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The Fermi Gamma-Ray Space Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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2008 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 322, no 5905, 1218-1221 p.Article in journal (Refereed) Published
Abstract [en]

Energetic young pulsars and expanding blast waves [ supernova remnants (SNRs)] are the most visible remains after massive stars, ending their lives, explode in core-collapse supernovae. The Fermi Gamma- Ray Space Telescope has unveiled a radio quiet pulsar located near the center of the compact synchrotron nebula inside the supernova remnant CTA 1. The pulsar, discovered through its gamma- ray pulsations, has a period of 316.86 milliseconds and a period derivative of 3.614 x 10(-13) seconds per second. Its characteristic age of 10(4) years is comparable to that estimated for the SNR. We speculate that most unidentified Galactic gamma- ray sources associated with star- forming regions and SNRs are such young pulsars.

Place, publisher, year, edition, pages
2008. Vol. 322, no 5905, 1218-1221 p.
Keyword [en]
X-RAY, EMISSION, RADIO, RADIATION
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-33078DOI: 10.1126/science.1165572ISI: 000261033400033Scopus ID: 2-s2.0-57149104772OAI: oai:DiVA.org:kth-33078DiVA: diva2:413228
Funder
Knut and Alice Wallenberg Foundation
Note
QC 20110428Available from: 2011-04-28 Created: 2011-04-28 Last updated: 2017-12-11Bibliographically approved

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Ryde, Felix

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