Title |
Date |
The Iron Grip of the Black Hole in NGC 4151 |
![XRISM/Resolve spectrum of emission from near the central black hole in NGC4151 XRISM/Resolve spectrum of emission from near the central black hole in NGC4151](/Images/objects/heapow/active_galaxies/ngc4151_xrism_small.jpg) |
May 20, 2024 |
A Quasar Under the Influence |
![Composite X-ray, and radio image of quasar H1821+643 Composite X-ray, and radio image of quasar H1821+643](/Images/objects/heapow/active_galaxies/H1821_chandra_small.jpg) |
April 15, 2024 |
UFOs Surrounding a Black Hole |
![XMM and NuSTAR combined quasar X-ray spectrum and artist impression of a quasar wind XMM and NuSTAR combined quasar X-ray spectrum and artist impression of a quasar wind](/Images/objects/heapow/active_galaxies/qsrwind_nustar_small.jpg) |
August 7, 2023 |
The Sword of the Centaur |
![False color high-resolution X-ray image of Centaurus A from the Chandra X-ray Observatory False color high-resolution X-ray image of Centaurus A from the Chandra X-ray Observatory](/Images/objects/heapow/active_galaxies/cena_chandra23_small.jpg) |
May 22, 2023 |
Hot as H |
![Chandra X-ray, radio and optical image of M84 showing X-ray cavities evacuated by the radio jet from the supermassive black hole Chandra X-ray, radio and optical image of M84 showing X-ray cavities evacuated by the radio jet from the supermassive black hole](/Images/objects/heapow/active_galaxies/m84cavities_chandra_small.jpg) |
May 15, 2023 |
A Voracious Galaxy? |
![Multi-wavelength image of 3C297, a surprisingly lonely galaxy Multi-wavelength image of 3C297, a surprisingly lonely galaxy](/Images/objects/heapow/active_galaxies/3c297_comp_small.jpg) |
April 10, 2023 |
Building Bigger Black Holes |
![Pairs of interacting dwarf galaxies containing active black holes Pairs of interacting dwarf galaxies containing active black holes](/Images/objects/heapow/active_galaxies/bhmergers_chandra_small.jpg) |
March 13, 2023 |
The Bright Dawn of Neutrino Astronomy |
![Illustration of the IceCube Neutrion Observatory in Antarctica Illustration of the IceCube Neutrion Observatory in Antarctica](/Images/objects/heapow/active_galaxies/ngc1068_icecube_small.jpg) |
November 28, 2022 |
Disk Dynamo |
![Artist impression of a changing accretion disk around a supermassive black hole Artist impression of a changing accretion disk around a supermassive black hole](/Images/objects/heapow/active_galaxies/bhmagrev_swift_small.jpg) |
May 9, 2022 |
Pushing Strings |
![Multiwavelength view of the Perseus A active galaxy Multiwavelength view of the Perseus A active galaxy](/Images/objects/heapow/active_galaxies/perseusA_alps_small.jpg) |
August 30, 2021 |
What's Happening Behind a Black Hole? |
![Illustration of X-ray echoes from behing a black hole Illustration of X-ray echoes from behing a black hole](/Images/objects/heapow/active_galaxies/bhreverb_xmm_small.jpg) |
August 2, 2021 |
Looking Hard to Find Black Holes |
![Illustration depicting a black hole inside a donut-shaped ring of gas and dust. Illustration depicting a black hole inside a donut-shaped ring of gas and dust.](/Images/objects/heapow/active_galaxies/cdfsagn_nustar_small.jpg) |
July 5, 2021 |
Come Together |
![X-ray and optical images of merging galaxies X-ray and optical images of merging galaxies](/Images/objects/heapow/active_galaxies/dualagn_chandra_small.jpg) |
February 15, 2021 |
Surviving a Black Hole |
![Artist illustration connecting a black hole corona to a black hole jet Artist illustration connecting a black hole corona to a black hole jet](/Images/objects/heapow/active_galaxies/bhcorona_chandra_small.jpg) |
November 9, 2020 |
The Changeling |
![Illustration of the disruption of an accretion disk around a black hole by a passing star; inset: X-ray lightcurve Illustration of the disruption of an accretion disk around a black hole by a passing star; inset: X-ray lightcurve](/Images/objects/heapow/active_galaxies/agndip_nicer_small.jpg) |
July 20, 2020 |
Jet Engine |
![Composite X-ray/optical/radio image of active galaxy 4C+29.30 Composite X-ray/optical/radio image of active galaxy 4C+29.30](/Images/objects/heapow/active_galaxies/4c2930_chandra_small.jpg) |
June 1, 2020 |
Building a New Jet |
![Infrared image of the collision of the active galaxy TXS 2116�077 (right) and a companion galaxy (left), with X-ray contours Infrared image of the collision of the active galaxy TXS 2116�077 (right) and a companion galaxy (left), with X-ray contours](/Images/objects/heapow/active_galaxies/TXS_2116-077_small.jpg) |
April 13, 2020 |
Out of the Heart of Darkness |
![X-ray (purple), optical and radio image of Hercules A X-ray (purple), optical and radio image of Hercules A](/Images/objects/heapow/active_galaxies/herA_chandra_small.jpg) |
April 6, 2020 |
Warp Factor 6? |
![M87 lightspeed jet M87 lightspeed jet](/Images/objects/heapow/active_galaxies/m87_chandra20_small.jpg) |
January 27, 2020 |
Birth by Black Hole |
![Positive Black Hole Feedback seen by CXO, JVLA and HST Positive Black Hole Feedback seen by CXO, JVLA and HST](/Images/objects/heapow/active_galaxies/bhfeedback_chandra_small.jpg) |
January 6, 2020 |
ChandraXX: Jet Takeoff |
![Chandra image of the inner jet in the active galaxy 3c273 Chandra image of the inner jet in the active galaxy 3c273](/Images/objects/heapow/active_galaxies/3c273_chandraXX_small.jpg) |
September 9, 2019 |
Tempest in a Teacup |
![X-ray, optical and radio image of the Teacup galaxy X-ray, optical and radio image of the Teacup galaxy](/Images/objects/heapow/active_galaxies/teacup_xmm_small.jpg) |
April 29, 2019 |
Ricochet |
![Ricochet of an X-ray Jet in Cyg A Ricochet of an X-ray Jet in Cyg A](/Images/objects/heapow/active_galaxies/cyga_chandra_small.jpg) |
February 11, 2019 |
The Growing Darkness |
![Chandra Legacy COSMOS Survey Chandra Legacy COSMOS Survey](/Images/objects/heapow/active_galaxies/cosmos_chandra_small.jpg) |
January 7, 2019 |
Jet Speed |
|
August 6, 2018 |
Ghost Rider in the Sky |
|
July 16, 2018 |
A Black Hole Ablaze |
|
April 9, 2018 |
Mysterious Travelers from Beyond the Milky Way |
|
September 25, 2017 |
The Broad View |
|
August 7, 2017 |
Growing Your Own Black Hole |
|
May 15, 2017 |
A Big Hole in a Small Galaxy |
![Discovery Channel Telescope of galaxy merger Was 49 Discovery Channel Telescope of galaxy merger Was 49](/Images/objects/heapow/active_galaxies/was49_nustar_small.jpg) |
April 17, 2017 |
The Origin of UFOs? |
![XMM Newton X-ray spectrum of AGN showing dependence of fast outflow on X-ray brightness XMM Newton X-ray spectrum of AGN showing dependence of fast outflow on X-ray brightness](/Images/objects/heapow/active_galaxies/ufo_xmm2_small.jpg) |
April 10, 2017 |
Giant Black Holes in a Baby Universe |
![Five Extreme Fermi Gamma-ray Blazars Five Extreme Fermi Gamma-ray Blazars](/Images/objects/heapow/active_galaxies/extremeblazars_fermi_small.jpg) |
February 6, 2017 |
Monsters Under the Bed |
![NuSTAR detection of supermassie black hole in NGC 1448 NuSTAR detection of supermassie black hole in NGC 1448](/Images/objects/heapow/active_galaxies/ngc1448_nustar_small.jpg) |
January 23, 2017 |
Dieting |
![VLT optical and Chandra X-ray image of Markarian 1018 VLT optical and Chandra X-ray image of Markarian 1018](/Images/objects/heapow/active_galaxies/mrk1018_chandra_small.jpg) |
November 21, 2016 |
Background Investigation |
![NuSTAR studies the hard X-ray Background NuSTAR studies the hard X-ray Background](/Images/objects/heapow/active_galaxies/BHchoir_nustar_small.jpg) |
August 15, 2016 |
An Ancient Jet |
![Artistic rendition of a superwind from the center of a spiral galaxy Artistic rendition of a superwind from the center of a spiral galaxy](/Images/objects/heapow/active_galaxies/galwind_xmm_small.jpg) |
March 14, 2016 |
An Ancient Jet |
![Ancient X-ray jet from an active, supermassive black hole Ancient X-ray jet from an active, supermassive black hole](/Images/objects/heapow/active_galaxies/B30727_chandra_small.jpg) |
March 7, 2016 |
"Dualing" Black Holes |
![Chandra and HST image of SDSS J1126+2944 Chandra and HST image of SDSS J1126+2944](/Images/objects/heapow/active_galaxies/SDSSJ1126_chandra_small.jpg) |
February 8, 2016 |
Lumpy Donut |
![Active galazy NGC 1068 and artist rendering of ita central black hole Active galazy NGC 1068 and artist rendering of ita central black hole](/Images/objects/heapow/active_galaxies/ngc1068_nustar_small.jpg) |
December 21, 2015 |
Little Big Hole |
![Optical image of RGG 118; inset: X-rays from the central black hole Optical image of RGG 118; inset: X-rays from the central black hole](/Images/objects/heapow/active_galaxies/RGG118_chandra_small.jpg) |
August 17, 2015 |
Time to Make the Donut? |
![Hyperfeeding supermassive black holes in AGN detected by the Chandra X-ray Observatory Hyperfeeding supermassive black holes in AGN detected by the Chandra X-ray Observatory](/Images/objects/heapow/active_galaxies/smbhaccretion_chandra_small.jpg) |
May 25, 2015 |
UFOs Surrounding a Black Hole |
![XMM and NuSTAR combined quasar X-ray spectrum and artist impression of a quasar wind XMM and NuSTAR combined quasar X-ray spectrum and artist impression of a quasar wind](/Images/objects/heapow/active_galaxies/qsrwind_nustar_small.jpg) |
February 23, 2015 |
Clouds from Both Sides Now |
![Simulation of AGN clouds seen by RXTE Simulation of AGN clouds seen by RXTE](/Images/objects/heapow/active_galaxies/agnclouds_rxte_small.jpg) |
April 7, 2014 |
Deep Into Cen A |
![Chandra 9-day look at Cen A](/Images/objects/heapow/active_galaxies/cenamega_chandra_small.jpg) |
February 10, 2014 |
Through a Lens Brightly |
![Fermi Gammay-Ray Time Delay from a gravitational lens system](/Images/objects/heapow/active_galaxies/fermi_lens_small.jpg) |
January 20, 2014 |
Brightening Near the Heart of Blackness |
![VLBA and Fermi observations of a gamma-ray flare in 4C +71.07](/Images/objects/heapow/active_galaxies/4c71_fermi_vlba_small.jpg) |
January 16, 2013 |
Giant Jet |
![Composite image of the most distant X-ray jet known](/Images/objects/heapow/active_galaxies/GB1428_jet_small.jpg) |
December 3, 2012 |
Echolocating a Black Hole |
![Artist view of active nucleus of NGC 4151 with solar system orbits for scale](/Images/objects/heapow/active_galaxies/ngc4151_reverb_small.jpg) |
June 4, 2012 |
What Cen A Ate |
![Herschel IR and XMM X-ray image of Centaurus A](/Images/objects/heapow/active_galaxies/cena_xir_small.jpg) |
April 16, 2012 |
UFOs from AGN |
![Artist Rendition of an ultra-fast outflow near an AGN](/Images/objects/heapow/active_galaxies/ufo_xmm_small.jpg) |
March 5, 2012 |
Black Hole Burps |
![Multiwavelength Campaign of Observations of the AGN MRK 509](/Images/objects/heapow/active_galaxies/mrk509_campaign_small.jpg) |
October 10, 2011 |
Double Super |
![X-ray and optical image of NGC 3393](/Images/objects/heapow/active_galaxies/ngc3393_chandra_small.jpg) |
September 5, 2011 |
Parsing the Background |
![makeup of the CXB](/Images/objects/heapow/active_galaxies/swift_cxb_small.jpg) |
January 31, 2011 |
Go Jets |
![composite X-ray and radio images study of the jet in Cen A.](/Images/objects/heapow/active_galaxies/cenajet_chandra_small.jpg) |
January 17, 2011 |
Growing Black Holes |
![composite X-ray and optical images of galaxies used in a recent study of supermassive black holes](/Images/objects/heapow/active_galaxies/smbhsurvey_chandra_small.jpg) |
January 3, 2011 |
The Extremely High Energy Extragalactic Sky |
![Number of very high energy extragalactic sources vs. time](/Images/objects/heapow/active_galaxies/vhe_agn_small.jpg) |
August 30, 2010 |
Turned on By the Bump |
![BAT detected AGN](/Images/objects/heapow/active_galaxies/agn_bat_small.jpg) |
May 31, 2010 |
Boosting the Background |
![Composite image of Cen A](/Images/objects/heapow/active_galaxies/cena_fermi_small.jpg) |
April 5, 2010 |
Blowback |
![X-ray, optical and radio composite image of NGC 1068](/Images/objects/heapow/active_galaxies/ngc1068_chandra_small.jpg) |
March 8, 2010 |
Togetherness |
![X-ray and optical image of a quasar-quasar collision](/Images/objects/heapow/active_galaxies/binaryquasar_chandra_small.jpg) |
February 15, 2010 |
Blazing |
![Brightest ever Gamma-ray blazar](/Images/objects/heapow/active_galaxies/3c454.3_fermi_small.jpg) |
December 14, 2009 |
Cavities with Iron Fillings |
![Chandra image of Hydra galaxy cluster](/Images/objects/heapow/active_galaxies/hydra_chandra_small.jpg) |
September 21, 2009 |
Speed Gun |
![Chandra, HST and VLA images of M87 jet](/Images/objects/heapow/active_galaxies/m87jet_chandra_small.jpg) |
July 6, 2009 |
Faster than a Speeding Photon? |
![XMM-Newton image of M87 jets](/Images/objects/heapow/active_galaxies/m87jets_xmm_small.jpg) |
June 15, 2009 |
A Cry from Long Ago |
![Chandra, MERLIN and SDSS composite of HDF 130](/Images/objects/heapow/active_galaxies/hdf_cxo_small.jpg) |
June 1, 2009 |
Sparks after the Collision |
![Chandra image of jet from Cen A](/Images/objects/heapow/active_galaxies/cena_chandra_small.jpg) |
February 16, 2009 |
No Static at All |
![FRI Galaxies in X-ray and radio](/Images/objects/heapow/active_galaxies/lowpowerradio_xmm_small.jpg) |
September 15, 2008 |
Jet Power |
![Composite of Cen A](/Images/objects/heapow/active_galaxies/cena_composite_small.jpg) |
March 17, 2008 |
Intergalactic Battle |
![3C321 jet hitting neighbor galaxy](/Images/objects/heapow/active_galaxies/3c321_multi_small.jpg) |
December 24, 2007 |
Far and Away |
![INTEGRAL/Swift detection of distant AGN](/Images/objects/heapow/active_galaxies/igr22517_integral_small.jpg) |
November 12, 2007 |
Growing Trouble |
![Chandra images of AGN in galaxy clusters](/Images/objects/heapow/active_galaxies/agn_chandra_small.jpg) |
July 30, 2007 |
Jet Exhaust |
![NGC 4285 composite image](/Images/objects/heapow/active_galaxies/ngc4258_comp_small.jpg) |
April 30, 2007 |
Eclipse of the Dark Heart |
![Chandra/VLT images of NGC 1365](/Images/objects/heapow/active_galaxies/ngc1365_chandra_small.jpg) |
April 16, 2007 |
A Sky Full of Holes |
![Chandra Bootes Field](/Images/objects/heapow/active_galaxies/bootes_chandra_small.jpg) |
March 19, 2007 |
Feasting and Burping |
![Active galaxy in the MS 0735.6+7421 cluster](/Images/objects/heapow/active_galaxies/ms0735_composite_small.jpg) |
November 6, 2006 |
Roar |
![Chandra Low energy image of M87](/Images/objects/heapow/active_galaxies/m87_chandra_small.jpg) |
October 9, 2006 |
Rogues Gallery of Loudmouths |
![XMM Montage of Gamma-ray loud active galaxies](/Images/objects/heapow/active_galaxies/grloudagn_xmm_small.jpg) |
April 3, 2006 |
You Turn Me On, I'm a Radio Galaxy |
![Chandra Image of 4C37.43](/Images/objects/heapow/active_galaxies/4c37.43_chandra_small.jpg) |
March 27, 2006 |
The Growing Years |
![Merging Galaxies in the CDFN](/Images/objects/heapow/active_galaxies/smg_chandra_small.jpg) |
April 11, 2005 |
Ring-Around Not-so-Rosy |
![XMM observation of flare around a black hole](/Images/objects/heapow/active_galaxies/xmm_bh_flare_small.jpg) |
February 14, 2005 |
Black Hole Too Young? |
![Chandra observation of J1306+illustration](/Images/objects/heapow/active_galaxies/j1306_chandra_ill_small.jpg) |
December 6, 2004 |
Energizing the Base |
![3c223 XMM & VLA images](/Images/objects/heapow/active_galaxies/3c223xmm_small.jpg) |
November 1, 2004 |
Three Ring Virgo |
![Chandra image of Rings around M87](/Images/objects/heapow/active_galaxies/m87_rings_small.jpg) |
May 17, 2004 |
Splitting Images |
![Chandra Image of the Cloverleaf quasar](/Images/objects/heapow/active_galaxies/cloverleaf_chandra_small.jpg) |
April 26, 2004 |
Jet Exhausted |
![XMM and X-ray image of 3C66b](/Images/objects/heapow/active_galaxies/3C66b_xmm_small.jpg) |
April 5, 2004 |
Living and Dying Color |
![X-ray and UV image of M81](/Images/objects/heapow/active_galaxies/m81_xmm_small.jpg) |
December 8, 2003 |
Prehistoric Jet |
![Quasar X-ray Jet](/Images/objects/heapow/active_galaxies/quasar_jet_chandra_small.jpg) |
November 10, 2003 |
The Star-AGN Connection |
![SPI Al 26 Map](/Images/objects/heapow/active_galaxies/ngc4303_chandra_small.jpg) |
August 11, 2003 |
All You Can't Eat |
![Keck and Chandra views of 4C41.17](/Images/objects/heapow/active_galaxies/4c41_chandra_small.jpg) |
May 26, 2003 |
Cosmic Super Collider |
![Radio/X-ray image of Cen A Jet](/Images/objects/heapow/active_galaxies/cenajet_chandra_small.jpg) |
April 28, 2003 |
A Smoking Gun |
![XMM-Newton Image of a Jet from Pictor A](/Images/objects/heapow/active_galaxies/pictora_xmm_small.jpg) |
March 10, 2003 |
Multi-color Cluster |
![M87 CHANDRA IMAGE](/Images/objects/heapow/active_galaxies/chandra_m87_small.jpg) |
November 4, 2002 |
Surprisingly Active Galaxies |
![Chandra image of Abell 2104](/Images/objects/heapow/active_galaxies/a2104_chandra_small.jpg) |
September 16, 2002 |
A Black Hole Unveiled |
![Chandra/Type 2 quasar](/Images/objects/heapow/active_galaxies/type2_quasar_chandra_small.jpg) |
August 19, 2002 |
The Tell-Tale Arc |
![Cen A/HRC](/Images/objects/heapow/active_galaxies/cen_a_chandra_small.jpg) |
August 12, 2002 |
The Edge at the Edge of the Universe |
![Iron Edge in Quasar Spectrum](/Images/objects/heapow/active_galaxies/quasar_fe_edge_xmm_small.jpg) |
July 22, 2002 |
The Universe Gets Slightly Less Interesting |
![Chandra Twin Quasar Image](/Images/objects/heapow/active_galaxies/q2345+007ab_small.jpg) |
June 24, 2002 |
Ins and Outs of Black Holes |
![Chandra/PKS 1127-145](/Images/objects/heapow/active_galaxies/pks1127_chandra_small.jpg) |
February 11, 2002 |
Climbing out of a Black Hole? |
![XMM/MCG-6-30-15](/Images/objects/heapow/active_galaxies/mcg_6_30_15_xmm_small.jpg) |
October 29, 2001 |
Multi-component Starburst |
![XMM/NGC253](/Images/objects/heapow/active_galaxies/xmm_ngc253_small.jpg) |
February 19, 2001 |
X-raying the Warm Absorber |
![XMM/RGS spectrum](/Images/objects/heapow/active_galaxies/xmm_rgs_abs_small.jpg) |
January 1, 2001 |
Through an X-ray Lens Brightly |
![Chandra gravitational lens](/Images/objects/heapow/active_galaxies/chandra_gravlens_small.jpg) |
December 18, 2000 |
The Oldest X-rays Ever |
![QSO at Z=5.8](/Images/objects/heapow/active_galaxies/xmm_z6_qso_small.jpg) |
December 11, 2000 |
On the trail of a Cosmic Jet |
![Chandra/3C273](/Images/objects/heapow/active_galaxies/chandra_3c273_jet_small.jpg) |
November 20, 2000 |
A Jet in the Distant Past |
![PKS O637-752](/Images/objects/heapow/active_galaxies/PKS0637_acis_small.jpg) |
October 16, 2000 |
A Daily Intake of Iron |
![MCG6 Fe line](/Images/objects/heapow/active_galaxies/mcg6_fe_k_line_small.jpg) |
August 7, 2000 |
Five Billion Year Old, 50 Million Degree Clouds |
![3C295/CHANDRA](/Images/objects/heapow/active_galaxies/3c295_chandra_small.jpg) |
Jan 24, 2000 |
High Resolution X-ray Map of the Active Galaxy Centaurus A |
![HRI Cen A](/Images/objects/heapow/active_galaxies/cen_a_hri_small.jpg) |
Nov 8, 1999 |