it was the heaviest astrophysical payload ever flown at the time of its launch on April 5, 1991 aboard the Space Shuttle. Gamma ray burster - site-stats.org The Compton Gamma Ray Observatory was the second of NASA's Great Observatories. A major leap forward in understanding the source of cosmic GRBs was made when the Burst and Transient Source Experiment (BATSE) was launched aboard the Compton Gamma Ray Observatory in 1991. It took its name from the 20th-century US physicist Arthur Holly Compton. The Compton Gamma-Ray Observatory (henceforth Compton Observatory) was initially conceived, designed and developed as a Principal Investigator (PI) class satellite due to the complex nature of its instrumentation and data. It featured four main telescopes in one spacecraft covering x-rays and gamma-rays, including various specialized sub-instruments and detectors. The observatory was launched on the Space. Compton telescopes use the Compton scatter interaction to detect the energy and location of gamma rays that enter the telescope. CGRO was named in honor of the American physicist Arthur Holly Compton, winner of the 1927 . Over its nine-year lifetime, Compton produced the first-ever all- Compton Gamma-Ray Observatory | Article about Compton ... NSSDCA ID: 1991-027B. Compton Gamma Ray Observatory | National Aeronautics and ... Compton Gamma Ray Observatory The Compton Gamma Ray Observatory ( CGRO) was a space observatory detecting light from 20 K eV to 30 GeV in Earth orbit from 1991 to 2000. Explanation: The Compton Gamma Ray Observatory (CGRO) was the most massive instrument ever launched by a NASA Space Shuttle in 1991 and continues to revolutionize gamma-ray astronomy. Dolores Beasley Headquarters, Washington, DC The Compton Gamma Ray Observatory and its four experiment packages continue to function in a nearly flawless manner now well into the sixth year of mission operations. Compton Gamma Ray Observatory osse observations of SN ... Gamma rays are a non-visible form of light created by nature's hottest and most cataclysmic events. Status and future of the Compton Gamma Ray Observatory ... The Compton Gamma Ray Observatory followed the Hubble into orbit in 1991. Compton Gamma-Ray Observatory synonyms, Compton Gamma-Ray Observatory pronunciation, Compton Gamma-Ray Observatory translation, English dictionary definition of Compton Gamma-Ray Observatory. 2 3 An accretion disk and jet associated with the center of an active galaxy — a gamma-ray quasar. The Compton Gamma-Ray Observatory has been in Earth orbit for nearly six years now. This map shows the locations of a total of 2704 Gamma-Ray Bursts recorded with the Burst and Transient Source Experiment on board NASA's Compton Gamma-Ray Observatory during the nine-year mission. Compton was launched aboard the Space Shuttle Atlantis in April 1991, and, at 17 tons, was the largest astrophysical payload ever flown at that time. "Chandra" was a nickname used by Chandrasekhar. The Compton Gamma Ray Observatory is a space telescope designed to receive gamma rays, very high-energy and short- wavelength electromagnetic radiation produced from subatomic particle interactions, such as electron - positron annihilation and radioactive decay. The Compton Gamma Ray Observatory is named for Arthur Holly Compton, and the Chandra X-ray Observatory is named for Subrahmanyan Chandrasekhar. n. The branch of astronomy that uses observations of emissions in the gamma-ray part of electromagnetic spectrum to study extraterrestrial sources such as. Assign some students the task of researching these three astronomers and their accomplishments. The mission provides nearly six orders of magnitude in spectral coverage, from 30 keV to 30 GeV, with sensitivity over the entire range an order of magnitude . "This is the Compton Gamma Ray Observatory Mission Operations Room at the Goddard Space Flight Center in Greenbelt . We find that gamma-ray fluxes are not correlated with the simultaneous optical observations, and the gamma-ray . Compton Gamma-Ray Observatory: see gamma-ray astronomy gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. The Compton Gamma Ray Observatory (CGRO), launched on April 4, 1991, was the second of the National Aeronautics and Space Administration's (NASA's) four great observatories (), following the Hubble Space Telescope and preceding the Chandra X-ray Observatory (CXO), launched on July 23, 1999, and the Spitzer Space Telescope [formerly the Space Infrared Telescope Facility (SIRTF)], launched on . We find that gamma-ray fluxes are not correlated with the simultaneous optical . At 17 1/2 tons. The observatory featured four main telescopes in one spacecraft, covering X-rays and gamma rays, including various specialized sub-instruments and detectors. The Compton Gamma Ray Observatory was intentionally deorbited on by NASA over the objections of the scientific community on June 3, 2000. The Compton Gamma Ray Observatory (GRO) is a sophisticated satellite observatory dedicated to observing the high-energy Universe. The Compton Observatory introduced us to a little-known world of gamma-ray bursts, exotic pulsars, and blazing active galaxies. NASA decided to end the mission after several orientation gyroscope failures. The Compton Spectrometer and Imager (COSI), is a gamma-ray telescope expected to launch in 2025 as NASA's latest small astrophysics mission. Several successful exploratory missions in gamma-ray astronomy led to the Energetic Gamma Ray Experiment Telescope (EGRET) instrument on the Compton Gamma Ray Observatory (CGRO). The Compton Gamma Ray Observatory The Arthur Holly Compton Gamma Ray Observatory (Compton) was launched by the Space Shuttle Atlantis on 5 April 1991. Compton Gamma Ray Observatory (Compton Observatory; CGRO) The second in NASA's series of Great Observatories, launched by the space shuttle Atlantis into a low Earth orbit Apr. Compton telescopes are usually constructed in two layers. the Compton Gamma Ray Observatory, an astronomical satellite that transformed our knowledge of the high-energy sky. Compton Gamma Ray Observatory (CGRO), U.S. satellite, one of the National Aeronautics and Space Administration (NASA) "Great Observatories" satellites, which is designed to identify the sources of celestial gamma rays. What was the Compton Gamma Ray Observatory? Energy spectrum of the diffuse extragalactic background (Gruber 1992). Combining these measurements yields a 99% confidence upper limit of 4.1-6.6 × 10-5 cm-2 s-1, depending on how the multiple observations are combined, for the 847 . The Compton Gamma Ray Observatory was launched on 5 April 1991 as part of NASA 's . We discuss the status of the mission as of mid-1997, as well as the prospects of an extended mission lasting into the next century. Compton, at 17 tons, was the heaviest astrophysical payload ever flown at the time of its launch on April 5, 1991 aboard the space shuttle Atlantis. An extraordinarily bright cosmic gamma-ray flash turns out to be the most energetic one measured so far, according to a team of astronomers from the California Institute of Technology. We have studied the gamma-ray burst itself as observed by the CGRO detectors. Science Highlights. Such objects are an important After engine burns at 12:00 AM EDT and 1:30 AM EDT, the CGRO was sent . It is the second in NASA's program of orbiting "Great Observatories", following the Hubble Space Telescope. NASA's plan to bring the Compton Gamma Ray Observatory (CGRO) crashing back to Earth on Sunday worked according to plan. We find no evidence for 56 Co γ-ray line emission from SN 1991T in any of the three observations. CGRO was named after the American physicist Arthur Holly Compton and carried four instruments that covered an unprecedented six orders of magnitude in energy, from 30 keV to 30 GeV. The Compton Gamma Ray Observatory is a space telescope designed to receive gamma rays, very high-energy and short- wavelength electromagnetic radiation produced from subatomic particle interactions, such as electron - positron annihilation and radioactive decay. Launched on 1991 April 5, Compton represents a dramatic increase in capability over previous gamma- ray missions. CGRO was launched aboard the Space Shuttle Atlantis (STS-37) on April 5, 1991. They felt that if another gyroscope was lost, the heavy spacecraft might eventually reenter out of control. Results from the GRB observations by the Compton Gamma Ray Observatory (Compton) now in orbit will eventually fill in this range, and also vastly improve our knowledge at higher energies. Before Compton loses more stabilizing gyroscopes, NASA is considering firing onboard rockets to bring it on a controlled reentry into the ocean. The most glaring deficiency in coverage was toward the region of the South Galactic Pole (SGP), which received significantly less exposure than other directions- by a factor of at least 2 to 3. Chandra was taken into space on July 23, 1999, aboard the Space Shuttle GRO is a space-based observatory designed to study the universe in an invisible, high-energy form of light known as gamma rays. COMPTON Satellite Marked for Extinction Plunges Into the Sea, on Target By THE ASSOCIATED PRESS (June 5, 2000) After nine years of studying the universe, the Compton Gamma Ray Observatory was deliberately slammed into the atmosphere, where it shattered before falling in a shower of hot metal to a remote stretch of the Pacific Ocean. Launch Information. The Compton Gamma Ray Observatory ( CGRO) was a space observatory detecting light from 20 k eV to 30 GeV in Earth orbit from 1991 to 2000. Launch Date/Time: 1991-04-05T14:23:00Z Launch Vehicle: Shuttle Launch Site: Cape Canaveral, United States Decay Date: 2000-06-04. Gamma rays are shorter in wavelength and hence more energetic than X rays (see gamma radiation) but much harder to detect and to pinpoint. . The Compton Gamma Ray Observatory A steady stream of data from this orbiting observatory is painting a portrait of a dynamic and often enigmatic cosmos by Neil Gehrels, Carl E. Fichtel, Gerald J. Fishman, James D. Kurfess and Volker Schınfelder Compton Gamma Ray Observatory GRO, which weighs just over 35,000 pounds (15,876 kilograms), will be the heaviest NASA science satellite ever deployed by the Space Shuttle into low-Earth orbit. Due to observations made by the Compton Gamma-Ray Observatory over the last six years, it appears that a number of galactic supernova remnants may be candidates for sources of cosmic gamma-rays. (3 Jun 2000) English/Nat XFAIt's a satellite many of us didn't even know existed, but to NASA, the information uncovered by the Compton Gamma Ray Observatory. These bursts are often followed by afterglows at X-ray, optical and radio wavelengths. It featured four main telescopes in one spacecraft, covering X-rays and gamma rays, including various specialized sub-instruments and detectors. NASA celebrates 25 years of breakthrough gamma-ray science. The Compton Gamma Ray Observatory followed the Hubble into orbit in 1991. Weighing in at 17 tons, it was then the heaviest payload lofted by a space shuttle. Compton was designed to observe the universe in the gamma-ray portion of the electromagnetic spectrum. The Compton Gamma Ray Observatory was the second of NASA's Great Observatories. Discovered that gamma-ray bursts were distributed evenly over the whole sky; Mapped the Milky Way using the 26-Aluminum gamma-ray line "The end of an era, a discovery era, for gamma ray astronomy," Gehrels said. Compton Gamma Ray Observatory - highlights of the sky survey. The decision to extend the mission's nominal lifetime from three to no less than six years prompted NASA to include Compton Observatory in its Great Observatory . (4 Jun 2000) English/NatXFANASA put on a big light show early on Sunday, but it's not yet sure whether there were any witnesses.The space agency deliberately. Steinle, Helmut NASA's COMPTON Gamma Ray Observatory has completed the first full sky survey in gamma rays on 1991 November 17. The resulting electron is detected through scintillation in the top layer and is observed . The Compton Gamma Ray Observatory (CGRO) was the second of the NASA "Great Observatories" to be launched to space, following the Hubble Space Telescope.. CGRO was launched on the Space Shuttle Atlantis, mission STS-37, on 5 April 1991.It was the heaviest astrophysical payload ever flown at that time. BATSE GRB. Compton was safely deorbited and re-entered the Earth's atmosphere on June 4, 2000. Pioneer Venus Orbiter, Mars Observer, and the Near Earth Asteroid Rendezvous mission (NEAR) were part of the network while they were operating. Terrestrial Gamma-ray Flashes (TGFs) are intense sub-millisecond bursts of MeV gamma rays produced in active thunderstorm regions and temporally associated with lightning events. Today, the main spacecraft contributing their data are WIND, 2001 Mars Odyssey, INTEGRAL, RHESSI, Swift, MESSENGER, Suzaku, AGILE, and Fermi. Compton's mission was to see the . Compton, at 17 tons, was the heaviest astrophysical payload ever flown at the time of its launch on April 5, 1991 aboard the space shuttle Atlantis. The spacecraft and instruments are in good health and returning exciting results. We have studied the gamma-ray burst itself as observed by the Compton Gamma Ray Observatory detectors. It is intended to he recent history of star birth, star death, and the formation of chemical elements in the Milky Way. It was designed to study the gamma-ray sky over the energy range of 30 keV to 30 GeV. "For more than 60 years, NASA has provided opportunities for inventive, smaller-scale missions to fill knowledge gaps where we still . The Compton Gamma Ray Observatory (CGRO) was the second of the NASA "Great Observatories" to be launched to space, following the Hubble Space Telescope. The Chandra X-ray Observatory, launched in 1999 by the Space Shuttle Columbia, is still looking at X-rays. Compton was safely deorbited and re-entered the Earth's atmosphere on June 4, 2000. Mission Overview The Compton Gamma Ray Observatory (GRO) was a sophisticated satellite observatory dedicated to observing the high-energy Universe.It was the second in NASA 's program of orbiting "Great Observatories", following the Hubble Space Telescope.. Relevance to Astrobiology While Hubble's instruments operate at visible and ultraviolet wavelengths, Compton carried a collection . The Oriented Scintillation Spectrometer Experiment on the Compton Gamma Ray Observatory observed SN 1991T on three occasions in 1991. Trajectory Description. Status Report From: Goddard Space Flight Center Posted: Friday, May 26, 2000 . Then known simply as the Gamma Ray Observatory, it was soon renamed in honor of Arthur Holly Compton, an American physicist and Nobel laureate who discovered that high-energy light underwent a change in wavelength when it scattered off electrons and other charged particles. Weighing in at 17 tons, it was then the heaviest payload lofted by a space shuttle. Apr 4, 2014 Launch of the Compton Gamma-Ray Observatory Back to Gallery On April 5, 1991, the Compton Gamma-ray Observatory (CGRO) was launched aboard the Space Shuttle Atlantis from Kennedy Space Center. 1991. These include shell-type remnants such as IC443 and γ Cygni, which have no known parent pulsars, but have . Chandra de tects X-ray light from very hot (mil lions of de grees) plac es in the Universe, such as exploding stars, galaxy clusters and matter swirl ing into black holes. The spacecraft and scientific instruments are all in good health, and many significant discoveries have already been made. The projection is in galactic coordinates; the plane of the Milky Way Galaxy is along the horizontal line at the middle of the figure. it was the heaviest astrophysical payload ever flown at the time of its launch on April 5, 1991 aboard the Space Shuttle. The Arthur Holly Compton Gamma Ray Observatory (Compton) was launched by the Space Shuttle Atlantis on 5 April 1991; The spacecraft and instruments are in good health and returning exciting results. Compton's mission was to see the . The Compton Gamma Ray Observatory was the second of NASA's Great Observatories and the gamma-ray equivalent to the Hubble Space Telescope and the Chandra X-ray Observatory. No description available. In that time, observations from its 4-instrument complement have greatly expanded our understanding of the most energetic objects in the Universe.The EGRET instrument discovered that some quasars were also powerful sources of gamma radiation; BATSE observations of gamma-ray bursts have forced astronomers to . The Compton Gamma-Ray Observatory, or CGRO for short, was the second of NASA's great observatories. And then there is the Compton Gamma Ray Observatory (CGRO), which also just passed the 25th anniversary of its launch. Here is the official NASA Press Release: March 1994 - Gamma Ray Observatory Remote Terminal System (GRTS) Declared Operational The Gamma Ray Observatory Remote Terminal System (GRTS) was operational. The Compton Gamma Ray Observatory (CGRO) is the second of NASA's Great Observatories and the heaviest astrophysical payload ever flown at the time of its launch. Trajectory Details. The cumulative all-sky survey by the Compton Gamma Ray Observatory (CGRO), composed of data acquired during the first three years of the mission, included a number of regions of very limited exposure. Compton was safely deorbited and re-entered the Earth's atmosphere on June 4, 2000 . BATSE was a high energy astrophysics experiment in orbit around Earth on NASA's Compton Gamma-Ray Observatory The primary objective of BATSE was to study the phenomenon of gamma-ray bursts, although the detectors also recorded data from pulsars, terrestrial gamma-ray flashes, soft gamma repeaters, black holes, and other exotic astrophysical . GRB 990123 was the first burst from which simultaneous optical, X-ray and gamma-ray emission was detected; its afterglow has been followed by an extensive set of radio, optical and X-ray observations. The Burst and Transient Source Experiment (BATSE) on the Compton Gamma Ray Observatory (CGRO) is successfully being used as an all-sky nearly-continuous hard X-ray monitor. The second Great Observatory was the Compton Gamma Ray Observatory launched into Earth orbit from space shuttle Atlantis in 1991. Compton Gamma-Ray Observatory NSSDCA/COSPAR ID: 1991-027B Description The Compton Gamma-Ray Observatory (GRO) is one of NASA's four "Great Observatories". Compton Gamma-Ray Observatory. As its name suggests, it was a gamma ray astronomy mission, designed to observe the most energetic events in the universe. Since CGRO orbits the Earth at an altitude of about 450 km . In operation from 1991 to 1999, it was named in honour of Arthur Holly Compton, one of the pioneers of high-energy physics. The Compton Gamma Ray Observatory ( CGRO) was a space observatory detecting photons with energies from 20 k eV to 30 GeV, in Earth orbit from 1991 to 2000. The Compton Gamma Ray Observatory (CGRO) was the second of NASA 's Great Observatory satellites, after the Hubble Space Telescope. Its current orbit has a low point reported to be 17 miles (28 km) with impact predicted to occur at 2:18:50 a.m. EDT . The Imaging Compton Telescope (COMPTEL) is designed for observations at moderate gamma-ray energies (l to 30 million eV). GRB 990123 was the first burst from which simultaneous optical, X-ray, and gamma-ray emission was detected; its afterglow has been followed by an extensive set of radio, optical, and X-ray observations. Putting all these devices together into a coherent mission to investi-gate the unexplored gamma-ray uni-verse was the challenge of the Compton Gamma Ray Observatory Project. In this paper the highlights of this first observation period of COMPTON are presented. the Compton Gamma Ray Observatory (now de-orbited). The telescope will add to the work of the Hubble Telescope, launched in 1990, the Chandra X-ray Observatory, launched in 1999, and the Compton Gamma-Ray Observatory, which operated for nine years before falling back into Earth's atmosphere in 2000. This unique spacecraft was named for Nobel laureate Arthur Holly Compton (1892-1962), whose pioneering work in the 1920s demonstrated that. After one of its gyros failed, the observatory was deliberately de-orbited. The Compton Gamma Ray Observatory was launched on 5 April 1991 as part of NASA 's . These events were discovered in 1994 by the Compton Gamma Ray Observatory, and they have been detected by RHESSI, AGILE, and both instruments on Fermi - the Gamma-ray . by Francis Reddy, NASA. BibTeX @MISC{Bloemen_comptongamma-ray, author = {Steinle Bennett Bloemen and Galaxy Centaurus A and H. Steinle and K. Bennett and H. Bloemen and W. Collmar and R. Diehl and W. Hermsen and D. Morris and V. Schonfelder}, title = {Compton Gamma-Ray Observatory Observations of the Nearest Active Galaxy Centaurus A}, year = {}} At 17 1/2 tons. Figure 1. The Fermi Gamma-ray Space Telescope is an international and multi-agency space mission that studies the cosmos in the energy range 10 keV - 300 GeV. Abstract. A cosmic gamma ray enters and scatters on an atom in the first layer. This allows for uniform and long-term monitoring of blazars, which are AGNs that were found to dominate the gamma-ray sky by the Compton Gamma Ray Observatory, the forerunner to Fermi. The Compton Gamma Ray Observatory was the second of NASA's Great Observatories. The Compton Gamma-Ray Observatory was launched April 7, 1991 and observed the high-energy Universe until June 4, 2000 when it safely de-orbited and burned up in the Earth's atmosphere.The mission of CGRO was to study gamma-ray emissions in not only our galaxy, but other galaxies beyond ours.In addition, it was to investigate how neutron stars and black holes change over time. Compton, at 17 tons, was the heaviest astrophysical payload ever flown at the time of its launch on April 5, 1991 aboard the space shuttle Atlantis. gamma-ray instrument builders. The Compton Gamma Ray Observatory was the second of NASA's Great Observatories. The experiment consists of a set of eight uncollimated detectors sensitive to photons in the 20 keV to 2MeV range. Since blazars are highly variable on very short time scales (days or shorter) at all accessible wavelengths, it is important that supporting observations be . After the recorders failed onboard the Compton Gamma Ray Observatory (CGRO) in 1992, engineers tried to find solutions to minimize further data loss. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. NASA's Compton Gamma Ray Observatory drifts away from the space shuttle Atlantis on April 7, 1991, following its . Compton Gamma Ray Observatory Re-entry Activities. The Compton Gamma Ray Observatory was the second of NASA's Great Observatories. The Compton Gamma Ray Observatory is now on its final half-orbit around Earth. It was joined by the Compton Gamma Ray Observatory in 1991. The second of NASA's great observatories, the Compton Gamma Ray Observatory (CGRO) spent nearly 10 years of performing gamma-ray observations of celestial objects from April 1991 to June 2000. Because COMPTEL has a wide field of view (though not as wide as BATSE) and can accurately locate gamma ray sources, one of its primary functions will be to produce a detailed map of the sky as seen in moderate gamma rays. The Arthur Holly Compton Gamma Ray Observatory (Compton) is the second in NASA's series of Great Observatories.

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