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On 1 June , astronomers reported narrowing down the source of Fast Radio Bursts FRBs , which may now plausibly include " compact-object mergers and magnetars arising from normal core collapse supernovae ". The density of the interior of a magnetar is such that a tablespoon of its substance would have a mass of over million tons. Most magnetars rotate once every two to ten seconds,  whereas typical neutron stars rotate once in less than a few seconds. A magnetar's magnetic field gives rise to very strong and characteristic bursts of X-rays and gamma rays. The active life of a magnetar is short. Their strong magnetic fields decay after about 10, years, after which activity and strong X-ray emission cease. Given the number of magnetars observable today, one estimate puts the number of inactive magnetars in the Milky Way at 30 million or more.
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MAGNASTAR consist of various types of components required for magnetic particle inspections such as a magnetizing power supply, a different type of magnetic particle inspection equipment, and a demagnetizer. Select out the desired type appropriate for your inspection objects and inspection requirements. To meet all of varied needs, a wide range of types are provided from the portable type to the large system. Designed to be small and compact. This type can be carried easily, so it is useful for outside inspections or when the inspection location is undefined. Power supply using the thyristor phase control system. Suitable for a wide range of applications from prod magnetizing to large automatic systems. This largest-sized type provides both of AC and DC three-phase full-wave rectification outputs and a built-in AC automatic attenuation demagnetizer a DC pole reversing automatic attenuation demagnetizer as well. Mainly used for the surfaces and subsurface inspections of steel materials, large-sized parts, precise parts, etc.