VLT-FLAMES analysis of 8 giants in the bulge metal-poor globular cluster NGC 6522: oldest cluster in the Galaxy? - Analysis of 8 giants in NGC 6522

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Volume 507 / No 1 (November III 2009)

A&A, 507 1 (2009) 405-415

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Table 7:

Abundance ratios derived and atomic parameters adopted.
Species	${\rm\lambda}$	${\rm\chi_{ex}}$	C₆	log gf	8 [X/Fe]
	( ${\rm\AA}$ )	(eV)	(cm⁶ s^-1)		B-8	B-107	B-108	B118	B-122	B-128	B-130	F-121
OI	6300.311	0.00	0.30E-31	-9.716	+0.3:	-	-	-	-	-	+0.5:	+0.5:
OI	6363.79	0.00	0.30E-31	-10.25	+0.2:	+0.5:	+0.7:	+0.3:	+0.7:	-	-	+0.5:
NaI	6154.230	2.10	0.90E-31	-1.56	+0.3	-0.3:	0.0	+0.1	+0.1	+0.1	+0.1	-0.1
NaI	6160.753	2.10	0.30E-31	-1.26	+0.4	-0.3:	-0.2	+0.1	+0.2	+0.1	+0.2	-0.1
MgI	6318.720	5.11	0.30E-31	-2.10	+0.1:	+0.20	+0.4:	+0.2	+0.2	+0.2	+0.4	+0.4
MgI	6319.242	5.11	0.30E-31	-2.36	+0.1:	-	+0.2:	0.0	+0.2	+0.2	+0.4	+0.4
MgI	6319.490	5.11	0.30E-31	-2.80	+0.1:	+0.20	+0.4:	+0.2	+0.2	+0.4	+0.4	+0.4
MgI	6765.450	5.75	0.30E-31	-1.94	-	+0.40:	-	-	-	+0.2:	+0.4:	+0.4:
SiI	6142.494	5.62	0.30E-31	-1.50	+0.2	+0.2	+0.4	+0.2	0.0	+0.2	+0.4	+0.2
SiI	6145.020	5.61	0.30E-31	-1.45	+0.4	+0.2	+0.2	+0.2	+0.2	+0.2	-	+0.2
SiI	6155.142	5.62	0.30E-30	-0.85	+0.2	+0.1	0.0	+0.2	-0.1	+0.2	+0.3	+0.2
SiI	6237.328	5.61	0.30E-30	-1.01	+0.4	+0.2	+0.2	+0.3	+0.2	+0.3	+0.4	+0.4
SiI	6243.823	5.61	0.30E-32	-1.30	+0.4	+0.2	+0.2	+0.4	+0.3	+0.4	+0.4	+0.4
SiI	6414.987	5.87	0.30E-30	-1.13	+0.4:	+0.2	+0.2	+0.4	+0.2	+0.2	+0.2	+0.2
SiI	6721.844	5.86	0.90E-30	-1.17	+0.4	+0.3	+0.2	+0.3	-	+0.2:	+0.4:	-
CaI	6156.030	2.52	4.0E-31	-2.39	-	+0.3	+0.1	0.0	0.0	+0.3	-	0.0:
CaI	6161.295	2.51	4.0E-31	-1.02	+0.2	0.0	+0.3	0.0	+0.3	+0.2	+0.3	+0.3
CaI	6162.167	1.89	3.0E-31	-0.09	0.0	+0.2	0.0	+0.2	0.0	0.0	+0.1	+0.3
CaI	6166.440	2.52	3.97E-31	-0.90	0.0	0.0	+0.2	+0.2	+0.3	0.0	+0.3	+0.3
CaI	6169.044	2.52	3.97E-31	-0.54	+0.3	+0.1	+0.1	+0.2	+0.3	+0.3	+0.1	+0.3
CaI	6169.564	2.52	4.0E-31	-0.27	+0.1	+0.2	+0.1	+0.3	+0.3	+0.3	+0.2	+0.3
CaI	6439.080	2.52	3.4E-32	+0.3	0.0	+0.3	+0.3	+0.3	+0.3	+0.3	+0.3	0.0
CaI	6455.605	2.52	3.39E-32	-1.35	+0.3	0.0	+0.3	+0.3	+0.3	-0.1	+0.4:	+0.3
CaI	6464.679	2.52	3.4E-32	-2.10	+0.3	0.0	+0.3	+0.3	+0.3	+0.3:	-	+0.3
CaI	6471.668	2.52	3.39E-32	-0.59	+0.3	0.0	+0.3	+0.3	+0.3	+0.3	+0.3	+0.3
CaI	6493.788	2.52	3.37E-32	0.0	+0.1	-0.3	0.0	+0.2	0.0	0.0	+0.1	-0.2
CaI	6499.654	2.52	3.37E-32	-0.85	+0.2	-0.3	+0.2	0.0	0.0	0.0	+0.1	-0.1
CaI	6572.779	0.00	1.75E-32	-4.32	+0.1	0.0	+0.3	+0.3	+0.2	0.0	+0.2	0.0
CaI	6717.687	2.71	4.1E-31	-0.61	0.0	0.0	0.0	+0.3	+0.3	+0.3	+0.3	+0.1
TiI	6126.224	1.07	1.37E-32	-1.43	+0.2	+0.2	+0.2	0.0	+0.1	+0.1	+0.2	0.0
TiI	6258.110	1.44	3.17E-32	-0.36	0.0	0.0	+0.2	0.0	+0.2	+0.2	0.0	+0.1
TiI	6261.106	1.43	4.68E-32	-0.48	0.0	0.0	0.0	0.0	+0.3	0.0	0.0	+0.2
TiI	6303.767	1.44	3.12E-32	-1.57	0.0:	0.0	-	+0.2	+0.2:	+0.2:	-	-
TiI	6336.113	1.44	1.86E-32	-1.74	-	-	+0.2:	+0.3	+0.3	0.0:	-	+0.3:
TiI	6554.238	1.44	1.81E-32	-1.22	+0.2	+0.2	+0.2	0.0	+0.2	+0.2	0.0	+0.2
TiI	6556.077	1.46	1.81E-32	-1.07	0.0	+0.2	+0.3	0.0	0.0	+0.2	+0.4	+0.2
TiI	6599.113	0.90	1.96E-32	-2.09	+0.2:	+0.3	+0.2:	+0.3	+0.2	+0.2::	+0.4:	+0.1
TiI	6743.127	0.90	0.30E-31	-1.73	0.0	+0.1	+0.2	-0.2	0.0	0.0	+0.2	+0.2
TiII	6491.580	2.06	0.30E-31	-2.10	+0.2	+0.3	+0.3	+0.3	+0.3	+0.3	+0.3	+0.1
TiII	6559.576	2.05	0.30E-31	-2.35	+0.3	0.0	+0.3	+0.3	+0.3	+0.3	+0.3	+0.2
TiII	6606.970	2.06	0.30E-31	-2.85	+0.2	+0.2:	+0.2	-	-	+0.3:	+0.3	+0.2
BaII	6141.727	0.70		-0.07^a	+1.0	+0.5	-0.1	+0.75	+0.5	+1.0	+0.25	-0.25
BaII	6496.908	0.60		-0.38^b	+0.9	+0.5	+0.15	+1.2	+0.75	+0.75	+0.25	-0.25
LaII	6390.480	0.32		-1.41^c	+0.5	+0.50	+0.3	+0.5	+0.3:	-	-	0.0:
EuII	6645.127	1.38		0.12^a	+0.5	0.0:	+0.5:	+0.5	+0.3:	0.0:	+0.8	+0.5

Column 5 reports the log gf adopted as described in Barbuy et al. (2007). For the heavy elements BaII, LaII and EuII, hyperfine structure was taken into account, and the log gf values reported correspond to the equivalent total $\log gf$ , adopted from a Hill et al. (2002), b Rutten (1978), c Lawler et al. (2001b).

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