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The Fermi Gamma Ray Space Telescope discovers the Pulsar in the Young Galactic Supernova-Remnant CTA 1

Name: The Fermi Gamma Ray Space Telescope discovers the Pulsar in the Young Galactic Supernova-Remnant CTA 1
Creator: Collaboration, Fermi LAT
Keywords: astro-ph, General Science & Technology, 0103 physical sciences, Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics, 01 natural sciences

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jan 2008Embargo end date: 01 Jan 2008 United States Publisher:arXiv

Authors: Collaboration, Fermi LAT;

doi: 10.48550/arxiv.0810.3562

arXiv: http://arxiv.org/abs/0810.3562

The Fermi Gamma Ray Space Telescope discovers the Pulsar in the Young Galactic Supernova-Remnant CTA 1

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Abstract

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 ms, a period derivative of 3.614 x 10-13 s s-1 . Its characteristic age of 104 years is comparable to that estimated for the SNR. It is conjectured that most unidentified Galactic gamma ray sources associated with star-forming regions and SNRs are such young pulsars.

18 pages, 3 figures + supplemental material, published in Science Express, October 16, 2008, Contact authors: G. Kanbach, K. Wood, M. Ziegler

Country

United States

Related Organizations

University of California System
United States

Keywords

astro-ph, General Science & Technology, Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

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The Fermi Gamma-Ray Space Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1
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