2014MNRAS.441.3161S

Query : 2014MNRAS.441.3161S

2014MNRAS.441.3161S - Mon. Not. R. Astron. Soc., 441, 3161-3169 (2014/July-2)

Zinc abundances of planetary nebulae.

SMITH C.L., ZIJLSTRA A.A. and DINERSTEIN H.L.

Abstract (from CDS):

Zinc is a useful surrogate element for measuring Fe/H as, unlike iron, it is not depleted in the gas phase media. Zn/H and O/Zn ratios have been derived using the [Zniv] emission line at 3.625µm for a sample of nine Galactic planetary nebulae, seven of which are based upon new observations using the Very Large Telescope (VLT). Based on photoionization models, O/O++ is the most reliable ionization correction factor for zinc that can readily be determined from optical emission lines, with an estimated accuracy of 10 percent or better for all targets in our sample. The majority of the sample is found to be subsolar in [Zn/H]. [O/Zn] in half of the sample is found to be consistent with solar within uncertainties, whereas the remaining half are enhanced in [O/Zn]. [Zn/H] and [O/Zn] as functions of Galactocentric distance have been investigated and there is little evidence to support a trend in either case.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

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

Simbad objects: 19

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Number of rows : 19
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 H 4-1 PN 12 59 27.78107 +27 38 10.6612           OB 167 0
2 HD 138764 Pu* 15 34 26.5142062512 -09 11 00.380211288 4.63 5.08 5.17 5.21 5.33 B5V 167 0
3 * sig Oph V* 17 26 30.8807335272 +04 08 25.293765444 7.39 5.82 4.31 3.22 2.46 K2II 183 0
4 HD 157955 * 17 27 37.5530838144 -29 43 28.440759612   5.983 5.974     B9.5IV 49 0
5 PN M 1-20 PN 17 28 57.6165015264 -19 15 54.033719256           ~ 136 0
6 PN M 3-14 PN 17 44 20.62 -34 06 40.6     14.90     ~ 91 0
7 PN M 3-15 PN 17 45 31.7096699160 -20 58 01.493896440           [WC4/6] 137 1
8 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
9 PN M 1-31 PN 17 52 41.4448424016 -22 21 57.159303984           [WC] 116 0
10 HD 163685 * 17 58 39.0498560448 -28 45 32.710460868 5.35 5.93 6.01     B3II/III 60 0
11 PN M 2-29 PN 18 06 40.9055211600 -26 54 56.375768340   15.24 14.29 15.15 15.905 ~ 139 0
12 * 15 Sgr s*b 18 15 12.9063291264 -20 43 41.767600368 4.64 5.42 5.37 5.27 5.19 O9.7Iab 268 0
13 PN M 3-25 PN 18 15 16.97376 -10 10 09.3612           ~ 55 0
14 PN MA 3 PN 18 17 49.4030035776 -06 48 21.475118592     17   15.549 ~ 31 0
15 PN K 3-30 PN 19 16 27.6978815786 +05 13 19.399015788           ~ 41 0
16 HD 183227 * 19 28 20.7982649208 +02 55 48.118590048 5.45 5.827 5.839     B7III 59 0
17 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2541 1
18 IC 5117 PN 21 32 30.96912 +44 35 47.5404           ~ 310 1
19 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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