Table 2
X-ray spectral results.
| Model | N H LMC | kT | τ | EMa | O/H | Fe/H | χ2/d.o.f. | L X b |
| (1021 cm-2) | (keV) | (1012 s cm-3) | (1057 cm-3) | (1034 erg s-1) | ||||
|
|
||||||||
| MCSNR J0508−6830 | ||||||||
| vapec (LMC abund.) | 0.06 (<1.6) | 0.66 |
– | 1.14 |
0.46 | 0.63 | 1508.92/1554 | 1.29 |
| vapec (free abund.) | 0 | 0.71 |
– | 0.001 |
0 | >1.1c | 1488.34/1554 | 0.90 |
| vpshock (free abund.) | 0 | 0.60 |
2.75 (>0.47) | 0.28 |
0 | 4.12 |
1519.42/1553 | 0.93 |
|
|
||||||||
| MCSNR J0511−6759 | ||||||||
| vapec (LMC abund.) | 0 | 0.62 |
– | 1.9 ± 0.2 | 0.46 | 0.63 | 732.85/693 | 2.16 |
| vapec (free abund.) | 0 | 0.65 |
– | 0.12 |
0 | 11.4 |
707.52/692 | 1.56 |
| vpshock (free abund.) | 0 | 0.57 |
0.75 (>0.18) | 0.60 |
0 | 3.19 |
700.96/691 | 1.74 |
|
|
||||||||
| MCSNR J0514−6840 | ||||||||
| vapec (LMC abund.) | 0 (< 0.13) | 0.19 ± 0.01 | – | 10.2 ± 0.7 | 0.46 | 0.63 | 8041.68/7960 | 3.42 |
| vapec (free abund.) | 0.6 |
0.19 ± 0.01 | – | 17.8 |
0.30 |
0.36 |
7979.80/7958 | 3.81 |
| vpshock (free abund.) | 0 (< 0.09) | 0.30 ± 0.01 |
|
5.1 ± 0.3 | 0.28 ± 0.03 | 0.38 |
8005.27/7957 | 4.01 |
| vsedov (free abund.) | 0 (< 0.07) | 0.18–0.25d | 0.3–6d | 5.11–11.2 | 0.36 ± 0.05 | 0.34 ± 0.10 | 7975.11/7958 | 4.21 |
|
|
||||||||
| MCSNR J0517−6759 | ||||||||
| 2vapec (LMC abund.): | ||||||||
| Cool component | 3.5 | <0.14 | – | 112 |
0.46 | 0.63 | 2558.92/2547 | 0.47 |
| Hot component | 0 | 0.59 |
– | 1.85 |
1.96 | |||
Notes.Best-fit parameters of the various source models (details are in Sect. 5.2). Uncertainties are given at the 90% confidence level. Parameters with no uncertainties were frozen. The abundances of O and Fe are given relative to the solar values as listed in Wilms et al. (2000). The χ2 and associated degrees of freedom (d.o.f.) are also listed.
See Sect. 5.2 for a description of the uncertainties of the vsedov model.
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