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Table 1.
Physical parameters used by and resulting from the fit.
| Definition | Parameter | Value |
|---|---|---|
| Measured or assumed parameters | ||
| Age | tage [kyr] | 7 |
| Characteristic age | τc [kyr] | 10.5 |
| Braking index | n | 2.5 |
| Present day spin-down luminosity | L(tage) [erg s−1] | 2.25 × 1037 |
| Distance | D [kpc] | 3 |
| Minimum energy at injection | γmin | 1 |
| SN explosion energy | ESN [erg] | 1051 |
| ISM density | ρISM [cm−3] | 0.1 |
| SNR core density index | wcore | 0 |
| SNR envelope density index | wenv | 9 |
| PWN adiabatic index | γPWN | 1.333 |
| SNR adiabatic index | γSNR | 1.667 |
| Containment factor | ϵ | 0.5 |
| Magnetic compression ratio | κ | 3 |
| CMB temperature | TCMB [K] | 2.73 |
| CMB energy density | ωCMB [eV cm−3] | 0.25 |
| FIR temperature | TFIR [K] | 25 |
| NIR temperature | TNIR [K] | 5000 |
| Derived parameters | ||
| Initial spin-down luminosity | L0 [erg s−1] | 1.13 × 1038 |
| Initial spin-down age | τ0 [kyr] | 7 |
| Fitted parameters | ||
| Energy break at injection | γb | 3338.00 (2082.91, 10597.30) |
| Low energy index at injection | α1 | 1.4522 (1.0000, 1.6432) |
| High energy index at injection | α2 | 2.3727 (2.3316, 2.3890) |
| Ejected mass | Mej [M⊙] | 8.8927 (8.1735, 9.3202) |
| Magnetic fraction | η | 0.0033 (0.0026, 0.0060) |
| FIR energy density | ωFIR [eV cm−3] | 0.0100 (0.0100, 0.4611) |
| NIR energy density | ωNIR [eV cm−3] | 0.0100 (0.0100, 5.0000) |
| Resulting features | ||
| PWN radius | RPWN (tage) [pc] | 9.33 |
| SNR forward shock radius | RFS (tage) [pc] | 16.23 |
| SNR reverse shock radius | RRS (tage) [pc] | 8.98 |
| PWN magnetic field | BPWN (tage) [μG] | 1.91 |
Notes. The bracketed terms in the fitted parameters section signify the lower and upper bounds of a 1σ confidence interval.
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