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The Crab Pulsar was the first pulsar for which the spin-down limit was broken using several months of data of the LIGO observatory. Most pulsars do not rotate at constant rotation frequency, but can be observed to slow down at a very slow rate (3.7 × 10 −10 Hz/s in case of the Crab). This spin-down can be explained as a loss of rotation ...
Crab (unit) Crab Pulsar; S. SN 1054; Media in category "Crab Nebula" This category contains only the following file. Crab Nebula.jpg 3,864 × 3,864; 13.84 MB
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus.The common name comes from a drawing that somewhat resembled a crab with arms produced by William Parsons, 3rd Earl of Rosse, in 1842 or 1843 using a 36-inch (91 cm) telescope. [6]
The_Crab_Nebula_NASA.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 3 min 42 s, 640 × 360 pixels, 558 kbps overall, file size: 14.78 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Crab Pulsar: Pulsar: Taurus: 05h 34m 31.95s ... Host to the first-discovered extrasolar and pulsar planets PSR B1620−26: Pulsar: Scorpius: 16h 23m 38.2218s: −26 ...
Crab Pulsar; P. PSR B1509−58; V. Vela Pulsar This page was last edited on 6 May 2020, at 00:31 (UTC). Text is available under the Creative Commons ...
This Crab-like pulsar was first discovered in X-rays in 1984 [4] and subsequently detected at radio wavelengths. [5] Astronomers initially attributed the glow to collisions of subatomic particles accelerated in the shock waves produced by supernova explosions, and it took more than six years of observations by Fermi's Large Area Telescope to detect gamma-ray pulsations from J0540-6919.
Pulsar wind nebulae evolve through various phases. [2] [5] New pulsar wind nebulae appear soon after a pulsar's creation, and typically sit inside a supernova remnant, for example the Crab Nebula, [6] or the nebula within the large Vela Supernova Remnant. [7] As the pulsar wind nebula ages, the supernova remnant dissipates and disappears.
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