, a blazar with a collection of ‘changing-look’ features. Sloan...

This Hubble image shows NGC 5037, a spiral galaxy some 91 million light-years away in the constellation of Virgo. Image credit: NASA / ESA / Hubble / D. Rosario / L. Shatz.

Hubble Looks at Stunning Spiral Galaxy: NGC 5037

May 24, 2021 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has taken a picture of the nearly edge-on spiral galaxy NGC 5037. This Hubble image shows NGC 5037, a spiral galaxy...

This image shows Markarian 739, a pair of merging galaxies some 425 million light-years away in the constellation of Leo. Image credit: ESO / Tubín et al., doi: 10.3847/1538-4357/abedba.

Astronomers Observe Nearby Galaxy with Two Bright Cores

Apr 27, 2021 by Enrico de Lazaro

Astronomers using the Multi Unit Spectroscopic Explorer (MUSE) instrument on ESO’s Very Large Telescope (VLT) have performed spectroscopic observations...

This artist’s conception shows the brilliant light of two quasars residing in the cores of two galaxies that are in the chaotic process of merging. Image credit: NASA / ESA / J. Olmsted, STScI.

Astronomers Discover Two Very Distant Double Quasars

Apr 7, 2021 by News Staff

The two newly-discovered pairs of quasars, J0749+2255 and J0841+4825, existed 10 billion years ago and resided in the cores of merging galaxies, according...

This image shows the giant radio galaxy MGTC J095959.63+024608.6; in the background is the sky as seen in optical light; overlaid in red is the radio light from the giant radio galaxy, as seen by MeerKAT. Image credit: I. Heywood, University of Oxford / Rhodes University / South African Radio Astronomy Observatory / CC BY 4.0.

Two New Giant Radio Galaxies Discovered

Jan 20, 2021 by News Staff

Astronomers using the MeerKAT radio telescope at the South African Radio Astronomy Observatory in Cape Town, South Africa, have discovered two new radio...

A supermassive black hole siphons gas off of an orbiting giant star. Image credit: NASA’s Goddard Space Flight Center / Chris Smith, USRA & GESTAR.

Astronomers Find Periodically Flaring Black Hole in Distant Galaxy

Jan 13, 2021 by News Staff

An active galactic nucleus in the center of ESO 253-G003, an active galaxy over 570 million light-years away in the southern constellation of Pictor, erupts...

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 Hubble image of the nearby active galaxy IC 5063 reveals a mixture of bright rays and dark shadows coming from the blazing core, home of a supermassive black hole. Image credit: Credits: NASA / ESA / Hubble / STScI / W.P. Maksym, CfA.

Hubble Spots Shadow of Supermassive Black Hole’s Torus in IC 5063

Nov 23, 2020 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope have observed spectacular large-scale dark and light rays beaming out of the bright center of IC...

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