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.

The Fermi Gamma-Ray Space Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1 / Abdo, A.a., Ackermann, M., Atwood, W.b., Baldini, L., Ballet, J., Barbiellini, G., Baring, M.g., Bastieri, D., Baughman, B.m., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R.d., Bloom, E.d., Bogaert, G., Bonamente, E., Borgland, A.w., Bregeon, J., Brez, A., Brigida, M., et al.. - In: SCIENCE. - ISSN 0036-8075. - STAMPA. - 322:5905(2008), pp. 1218-1221. [10.1126/science.1165572]

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

GIGLIETTO, Nicola;
2008

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 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.
2008
The Fermi Gamma-Ray Space Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1 / Abdo, A.a., Ackermann, M., Atwood, W.b., Baldini, L., Ballet, J., Barbiellini, G., Baring, M.g., Bastieri, D., Baughman, B.m., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R.d., Bloom, E.d., Bogaert, G., Bonamente, E., Borgland, A.w., Bregeon, J., Brez, A., Brigida, M., et al.. - In: SCIENCE. - ISSN 0036-8075. - STAMPA. - 322:5905(2008), pp. 1218-1221. [10.1126/science.1165572]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/324
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