Results 151 to 160 of about 1,237,003 (361)

The Galactic Center radio jet

open access: yes, 1993
4 pages + 1 figure available on request, LaTeX (laa.sty), MPIfR ...
Falcke, Heino   +2 more
openaire   +2 more sources

The curvature of radio jets and tails in the intracluster media of Abell 1446 and 2220

open access: yes, 1982
Einstein Observatory X-ray observations are reported for two rich clusters which contain prominent tailed radio galaxies. These X-ray data are used as probes of the cluster gas to explore mechanisms which may distort radio jets and tails.
J. Burns, T. Balonek
semanticscholar   +1 more source

Double Helical Plasmonic Antennas

open access: yesAdvanced Functional Materials, EarlyView.
Plasmonic double helical antennas funnel circularly polarized light to the nanoscale, offering strong chiroptical interaction and directional light emission. Extending a single helix design tool, this study combines numerical modeling with experimental validation, revealing large, broadband dissymmetry factors in the visible range.
Aleksei Tsarapkin   +7 more
wiley   +1 more source

On the Connection of Radio and γ-Ray Emission in Blazars

open access: yesGalaxies, 2018
Blazars are a sub-category of radio-loud active galactic nuclei with relativistic jets pointing towards to the observer. They are well-known for their non-thermal variable emission, which practically extends over the whole electromagnetic spectrum ...
Stella Boula   +2 more
doaj   +1 more source

Motor‐Free Soft Robots for Cancer Detection, Surgery, and In Situ Bioprinting

open access: yesAdvanced Healthcare Materials, EarlyView.
Novel motor‐free soft robots for cancer detection, surgery, and in situ bioprinting–are presented. This master‐slave system is constructed from soft fibrous syringe architectures, removing the need for electrical motors and complex control mechanisms, while reducing the physical tremors.
Chi Cong Nguyen   +17 more
wiley   +1 more source

Hydrostatic confinement of radio jets

open access: yesThe Astrophysical Journal, 1987
The radio jets associated with NGC 6251, NGC 315, and 3C 31 are subjected to hydrodynamic detachment criteria in the ultrarelativistic and nonrelativistic limits under the assumption of the steady laminar motion of a perfect gas. All the jets demonstrate allowable sonic heights.
Patrick Boucher, Kayll Lake
openaire   +2 more sources

Non‐Surgical, In‐Stent Membrane Bioelectronics for Long‐Term Intracranial Pressure Monitoring

open access: yesAdvanced Healthcare Materials, EarlyView.
This image shows a sequence of long‐term intracranial pressure monitoring using non‐surgical, in‐stent membrane bioelectronics. Abstract Traditional intracranial pressure (ICP) monitoring methods, using intraventricular catheters, face significant limitations, including high invasiveness, discrete data, calibration complexities, and drift issues, which
Jimin Lee   +9 more
wiley   +1 more source

Radio follow-up observations of stellar tidal disruption flares: Constraints on off-axis jets

open access: yesEPJ Web of Conferences, 2012
Observations of active galactic nuclei (AGN) and X-ray binaries have shown that relativistic jets are ubiquitous when compact objects accrete. One could therefore anticipate the launch of a jet after a star is disrupted and accreted by a massive black ...
Körding E.   +3 more
doaj   +1 more source

Relativistic superluminal radio jets in microquasars in our galaxy [PDF]

open access: yesPoSMQW6:101,2006, 2006
We discuss the origin of superluminal radio jets in Black hole X-ray binaries with relativistic radio jets in our Galaxy popularly known as microquasars. We classify the relativistic superluminal jet according to the radio emission in black hole X-ray binaries (transient or persistent) rather than the mass of the companion.
arxiv  

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