X-ray properties of G308.3-1.4 and its central compact object
Abstract
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.
- Publication:
-
Neutron Stars and Pulsars: Challenges and Opportunities after 80 years
- Pub Date:
- March 2013
- DOI:
- 10.1017/S1743921312024611
- Bibcode:
- 2013IAUS..291..489S
- Keywords:
-
- supernova remnants;
- X-rays