Planetary nebulae and H ii regions in the spiral galaxy NGC 300 - Clues on the evolution of abundance gradients and on AGB nucleosynthesis

G. Stasińska; M. Peña; F. Bresolin; Y. G. Tsamis

doi:10.1051/0004-6361/201220345

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Volume 552 (April 2013)

A&A, 552 (2013) A12

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Table 9

Typical properties of PNe and their progenitors.

M_i [M_⊙]	1	2	2.5	3	4	5	6

in Fig. 10	black	red	green	blue	cyan	magenta

t_MS [yr]	8.5 × 10⁹	1.0 × 10⁹	5.4 × 10⁸	3.2 × 10⁸	1.5 × 10⁸	8.8 × 10⁷	5.7 × 10⁷	Ekström et al. (2012)^a
M_f [M_⊙]	0.55	0.6	0.63	0.68	0.8	0.88	0.95	Weidemann (2000)

Δlog N/O	0.00	0.30	0.36	0.38	0.44	0.68		Marigo (2001)^bZ = 0.02
Δlog O/H	0.01	0.06	0.07	0.07	0.02	0.01		Marigo (2001)^bZ = 0.02
Δlog N/O	0.14	0.30	0.33	0.37	0.41	0.60	0.96	Karakas (2010)^bZ = 0.02
Δlog O/H	0.00	0.00	−0.01	−0.02	−0.02	−0.04	−0.08	Karakas (2010)^bZ = 0.02
Δlog N/O	0.21	0.41	0.47	0.54	0.55		0.68	Lagarde et al. (2012)^dZ = 0.014
Δlog O/H	0.01	0.00	−0.01	−0.02	−0.03		−0.03	Lagarde et al. (2012)^dZ = 0.014
Δlog N/O	0.38	0.50	0.56	0.59	0.62		0.74	Lagarde et al. (2012) ^eZ = 0.014
Δlog O/H	0.02	0.00	−0.02	−0.02	−0.03		0.00	Lagarde et al. (2012)^eZ = 0.014

Δlog N/O	0.03	0.19	0.26	0.28	1.05	1.20		Marigo (2001)^bZ = 0.008
Δlog O/H	0.01	0.21	0.22	0.20	0.07	0.02		Marigo (2001)^bZ = 0.008
Δlog N/O	0.16	0.33	0.38	0.41	0.41	1.60	1.57	Karakas (2010)^bZ = 0.008
Δlog O/H	0.00	0.00	−0.01	−0.03	−0.01	−0.12	−0.22	Karakas (2010)^bZ = 0.008

Δlog N/O	0.05	−0.27	−0.12	−0.03	1.68	1.69		Marigo (2001)^bZ = 0.004
Δlog O/H	0.01	0.69	0.61	0.52	0.23	0.16		Marigo (2001)^bZ = 0.004
Δlog N/O	0.20	0.32	0.38	0.38	1.53	2.05	2.09	Karakas (2010)^bZ = 0.004
Δlog O/H	0.00	0.02	0.01	0.00	0.00	−0.19	−0.40	Karakas (2010)^bZ = 0.004
Δlog N/O	0.26	0.45	0.54	0.53	0.55		0.69	Lagarde et al. (2012)^dZ = 0.004
Δlog O/H	0.01	0.00	−0.02	−0.02	-0.02		−0.02	Lagarde et al. (2012)^dZ = 0.004
Δlog N/O	0.51	0.55	0.63	0.66	0.82		0.78	Lagarde et al. (2012)^eZ = 0.004
Δlog O/H	0.02	–0.01	−0.03	−0.03	−0.02		0.02	Lagarde et al. (2012)^eZ = 0.004

Notes.

^(a)

Non rotating solar metallicity models;

^(b)

synthetic models, with α=1.68;

^(c)

detailed, post-processed models;

^(d)

detailed models; computations until the end of the early AGB phase;

^(e)

detailed models with rotation; computations until the end of the early AGB phase.

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