Pulsar
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 Composite Optical/X-ray image of the Crab Nebula, showing synchrotron emission in the surrounding pulsar wind nebula, powered by injection of magnetic fields and particles from the central pulsar. |
A pulsar (portmanteau of pulsating star) is a highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation. This radiation can only be observed when the beam of emission is pointing towards the Earth, much the way a lighthouse can only be seen when the light is pointed in the direction of an observer, and is responsible for the pulsed appearance of emission. Neutron stars are very dense, and have short, regular rotational periods. This produces a very precise interval between pulses that range from roughly milliseconds to seconds for an individual pulsar.
- Related: Supernova remnant, Anomalous X-ray pulsar, Black Hole, Double pulsar, Magnetar, Optical pulsar, Pulsar clock, Pulsar planets, Pulsar wind, Pulsar wind nebula, Rotating radio transient, Soft gamma repeater, X-ray pulsar, Radio astronomy
| Animation of a Pulsar Animation of a Pulsar www.einstein-online.info/de/images/einsteiger/pulsar.gif - Web |
| Discovery of Pulsars Discovery of Pulsars www.jodcast.net/.../20070601-jodcast-interview-high.mp3 - Web |
| Audio: Cain/Gay – Astronomy Cast. Pulsars – Nov 20... Audio: Cain/Gay – Astronomy Cast. Pulsars – Nov 2009 www.astronomycast.com/.../ - Web |
Gallery for «Pulsar»
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| Listing for PULS CP 1919 (The First Pulsar) Listing for PULS CP 1919 (The First Pulsar) simbad.u-strasbg.fr/.../sim-id.pl?protocol=html&Ident=PULS+CP+1919&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0 - Web |
| Artist's Rendition of Pulsar Artist's Rendition of Pulsar www.digitalblasphemy.com/preview.shtml?i=pulsar2k101 - Web |
