Nitrogen abundance in the X-ray halos of clusters and groups of galaxies

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Volume 621 (January 2019)

A&A, 621 (2019) A9

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Table 6.

Best fits (d.o.f. = 7) of chemical enrichment in NGC 5044, given the IMF power-law index and initial metallicity of the stellar population.

IMF^a	Z_init ^b	SNIa	AGB^c	χ²
2.35	0.02	DDTc	N	11.3
2.35	0.008	DDTc	N	14.5
2.35	0.004	WDD3	N	18.1
2.35	0.001	DDTd	N	16.5
2.35	0	DDTa	N	53.9
1.0	0.02	DDTc	N	14.2
1.0	0.008	DDTc	N	18.0
1.0	0.004	DDTc	N	22.7
1.0	0.001	DDTc	N	21.5
1.0	0	DDTa	N	> 100
2.35	0.02	DDTc	Y	11.3
2.35	0.008	DDTc	Y	13.2
2.35	0.004	DDTc	Y	14.5
2.35	0.001	DDTd	Y	22.5
2.35	0	DDTa	Y	52.5
1.0	0.02	DDTc	Y	13.7
1.0	0.008	DDTc	Y	15.7
1.0	0.004	DDTc	Y	18.7
1.0	0.001	DDTc	Y	18.4
1.0	0	DDTa	Y	> 100

Notes.

^(a)

The power-law index of the IMF.

^(b)

The initial metallicity of the stellar populations.

^(c)

Whether the N/Fe ratio and the yields of AGBs are included in the fit.

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