Tag Archive for 'BL Lacertae object'

This image of OJ 287 reveals the sharply curved, ribbon-like structure of the plasma jet emitted from its center. Image credit: Efthalia Traianou / Heidelberg University / IWR.

OJ 287 Galaxy Likely Harbors Supermassive Black Hole Binary at Its Center, Observations Suggest

Jul 31, 2025 by News Staff

Using data from the 10-m space radio telescope RadioAstron and a network of 27 ground-based observatories, astronomers have detected an unusual ribbon-like...

This artist’s concept depicts the central region of the blazar BL Lacertae, a supermassive black hole surrounded by a bright disk and a jet oriented toward Earth. Image credit: NASA / Pablo Garcia.

Interactions between Fast-Moving Electrons and Photons Lead to X-ray Emission from Blazar Jets

May 7, 2025 by News Staff

In new research, astronomers used NASA’s IXPE (Imaging X-ray Polarimetry Explorer) to observe a highly relativistic jet emanating from the blazar BL...

High-Energy IceCube Neutrino Generated by Cosmic Collision within Distant Active Galaxy

Oct 3, 2019 by News Staff

IceCube 170922A, a high-energy neutrino detected by the IceCube Neutrino Observatory in 2017, was generated by a jet-jet collision within TXS 0506+056,...