2000A&A...353..543C

Query : 2000A&A...353..543C

2000A&A...353..543C - Astronomy and Astrophysics, volume 353543-556 (2000/1-2)

Observations of planetary nebulae in the Galactic Bulge.

CUISINIER F., MACIEL W.J., KOEPPEN J., ACKER A. and STENHOLM B.

Abstract (from CDS):

High quality spectrophotometric observations of 30 Planetary Nebulae in the Galactic Bulge have been made. Accurate reddenings, plasma parameters, and abundances of He, O, N, S, Ar, Cl are derived. We find the abundances of O, S, Ar in the Planetary Nebulae in the Galactic Bulge to be comparable with the abundances of the Planetary Nebulae in the Disk, high abundances being maybe slightly more frequent in the Bulge. The distribution of the N/O ratio does not present in the Galactic Bulge Planetary Nebulae the extension to high values that it presents in the Disk Planetary Nebulae. We interpret this as a signature of the greater age of Bulge Planetary Nebulae. We thus find the Bulge Planetary Nebulae to be an old population, slightly more metal-rich than the Disk Planetary Nebulae. The population of the Bulge Planetary Nebulae shows hence the same characteristics than the Bulge stellar population.

Abstract Copyright: ∼

Journal keyword(s): ISM: planetary nebulae: general - Galaxy: abundances - Galaxy: center

Simbad objects: 36

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Number of rows : 36
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 CD-34 239 PM* 00 41 30.4739854200 -33 37 32.030888686 13.138 11.969 10.525 9.619 8.741 K9V 116 0
2 CD-32 9927 * 14 11 46.3227735768 -33 03 14.373268704   10.793 10.444 10.12 10.106 A4 104 0
3 PN M 1-19 PN 17 03 46.8491993472 -33 29 44.433527316   15.02 13.87 14.87 14.16 [WC] 75 0
4 PN H 1-9 PN 17 21 31.9113826563 -30 20 48.608058709   16.034 14.636 14.808   ~ 86 0
5 PN M 3-8 PN 17 24 52.15 -28 05 54.6     15.40     ~ 92 0
6 PN M 3-10 PN 17 27 20.19 -28 27 51.2     14.40     ~ 95 0
7 PN H 2-10 PN 17 27 32.86 -28 31 06.9     16.10     ~ 62 0
8 PN H 1-15 PN 17 28 37.6286372256 -24 51 07.218909000     15.10     ~ 64 0
9 PN H 1-16 PN 17 29 23.4288306495 -26 26 05.773990642   16.9 15.63 14.25 15.37 ~ 61 1
10 PN H 1-17 PN 17 29 40.5936293856 -28 40 22.333706616     15.70     ~ 70 0
11 PN H 1-20 PN 17 30 43.8092470056 -28 04 06.841201728   17.1 16.0     ~ 85 0
12 PN M 4-5 PN 17 34 54.72 -26 35 57.3     17.50     ~ 73 0
13 PN H 1-27 PN 17 40 17.9448389544 -22 19 18.212179332           ~ 71 0
14 IC 4665 27 * 17 43 55.8394428292 +05 24 48.245014179   10.46 10.21     A3V 82 0
15 PN H 1-29 WV* 17 44 13.8729577601 -34 17 32.824856894     14.90 16.04 14.90 [WC4/6] 76 0
16 PN M 3-14 PN 17 44 20.62 -34 06 40.6     14.90     ~ 91 0
17 PN H 1-31 PN 17 45 31.9673698920 -34 33 54.807699996     14.50     ~ 68 0
18 PN H 1-32 PN 17 46 06.32760 -34 03 46.3356           ~ 68 0
19 PN M 1-27 WR? 17 46 45.4755803568 -33 08 35.133711936     13.90     [WC11]? 107 0
20 PN H 1-33 PN 17 47 49.4162559989 -34 08 05.126681277     15.30     ~ 66 1
21 PN M 3-45 PN 17 52 05.96 -30 05 14.0     15.60     ~ 60 0
22 PN M 2-16 PN 17 52 34.37 -32 45 51.4     14.80     ~ 77 0
23 PN M 3-16 PN 17 52 46.0471623240 -30 49 35.021065800     17.007   16.122 O(H)4-6III-V 81 0
24 PN H 1-39 PN 17 53 21.0206431968 -33 55 58.445317128     15.20     [WC11]? 68 0
25 PN M 2-18 PN 17 53 37.85 -32 58 47.8     14.90     ~ 65 0
26 PN M 2-19 PN 17 53 45.6485317560 -29 43 46.975373868     16.976   15.973 O(H)6-8III-V 97 0
27 PN Cn 2-1 PN 17 54 33.010 -34 22 21.15     12.70 14.47 13.70 ~ 136 0
28 PN H 1-40 PN 17 55 36.0545698680 -30 33 32.359297176     15.50     ~ 107 0
29 PN M 3-17 PN 17 56 25.65 -31 04 17.2     16.50     [WC11]? 67 0
30 PN H 1-47 PN 18 00 37.6202014872 -29 21 50.638625244     15.60     [WC11]? 83 0
31 PN H 1-50 PN 18 03 53.5082954976 -32 41 42.015068628   10 12.80     ~ 87 0
32 PN M 1-37 PN 18 05 25.8092901000 -28 22 04.282489956     14.70     [WC11]? 135 0
33 PN M 1-42 PN 18 11 04.99 -28 58 59.1   13.1 14.00     ~ 221 0
34 CD-44 12736 PM* 18 36 25.9502475648 -44 18 36.907592904   10.83 10.22     G0 222 0
35 Feige 110 HS* 23 19 58.3996844256 -05 09 56.171142864 10.360 11.45 11.50 11.970 12.145 sdO8VIIIHe5 673 1
36 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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