2004MNRAS.349.1291E

Query : 2004MNRAS.349.1291E

2004MNRAS.349.1291E - Mon. Not. R. Astron. Soc., 349, 1291-1322 (2004/April-3)

The abundance distributions of Galactic bulge and disc planetary nebulae.

EXTER K.M., BARLOW M.J. and WALTON N.A.

Abstract (from CDS):

We present an abundance analysis of a sample of Galactic bulge planetary nebulae (GBPNe). The observational data set consists of spectra of 88 nebulae obtained with the FLAIR II multiobject spectrograph on the UK Schmidt Telescope, together with spectra of 42 nebulae obtained with the RGO Spectrograph on the Anglo-Australian Telescope. After selecting those for which reliable nebular electron temperatures could be derived, collisionally excited line abundances were derived for 45 GBPNe.

These were then compared with similarly derived abundances for 54 Galactic disc PNe (GDPNe), taken from the work of Kingsburgh & Barlow. We find that within the errors the abundances have the same average values, essentially the same distributions - including that for the mass-sensitive N/O ratio - and show the same relationships. The width of the nitrogen distribution exceeds that arising from errors, which could be a consequence of the range of precursor masses. The ratio of Type-I to non-Type-I PNe in the bulge and disc samples is similar, 18 and 25 per cent respectively. For the GDPNe, we find larger N/H and N/O ratios for the small number of those with He/H > 0.14, compared with those with He/H < 0.14.

For neither disc nor bulge sample is there any strong evidence for a depletion of oxygen for the higher-mass precursor stars (Type I PNe). We find no correlation between O/H and N/O or He/H. On the N/O to He/H plane, the bulge and disc PNe show a distribution whereby the low N/O values only occur for low He/H values, but at N/O > 0.25 the whole range of He/H values were sampled. The theoretical tracks to which we compare our data do not explain the PNe with low He/H abundance and high N/O ratio.

Realistic uncertainties in collisionally excited lines (CEL) abundances for individual PNe are quite large, of the order of 40 per cent for oxygen. Large samples are therefore required to get good statistical accuracy. This is usually achieved by combining many studies, and so we have compared the results of a number of published studies with our own, to search for any systematic differences. The average abundances are found to be the same within the errors except for cases where the abundance derivation methods are dissimilar, where systematic differences can occur. The N/O ratio is especially sensitive to the details of the abundance derivations.

Our bulge PN sample shows no evidence for either very-low-metallicity objects or for super-metal-rich objects - the implied mass and age distributions of the bulge PN precursor stars are indistinguishable within the observational errors from those in the local Galactic disc.


Abstract Copyright: 2004 RAS

Journal keyword(s): stars: abundances - planetary nebulae: general - Galaxy: abundances - Galaxy: bulge

Simbad objects: 146

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Number of rows : 146
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PN PC 14 PN 17 06 14.75 -52 30 00.5   17.2 16.5     [WC4/6] 119 0
2 PN M 3-36 PN 17 12 39.1651407264 -25 43 37.502399244     14.70     ~ 66 0
3 PN M 3-42 PN 17 26 59.85 -29 15 32.1     16.99 14.45   ~ 60 0
4 PN SaWe 2 PN 17 27 00.197 -27 40 35.11           ~ 38 0
5 PN Th 3-15 PN 17 27 10.6020826176 -27 43 58.817283348           ~ 37 0
6 PN Th 3-16 PN? 17 27 24.364 -29 21 14.53     15.85     Be 33 1
7 PN H 2-10 PN 17 27 32.86 -28 31 06.9     16.10     ~ 62 0
8 PN Al 2-B PN 17 27 47.1296613240 -28 11 03.395600016           ~ 21 0
9 PN Th 3-19 PN 17 28 41.8036709330 -28 27 19.720375964           ~ 37 0
10 ESO 454-35 ? 17 28 48 -29 05.7           ~ 22 2
11 PN M 4-4 PN 17 28 50.2977512256 -30 07 44.997790224           ~ 49 0
12 PN Th 3-20 Sy* 17 29 06.2025967464 -29 43 17.600796336     15.010 16.05 13.115 M1.5 45 1
13 PN Al 2-D * 17 29 27.7570640832 -29 47 08.687433552           M 9 2
14 PN H 1-17 PN 17 29 40.5936293856 -28 40 22.333706616     15.70     ~ 70 0
15 PN H 1-18 PN 17 29 42.76 -29 32 50.3           ~ 75 0
16 PN H 1-19 PN 17 30 02.57 -27 59 17.5     16.30     ~ 78 0
17 PN Al 2-E PN 17 30 14.4363597912 -27 30 20.385097740     17.50     ~ 42 0
18 PN Th 3-23 PN 17 30 21.36 -29 10 12.7           ~ 25 0
19 PN Al 2-F PN 17 30 30.44 -28 35 54.9     17.50     ~ 29 0
20 PN H 1-20 PN 17 30 43.8092470056 -28 04 06.841201728   17.1 16.0     ~ 85 0
21 PN Th 3-24 PN 17 30 51.354 -30 17 12.49           ~ 27 0
22 PN Th 3-55 PN 17 30 58.838 -31 01 05.73           ~ 38 0
23 PN H 2-13 PN 17 31 08.11 -30 10 28.3     16.60   18.501 ~ 45 0
24 PN Th 3-26 PN 17 31 09.30 -28 14 50.4   14.5 14.5     ~ 57 1
25 PN Al 2-G PN 17 32 22.5767585424 -28 14 28.841921808           ~ 22 0
26 PN Th 3-29 Sy* 17 32 27.887 -29 05 08.76     15.60   13.05 M3 26 2
27 PN H 1-23 PN 17 32 46.92 -30 00 14.9     16.00     ~ 77 0
28 PN Al 2-H PN 17 33 16.906 -30 26 30.74           ~ 24 0
29 PN Th 3-30 Sy* 17 33 43.3831939464 -28 07 21.072857412     16.10     M1 33 2
30 PN Al 2-I PN 17 34 13.819 -27 56 00.95   16.6 16.3     ~ 23 1
31 PN M 4-6 PN 17 35 13.99 -29 03 10.6           ~ 62 0
32 PN Th 3-32 Be* 17 35 15.4584141096 -28 07 02.573354532   18.8 17 15.1 15.13 Be 29 1
33 PN Al 2-J PN 17 35 35.503 -27 24 06.49           ~ 25 1
34 PN TrBr 4 PN 17 35 43.453 -30 21 26.42           ~ 21 0
35 PN Th 3-33 PN 17 35 48.123 -27 43 20.38           ~ 36 0
36 PN Al 2-K PN 17 36 14.178 -28 00 46.33           ~ 19 1
37 PN Bl B PN 17 36 59.836 -29 40 08.93           ~ 31 0
38 PN Th 3-34 PN 17 37 44.8898984040 -32 15 29.883143844           ~ 23 1
39 PN Th 3-35 PN 17 38 42.2436647070 -28 42 46.211180061           ~ 34 0
40 PN K 1-4 PN 17 40 27.52 -27 01 02.1     15.00     ~ 51 0
41 PN Bl 3-5 * 17 42 19.6890755712 -30 26 54.916311480       15.72 12.69 M2/3 13 2
42 PN M 1-26 PN 17 45 57.6673214328 -30 12 00.766253160   12.89 12.08 12.00   [WR] 220 0
43 PN Bl D PN 17 46 02.76 -31 03 38.7     18.00     ~ 30 0
44 PN M 1-27 WR? 17 46 45.4755803568 -33 08 35.133711936     13.90     [WC11]? 107 0
45 PN Al 2-M * 17 47 47.3767664376 -32 20 51.663784236       16.27 13.93 ~ 8 2
46 PN Hb 5 PN 17 47 56.20 -29 59 39.6   10.50 10.78     ~ 274 0
47 HD 316285 s*b 17 48 14.0372119152 -28 00 53.121269592 11.88 11.27 9.60 9.28   B0Ieq 197 2
48 JaSt 64 PN 17 48 56.0253835200 -31 06 42.656495544       18.1   ~ 36 0
49 PN Bl 3-3 * 17 49 32.055 -27 46 01.34       15.92 13.86 ~ 12 2
50 PN Al 2-N PN? 17 49 34.9766757431 -27 40 46.403660731         17.63 ~ 4 0
51 PN M 1-29 PN 17 50 17.9658145641 -30 34 54.987881214     14.00     ~ 91 1
52 PN M 3-43 PN 17 50 24.34 -29 25 18.5           ~ 57 0
53 PN M 3-44 PN 17 51 18.9230505792 -30 23 53.176813980     16.50     [WC11] 90 0
54 PN M 4-7 PN 17 51 44.663 -31 36 00.18           ~ 46 0
55 PN Al 2-O PN 17 51 45.2906395529 -32 03 03.985685465     16.40   14.59 ~ 37 1
56 WRAY 16-318 Sy* 17 51 45.7231718736 -32 54 51.728043708     15.9 15.18 12.35 M3 31 2
57 PN M 3-45 PN 17 52 05.96 -30 05 14.0     15.60     ~ 60 0
58 PN Bl 3-14 LP* 17 52 25.941 -29 45 57.01     17.692   13.03 M6: 28 1
59 PN M 2-16 PN 17 52 34.37 -32 45 51.4     14.80     ~ 77 0
60 PN Bl 3-15 PN 17 52 35.87 -29 06 38.6           ~ 37 0
61 PN M 3-16 PN 17 52 46.0471623240 -30 49 35.021065800     17.007   16.122 O(H)4-6III-V 81 0
62 PN H 2-29 PN 17 53 16.8231690912 -32 40 38.501200020     19.313   18.308 O(H) 64 0
63 PN Al 2-Q PN 17 53 25.040 -29 17 08.73           ~ 23 0
64 OGLE BLG-LPV-102396 LP* 17 53 36.4656690192 -31 25 25.842199368     19.215   13.967 ~ 25 0
65 PN M 2-18 PN 17 53 37.85 -32 58 47.8     14.90     ~ 65 0
66 PN M 2-19 PN 17 53 45.6485317560 -29 43 46.975373868     16.976   15.973 O(H)6-8III-V 97 0
67 PN Bl M PN 17 53 47.118 -28 27 17.11     16.6     ~ 47 0
68 PN Bl O PN 17 53 49.7366933616 -28 59 11.534113500       16.23   ~ 36 0
69 PN M 2-20 PN 17 54 25.32 -29 36 08.2     16.1     [WC5/6] 80 0
70 PN Sa 3-92 PN 17 54 52.062 -28 48 55.34           ~ 29 0
71 PN M 3-46 PN 17 55 05.65 -31 12 16.4     18.00     ~ 42 0
72 PN Bl 3-10 PN 17 55 20.537 -29 57 36.13           ~ 38 1
73 PN H 1-40 PN 17 55 36.0545698680 -30 33 32.359297176     15.50     ~ 107 0
74 PN H 2-31 PN 17 56 02.350 -28 14 11.36           ~ 31 0
75 PN Bl 3-13 PN 17 56 02.7875230032 -29 11 16.552199904     16.00     ~ 67 0
76 PN H 2-30 PN 17 56 14.233 -32 37 19.50           ~ 41 0
77 PN H 2-32 PN 17 56 24.3326114424 -29 38 06.740932164     15.60     ~ 41 0
78 PN M 3-17 PN 17 56 25.65 -31 04 17.2     16.50     [WC11]? 67 0
79 PN M 3-47 PN 17 57 43.367 -30 02 29.91           ~ 28 0
80 PN M 2-21 PN 17 58 09.58 -29 44 20.1           ~ 87 0
81 PN H 1-44 EB* 17 58 10.6463633856 -31 42 55.980086112     17.00   18.939 ~ 66 0
82 PN H 2-33 PN 17 58 12.5489490240 -31 08 06.374622696     17.00     ~ 51 0
83 PN M 3-19 PN 17 58 19.36 -30 00 39.3     15.50     ~ 70 0
84 PN H 1-45 Mi* 17 58 21.8662836432 -28 14 52.195092648     15.602   12.494 ~ 75 0
85 PN H 2-34 Sy* 17 58 28.0351570704 -28 33 42.018717960     17.676 15.62 13.215 ~ 26 1
86 PN Pe 2-11 PN 17 58 31.27 -27 37 05.8           ~ 49 0
87 PN H 1-46 PN 17 59 02.5031407080 -32 21 43.494698556     14.30     ~ 83 0
88 PN KFL 1 PN 17 59 15.585 -30 02 47.15           ~ 29 0
89 PN M 3-20 PN 17 59 19.35 -28 13 48.2     14.80     Of 85 0
90 PN M 3-48 PN 17 59 56.83 -31 54 28.1     16.50     ~ 51 0
91 PN H 1-47 PN 18 00 37.6202014872 -29 21 50.638625244     15.60     [WC11]? 83 0
92 PN KFL 2 PN 18 00 59.9261534928 -28 16 19.725938760           ~ 30 0
93 PN Pe 2-12 PN 18 01 10.2665329896 -27 38 19.740417900     14.60     ~ 60 0
94 PN M 2-23 PN 18 01 42.6413050824 -28 25 44.117293404     13.00     ~ 124 0
95 PN M 3-22 PN 18 02 19.27591 -30 14 26.2261           ~ 68 0
96 PN ShWi 1 PN 18 02 25.85 -29 25 05.4           ~ 28 1
97 PN M 2-25 PN 18 02 46.50 -32 09 29.0     16.50     ~ 38 0
98 PN KFL 4 PN 18 02 51.67 -27 40 59.6           ~ 29 0
99 PN KFL 3 PN 18 02 52.931 -31 23 58.49           ~ 22 0
100 PN ShWi 2 PN? 18 03 03.4174069224 -29 46 16.391104356         12.58 ~ 10 1
101 PN M 2-26 PN 18 03 11.92 -26 58 31.2     16.00     ~ 65 1
102 IC 4673 PN 18 03 18.4585925304 -27 06 22.715564832     13.50     O(H)8 120 0
103 PN ShWi 4 PN? 18 03 38.8626884640 -29 45 46.160855064       14.79 13.18 ~ 7 1
104 PN M 2-27 PN 18 03 52.5718384152 -31 17 47.161796424     14.40     [WC4]: 110 0
105 PN H 1-50 PN 18 03 53.5082954976 -32 41 42.015068628   10 12.80     ~ 87 0
106 PN ShWi 5 Sy* 18 03 53.6911897560 -29 51 22.128584040       15.78   ~ 37 2
107 PN ShWi 6 PN? 18 03 58.171 -29 26 57.05       16.48   ~ 7 1
108 PN H 2-37 PN 18 04 28.874 -28 37 34.55           ~ 55 0
109 PN M 3-51 PN 18 04 56.20 -32 54 02.0     16.00     ~ 40 0
110 PN M 2-28 PN 18 05 02.73 -30 58 18.0     15.50     ~ 57 0
111 PN ShWi 7 PN 18 05 05.5348324735 -29 20 15.427854622           ~ 27 2
112 PN M 1-37 PN 18 05 25.8092901000 -28 22 04.282489956     14.70     [WC11]? 135 0
113 PN M 1-38 PN 18 06 05.74 -28 40 30.0     13.90     ~ 106 0
114 PN M 2-29 PN 18 06 40.9055211600 -26 54 56.375768340   15.24 14.29 15.15 15.905 ~ 139 0
115 PN M 3-23 PN 18 07 06.16 -30 34 17.8     14.50     ~ 63 0
116 PN H 1-54 PN 18 07 07.2793260936 -29 13 05.972785284     13.90     ~ 108 0
117 PN H 1-55 PN 18 07 14.5591261848 -29 41 24.652100940     16.30     ~ 83 0
118 PN KFL 9 PN 18 07 19.381 -31 42 56.95           ~ 26 0
119 PN H 1-56 PN 18 07 53.8842030888 -29 44 34.338810768     15.00     O? 85 0
120 PN H 2-39 PN 18 08 05.759 -28 26 10.50           ~ 46 0
121 PN H 2-40 PN 18 08 30.76 -31 36 35.3     17.00     ~ 42 0
122 PN KFL 11 PN 18 10 12.244 -27 16 35.00           ~ 36 0
123 PN KFL 12 PN 18 10 30.807 -28 19 22.91           ~ 36 0
124 PN M 1-42 PN 18 11 04.99 -28 58 59.1   13.1 14.00     ~ 221 0
125 EM* AS 283 PN 18 11 35.1005488652 -28 22 36.727284875   11 13.70     B0I-III 82 0
126 NGC 6565 PN 18 11 52.4858232888 -28 10 42.421241244   12.5 12.2 12.12   PN 233 0
127 PN H 2-41 PN 18 12 23.765 -27 52 13.86           ~ 59 0
128 PN H 1-60 PN 18 12 25.22 -27 29 12.8           [WC] 76 0
129 PN M 2-30 PN 18 12 34.40 -27 58 10.5   13.5 14.00     ~ 110 0
130 PN H 2-43 PN 18 12 47.9863208808 -28 19 59.741701932   12 14.20     ~ 74 0
131 PN KFL 14 PN 18 13 01.106 -29 25 15.59           ~ 24 0
132 PN H 1-62 PN 18 13 17.9603689512 -32 19 42.905276868   12 14.00     WC10-11 58 0
133 PN M 2-32 PN 18 14 50.6059044528 -32 36 55.158494076   13.1 13.70     ~ 49 1
134 PN M 2-33 PN 18 15 06.5634327720 -30 15 33.265211580       14.61 14.03 O5f(H) 111 0
135 PN M 3-26 PN 18 16 11.44 -27 14 58.3     15.00     ~ 70 0
136 PN SwSt 1 PN 18 16 12.2834104368 -30 52 07.906578996   12.1 11.10     [WC9/10] 301 0
137 PN M 1-44 PN 18 16 17.3419504152 -27 04 30.536970384   12.5 12.5     Be 86 0
138 PN H 1-63 PN 18 16 19.3441096560 -30 07 36.067926540       14.232   O? 132 1
139 PN M 2-36 PN 18 17 41.43 -29 08 19.9         17.012 ~ 140 0
140 PN Pe 1-12 PN 18 17 42.379 -28 17 13.80           ~ 46 0
141 PN M 2-37 PN 18 18 38.501 -28 08 01.55     14.50 16.25 14.62 ~ 42 0
142 PN Al 1 PN 18 34 55.2533574888 -27 06 19.081866528     18.00     ~ 36 0
143 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
144 PN Hb 8 PN 19 05 35.9385167760 -33 11 38.011972668   14.47 13.22 15.39   ~ 76 0
145 Hen 2-436 PN 19 32 06.7087636488 -34 12 57.520724796   13.3       [WC4] 84 0
146 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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