Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-08-13
ASTREV, 1333, 2008
Astronomy and Astrophysics
Astrophysics
6 pages, 4 figures
Scientific paper
10.1016/j.newar.2008.05.010
Neutron stars (NS) and black holes (BH) are sources of gravitational waves (GW) and the investigation of young isolated radio-quiet NS can in principle lead to constraints of the equation of state (EoS). The GW signal of merging NSs critically depends on the EoS. However, unlike radio pulsars young isolated radio-quiet neutron stars are hard to detect and only seven of them are known so far. Furthermore, for GW projects it is necessary to confine regions in the sky where and of which quantity sources of GW can be expected. We suggest strategies for the search for young isolated radio-quiet NSs. One of the strategies is to look for radioactivities which are formed during a supernova (SN) event and are detectable due to their decay. Radioactivities with half lives of ~1 Myr can indicate such an event while other remnants like nebulae only remain observable for a few kyrs. Here we give a brief overview of our strategies and discuss advantages and disadvantages
Hohle Markus M.
Neuhaeuser Ralph
Tetzlaff Nina
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