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Encyclopedia > CP 1919

The first radio pulsar, CP 1919, with a pulse period of 1.337 seconds and a pulse width of 0.04 second, was discovered by Jocelyn Bell in the constellation of Vulpecula, just south of Cygnus. in July 1967. Before the nature of the signal was determined, the observation was given the half-humorous designation Little green men 1. Composite Optical/X-ray image of the Crab Nebula pulsar, showing surrounding nebular gases stirred by the pulsars magnetic field and radiation. ... Jocelyn Bell Burnell (born Jocelyn Bell, 15 July 1943), British astrophysicist who discovered the first radio pulsars with her thesis advisor Antony Hewish. ... Vulpecula, being Latin for Fox, is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... Cygnus (Latin for swan) is a northern constellation. ... 1967 was a common year starting on Sunday of the Gregorian calendar. ... Little green men is a popular expression used to describe extraterrestrial life. ...


The present day designation of this pulsar is PSR 1919+21: pulsar at right ascension 19 hours 19 minutes, declination 21 degrees. Right ascension (RA; symbol α: Greek letter alpha) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ... In astronomy, declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ...


The British post-punk band Joy Division used an image of CP 1919's radio pulses on the cover of their debut album, Unknown Pleasures. [1] Post punk generally refers to the particularly fertile and creative period following the initial punk rock explosion. During the first wave of punk, roughly spanning 1976-1983, bands such as The Sex Pistols, The Clash, The Ramones and The Damned began to challenge the current styles and conventions of rock... Joy Division was a rock music band formed in 1977 in Manchester, England. ... Unknown Pleasures is the first album by Joy Division, released in 1979. ...


Publication

A. Hewish, S. J. Bell, J. D. H. Pilkington, P. F. Scott, and R. A. Collins. Observation of a rapidly pulsating radio source. (Nature 217:709-713, 1968). Jocelyn Bell Burnell (born Jocelyn Bell, 15 July 1943), British astrophysicist who discovered the first radio pulsars with her thesis advisor Antony Hewish. ... The deepest visible-light image of the universe, the Hubble Ultra Deep Field. ... 1968 was a leap year starting on Monday (the link is to a full 1968 calendar). ...


See also

Little green men is a popular expression used to describe extraterrestrial life. ...

External links


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