Free Access

Table 9.

Plasma diagnostic of the spectra A, B, C, and D.

Spectrum A Spectrum B Spectrum C Spectrum D
NNe X(a) 0.39 ± 0.09 0.37 ± 0.11 0.31 ± 0.11
NMg XII 0.28 ± 0.04 0.24 ± 0.04 0.26 ± 0.04 0.24 ± 0.11
NSi XIV 0.70 ± 0.03 0.59 ± 0.04 0.72 ± 0.07 1.5 ± 0.4
NS XVI 0.74 ± 0.15 0.61 ± 0.15 1.0 ± 0.2
NCa XX 1.0 ± 0.3 0.8 ± 0.3
NFe XXV 1.5 ± 0.3
NFe XXVI 7.2 ± 1.3 9.6 ± 1.1 8.5 ± 1.5
Lx(b) 1.5 ± 0.2 1.0 ± 0.2 0.67 ± 0.11 0.41 ± 0.06
[NNe X]/[NNe] (c) 0.24 ± 0.08 0.31 ± 0.10 0.23 ± 0.09
[NMg XII]/[NMg] 0.37 ± 0.09 0.43 ± 0.09 0.41 ± 0.10 0.7 ± 0.4
[NSi XIV]/[NSi] 1.1 ± 0.2 1.3 ± 0.2 1.4 ± 0.3 5 ± 3
[NS XVI]/[NS] 3.0 ± 0.9 3.3 ± 0.9 4.7 ± 1.2
[NCa XX]/[NCa] 24 ± 9 23 ± 10
[NFe XXV]/[NFe] 2.5 ± 0.9
[NFe XXVI]/[NFe] 12 ± 3 22 ± 4 17 ± 4

Notes.

(a)

The equivalent column density of the ions shown are in units of 1017 atoms cm−2.

(b)

Unabsorbed extrapolated luminosity in the 0.1–100 keV energy range. The luminosity is in units of 1037 erg s−1 for a NS mass of 1.4 M.

(c)

The ratio is in units of 10−2.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.