What types of telescopes detect radiation from high energy objects?
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| It can be particularly useful for telescopes of low angular resolution observing spectra of radio bursts from the Sun and the planets because absolute calibration of these telescopes is very difficult with conventional techniques. | |
| With a threshold of about 100 PeV radio detectors are particularly useful to study the highest-energy galactic cosmic rays and ultra-high-energy extragalactic particles of all types. | |
| Compared with coronagraphs on smaller telescopes, the PSF shape is sharper and it brings higher detectability of sources around bright objects. | |
11 Citations | The research methods and conclusions can provide valuable references for thermal design, monitoring and control of similar high-precision radio telescopes. |
464 Citations | The extended nature of this burst holds out the hope that there will be opportunities for telescopes operating at other wavelengths to detect a GRB source while it is still active, thus providing further constraints on the source's identity and properties. |
| Segmented telescopes are a possible approach to enable large-aperture space telescopes for the direct imaging and spectroscopy of habitable worlds. | |
| In addition, the most productive telescopes seem to be ones whose users include astronomers from a wide range of geographical locations. | |
| In particular, they can be employed as advanced uncooled IR sensors that identify objects through their radiation spectra. | |
107 Citations | High-energy observations of this source can provide powerful probes of the background radiation in the early universe. |
Related Questions
What the originate of the high energy photons ?5 answersHigh energy photons originate from various sources such as extragalactic gamma-ray emitters like Active Galactic Nuclei (AGN) and Gamma Ray Bursts (GRBs). In the case of GRBs, the Cannonball (CB) model explains the production of high energy radiation through interactions of highly relativistic plasmoids with the environment, resulting in emissions across different wavelengths including very high energy (VHE) photons above 100 TeV. Additionally, high energy photons can be generated by bremsstrahlung X-rays created by energetic electrons accelerated by electric fields in clouds during atmospheric phenomena like rain and snowfall. Moreover, a method involving a reaction vessel and a base heating source capable of reaching 4,000°F can disassociate water to produce and release high energy photons within the vessel.
What is high energy physics?5 answersHigh energy physics focuses on understanding the fundamental laws governing particles and their interactions at extreme scales, involving very high energies or large distances. This field explores the structure of matter and fundamental interactions through experiments like particle colliders and telescopes, aiming to probe both the smallest and largest scales of the universe. It involves the creation and study of Quark-Gluon Plasma (QGP) through ultra-relativistic heavy ion collisions, revealing insights into the strong interaction between quarks and gluons under extreme conditions. Additionally, very-high energy physics (VHEP) extends this exploration to investigate interactions in space caused by fundamental particles, enabling the discovery of VHE celestial objects and advancing our understanding of particle physics and cosmology through the study of VHE neutrinos and photons.
How to detect and remove cosmic rays from ccd images of the sun like soho?5 answersCosmic rays can be detected and removed from CCD images of the Sun, such as SOHO, using various techniques. One approach is to use muon telescopes in addition to neutron monitors to separate small variations caused by cosmic rays from stronger variations caused by solar activity. Another method involves using off-the-shelf CMOS cameras and implementing real-time processing algorithms to detect potential cosmic ray tracks in image frames. Additionally, FPGA implementation of Least Mean Squares filters with different windows can be used to suppress cosmic ray contamination in radio frequency interference (RFI) elimination. These techniques provide effective ways to detect and remove cosmic rays from CCD images of the Sun, allowing for cleaner and more accurate observations.
How to detect cosmic ray using CCD image?5 answersCosmic rays can be detected using CCD images through various algorithms and methods. One approach is to use gray-scale morphology based on the morphological differences between cosmic-ray hits and spectra. This involves applying erosion and dilation operations to the images and analyzing the variation between pre- and post-operation data. Another method involves calculating one-order difference operations in two directions and using thresholds to detect candidate points of cosmic-ray hits. Bessel curve fitting is then used to confirm these points. Additionally, a combination of cluster and linear correlation methods can be used to filter cosmic rays while minimizing distortions of spectral profiles. These methods have been demonstrated to be effective in detecting cosmic-ray hits in CCD images, as shown in various simulations and observations.
What are the types of radiation?3 answersRadiation can be categorized into two types: ionizing and non-ionizing. Ionizing radiation includes alpha, beta, and gamma radiation, which are emitted by radioactive substances. Alpha radiation consists of alpha particles, which are nuclei of helium atoms made up of two protons and two neutrons. Beta radiation consists of electrons or positrons, and gamma radiation is a form of high-energy electromagnetic waves. Non-ionizing radiation includes light radiation and radio radiation. Light radiation is due to the aberration of the electric field in the motion of a charged particle, while radio radiation is generated by an oscillating charged particle that generates a magnetic field in phase with an electric field. These types of radiation have various applications in fields such as medical diagnosis and treatment, radiation processing, and research in radiation chemistry.
In what direction do we have the most difficulty in detecting extragalactic objects?6 answers