Statistics of Galactic Supernova Remnants (continued)

Details Statistics of Galactic Supernova Remnants (continued) Statistics of Galactic Supernova Remnants (continued)

2009-09-02

arxiv.org/abs/0909.0432v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

13 pages, 12 figures

Scientific paper

Our statistics on Galactic supernova remnants (SNRs) shows that the electrons temperature ($T$) of hard X-ray and the shock waves traveling velocity ($\upsilon$) decreases with ages ($t$) for all-sort remnants. However, the shock waves swept-up mass ($M_{su}$) of ISM increases with the age. Second, the remnant radio fluxes ($S$) at 1 GHz increase slightly with ISM electrons density ($n_0$). At last, the number distributions illustrate that the supernovae (SNe) initial kinetic energy ($E_0$), hydrogen column density ($N_H$), electrons temperature (kT) of hard X-ray, magnetic field ($B$) and the shock waves swept-up mass ($M_{su}$) of ISM mainly peaked at $(1 \sim 10) \times 10^{50}$ ergs, $(1 \sim 10)\times 10^{21}$ cm$^{-2}$, a few KeV, 100 $\mu$G and 10$\sim$100 $M_{\odot}$, respectively.

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