Pulsed X-rays from the Vela pulsar

An unambiguous detection by the Rosat satellite of pulsed X-ray emission from the Vela pulsar is reported. The pulse signal is soft, appearing mainly at energies less than 1 keV. The Rosat observations resolve the two sources of emission and show that the pointlike emission centered on the pulsars i...

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Bibliographic Details
Published in:Nature (London) 1993-01, Vol.361 (6408), p.136-138
Main Authors: Oegelman, H., Finley, J. P., Zimmerman, H. U.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Earth, ocean, space
Emissions
Exact sciences and technology
Gamma rays
Humanities and Social Sciences
Late stages of stellar evolution (including black holes)
letter
multidisciplinary
Neutron stars
Pulsars
Satellites
Science
Science (multidisciplinary)
Stars
X-rays
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Summary:An unambiguous detection by the Rosat satellite of pulsed X-ray emission from the Vela pulsar is reported. The pulse signal is soft, appearing mainly at energies less than 1 keV. The Rosat observations resolve the two sources of emission and show that the pointlike emission centered on the pulsars is soft, whereas the emission from the compact nebula is hard. The observations show that Vela more closely resembles older pulsars that the archetypal young pulsar embedded in an SNR.
ISSN:0028-0836
1476-4687
DOI:10.1038/361136a0