Table 1: Details of emission lines used and the results of the analysis. Columns 2-4 give the emission line parameters. Columns 5 and 6 give the correlation coefficient qand the probability P that the correlation coefficient arises from a random distribution respectively. Column 7 gives the slope of the straight line fit and its error.
No. Ion $\lambda$ T q P slope

[Å] [MK]

1 HeII(2) 607.56 0.083 0.56 0.01 0.60 $\pm$ 0.02

2 OIII 599.59 0.11 0.86 0.00 0.59 $\pm$ 0.01

3 OIV 608.40 0.19 0.83 0.00 0.53 $\pm$ 0.01

4 OV 629.73 0.25 0.84 0.00 0.68 $\pm$ 0.01

5 NeVI 562.80 0.43 0.83 0.00 0.78 $\pm$ 0.01

6 NeVII 561.73 0.52 0.74 0.00 0.93 $\pm$ 0.01

7 CaX 557.76 0.66 0.06 0.77

8 MgVIII 315.01 0.81 0.29 0.18 0.62 $\pm$ 0.02

9 SiVIII 316.22 0.81 0.40 0.06 0.63 $\pm$ 0.02

10 MgIX 368.06 0.95 0.07 0.76

11 SiIX 349.9 1.07 -0.13 0.55

12 MgX 624.94 1.10 0.06 0.80

**Table 1:** Details of emission lines used and the results of the analysis. Columns 2-4 give the emission line parameters. Columns 5 and 6 give the correlation coefficient qand the probability P that the correlation coefficient arises from a random distribution respectively. Column 7 gives the slope of the straight line fit and its error.
No.	Ion	$\lambda$	T	q	P	slope
		[Å]	[MK]
1	HeII(2)	607.56	0.083	0.56	0.01	0.60 $\pm$ 0.02
2	OIII	599.59	0.11	0.86	0.00	0.59 $\pm$ 0.01
3	OIV	608.40	0.19	0.83	0.00	0.53 $\pm$ 0.01
4	OV	629.73	0.25	0.84	0.00	0.68 $\pm$ 0.01
5	NeVI	562.80	0.43	0.83	0.00	0.78 $\pm$ 0.01
6	NeVII	561.73	0.52	0.74	0.00	0.93 $\pm$ 0.01
7	CaX	557.76	0.66	0.06	0.77
8	MgVIII	315.01	0.81	0.29	0.18	0.62 $\pm$ 0.02
9	SiVIII	316.22	0.81	0.40	0.06	0.63 $\pm$ 0.02
10	MgIX	368.06	0.95	0.07	0.76
11	SiIX	349.9	1.07	-0.13	0.55
12	MgX	624.94	1.10	0.06	0.80

Source LaTeX | All tables | In the text

	1 Introduction
	2 Data
	3 Results
	4 Discussion
	5 Conclusions
	References