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X-ray properties of G308.3-1.4 and its central compact object

Published online by Cambridge University Press:  20 March 2013

K. A. Seo ,
C. Y. Hui ,
R. H. H. Huang ,
L. Trepl ,
T.-N. Lu ,
A. K. H. Kong  and
F. M. Walter
K. A. Seo
Affiliation:
Department of Astronomy and Space Science, Chungnam National University, Daejeon 305-764, Korea
C. Y. Hui
Affiliation:
Department of Astronomy and Space Science, Chungnam National University, Daejeon 305-764, Korea
R. H. H. Huang
Affiliation:
Institute of Astronomy and Department of Physics, National Tsing Hua University, Hsinchu, Taiwan
L. Trepl
Affiliation:
Astrophysikalisches Institut und Universitäts-Sternwarte, Universität Jena, Schillergäßchen 2-3, 07745 Jena, Germany
T.-N. Lu
Affiliation:
Institute of Astronomy and Department of Physics, National Tsing Hua University, Hsinchu, Taiwan
A. K. H. Kong
Affiliation:
Institute of Astronomy and Department of Physics, National Tsing Hua University, Hsinchu, Taiwan
F. M. Walter
Affiliation:
Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794-3800, USA
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Abstract

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We present a short Chandra observation that confirms a previous unidentified extended X-ray source, G308.3-1.4, as a new supernova remnant (SNR) in the Milky Way. Apart from identifying its SNR nature, a bright X-ray point source has also been discovered at the geometrical center. Its X-ray spectral properties are similar to those of a particular class of neutron star known as central compact objects (CCOs). On the other hand, the optical properties of this counterpart suggests it to be a late-type star. Together with the interesting ~ 1.4 hours X-ray periodicity found by Chandra, this system can possibly provide the first direct evidence of a compact binary survived in a supernova explosion.

Keywords

supernova remnantsX-rays
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S291: Neutron Stars and Pulsars: Challenges and Opportunities after 80 years , August 2012 , pp. 489 - 491
Copyright
Copyright © International Astronomical Union 2013

References

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