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X-ray properties of G308.3-1.4 and its central compact object
Conference paper   Open access

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

K.A. Seo, C.Y. Hui, R.H.H. Huang, L. Trepl, T.-N. Lu, A.K.H. Kong and F.M. Walter
Proceedings of the International Astronomical Union, Vol.8(S291), pp.489-491
08/2012

Abstract

supernova remnants X-rays
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. © 2013 International Astronomical Union.
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https://doi.org/10.1017/S1743921312024611View
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