2006PASP..118..183W

Query : 2006PASP..118..183W

2006PASP..118..183W - Publ. Astron. Soc. Pac., 118, 183-204 (2006/February-0)

The elemental abundances in bare planetary nebula central stars and the shell burning in AGB stars.

WERNER K. and HERWIG F.

Abstract (from CDS):

We review the observed properties of extremely hot, hydrogen-deficient post-asymptotic giant branch (AGB) stars of spectral type [WC] and PG1159. Their H deficiency is probably caused by a (very) late helium-shell flash or an AGB final thermal pulse, laying bare interior stellar regions that are usually kept hidden below the hydrogen envelope. Thus, the photospheric elemental abundances of these stars allow us to draw conclusions about details of nuclear burning and mixing processes in the precursor AGB stars. We summarize the state of the art of stellar evolution models that simulate AGB evolution and the occurrence of a late He-shell flash. We compare predicted elemental abundances to those determined by quantitative spectral analyses performed with advanced non-LTE model atmospheres. Good qualitative and quantitative agreement is found. Future work can contribute to an even more complete picture of the nuclear processes in AGB stars.

Abstract Copyright: ∼

Journal keyword(s): Stars: AGB and Post-AGB - Stars: Abundances - Stars: Atmospheres - Stars: Evolution - Stars: Interiors - nuclear reactions, nucleosynthesis, abundances

CDS comments: Table 1 Sanduleak 3 can be PN Sa 1-3 or PN Sa 2-3 in Simbad.

Simbad objects: 62

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Number of rows : 62
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 KPD 0005+5106 WD* 00 08 18.1703149584 +51 23 16.598370912 11.80 13.04 13.32 13.53   DOZ1 120 0
2 NGC 40 PN 00 13 01.0170097248 +72 31 19.033338720   11.63 11.46     [WC8] 617 2
3 PB 5835 WD* 00 16 51.4153668936 -01 13 29.300107908   16   17.41   PG1159 22 0
4 NGC 246 PN 00 47 03.3420341616 -11 52 18.971126076 10.15 11.52 11.76 12.18   PG1159 475 0
5 RX J0122.9-7521 WD* 01 22 53.4122561952 -75 21 14.724358308     15.4     PG1159 43 0
6 PG 0122+200 WD* 01 25 22.5121704552 +20 17 56.963079924   16.2   16.9   DOZ.7 112 0
7 GD 1088 WD* 01 32 39.347 -19 21 40.38   15.51 15.77 15.77   PG1159 47 0
8 M 76 PN 01 42 19.6557728208 +51 34 31.534970052     17.48   17.69 DOZ 374 2
9 BD+37 442 HS* 01 58 33.4346638392 +38 34 23.842803324   9.69 9.92     sdOHe 67 0
10 PN IsWe 1 PN 03 49 05.9053580088 +50 00 14.898517992 15.71 16.374 16.523 16.576 16.644 DOZ 63 1
11 KUV 03467-0108 WD* 03 49 17.4089215872 -00 59 19.230310320   18.0       PG1159 22 1
12 NGC 1501 PN 04 06 59.3920909320 +60 55 14.278542024   15.17 13.0     [WO4] 296 1
13 HS 0444+0453 WD* 04 47 04.5045887496 +04 58 41.340500616   15.9   16.1   DQZO.5 26 0
14 SMP LMC 83 PN 05 36 20.7215081304 -67 18 07.658262756 15.56 16.225 14.948   16.558 [WN4.5:] 145 0
15 PN K 1-27 PN 05 57 02.1748457640 -75 40 22.478040120     16.04 16.27 16.41 sdOHe 87 0
16 PN M 3-1 PN 07 02 49.9034289668 -31 35 29.173259232   12.9 12.70     ~ 125 0
17 HS 0704+6153 WD* 07 09 32.4965901360 +61 48 19.458822312   17.3   17.1   PG1159 40 0
18 WRAY 17-1 PN 07 14 49.4240697984 -46 57 39.199063500   13.8 13.00     PG1159 83 0
19 PN A66 21 PN 07 29 02.7096654192 +13 14 48.587555184   15.67 15.99     DOZ 191 0
20 KUV 07523+4017 WD* 07 55 40.9407521736 +40 09 17.910022752   17.00 17.53     PG1159 22 0
21 PN ARO 121 PN 07 57 51.6169237320 +53 25 16.950484848   16.775 17.128 17.288 17.501 DQ 162 1
22 PN A66 30 PN 08 46 53.4639874872 +17 52 46.369394580   14.23 14.30 13.47   [WC5] 411 0
23 CD-45 5058 HS* 09 20 10.1317907208 -45 31 54.942917700 9.81 11.03 11.33 11.62   sdO 58 0
24 GALEX J093546.5+110529 WD* 09 35 46.5393775728 +11 05 28.911314760           PG1159 18 0
25 PN Lo 4 PN 10 05 45.7880109408 -44 21 33.523482384           sdO 139 1
26 SBSS 1020+541 WD* 10 23 27.4218578112 +53 52 58.706674968   17.5 17.91     PG1159 22 0
27 V* DN Leo Pu* 10 38 55.2343433712 +10 03 48.486337812   9.76 9.93     Bp 144 0
28 PG 1144+005 WD* 11 46 35.2284791112 +00 12 33.539992056   14.922 15.233     PG1159 89 0
29 PN LoTr 4 PN 11 52 29.2564204824 -42 17 38.943700548           O(He) 56 0
30 PG 1151-029 WD* 11 54 15.0623712576 -03 12 05.135581440   16.07       DOZ1 33 0
31 V* GW Vir WD* 12 01 45.9731868264 -03 45 40.628670300   14.87 15.04     DOQZ1 490 0
32 GALEX J121523.1+120301 WD* 12 15 23.0850752112 +12 03 00.798385248           PG1159 16 0
33 FBS 1342+673 WD* 13 43 41.8834097904 +67 01 54.512227344           PG1159 23 0
34 PG 1424+535 WD* 14 25 55.4615842224 +53 15 25.138507140   15.412 15.963     PG1159 75 0
35 HE 1429-1209 WD* 14 32 20.7451392024 -12 22 48.253478808   15.7 16.15 16.27   PG1159 27 0
36 SBSS 1446+575 WD* 14 47 34.1180967672 +57 20 53.108181168   17.28 18.05     PG1159 18 0
37 PG 1501+664 WD* 15 02 09.6299323152 +66 12 19.148868324   16.07 16.37     DZQ1 158 0
38 HS 1517+7403 WD* 15 16 46.4260387056 +73 52 06.953282400   16.4   16.9   DO 41 0
39 PG 1520+525 PN 15 21 46.5635130432 +52 22 03.867341340   15.56 16.6     PG1159 111 1
40 HS 1522+6615 WD* 15 22 56.6956117920 +66 04 42.031760016   16.4       DO 25 0
41 PN StWr 4-10 PN 16 02 13.0530888744 -41 33 36.067165524   13.9 15.00     [WC2/3] 56 0
42 PG 1707+427 WD* 17 08 47.6869215528 +42 41 00.558430656           PG1159 116 0
43 V* V4334 Sgr CV* 17 52 32.69352 -17 41 08.0160           F2Ia 372 0
44 PN A66 43 PN 17 53 32.2767758208 +10 37 24.210757560   14.53 14.71     O7fk 136 0
45 IRAS 17514-1555 PN 17 54 21.13104 -15 55 52.0032           [WC11] 101 0
46 PN K 1-16 PN 18 21 52.1086837968 +64 21 53.406292104   14.44 14.96 15.26   PG1159 250 0
47 SH 2-68 PN 18 24 58.4294414904 +00 51 36.021249072   16.0 16.5     DAOZ.6 130 1
48 SH 2-78 PN 19 03 10.0757173680 +14 06 58.775577876   17.633 17.660 17.608 17.543 DO 36 0
49 NGC 6765 PN 19 11 06.5583234216 +30 32 43.674073296           PG1159 73 1
50 V* RY Sgr RC* 19 16 32.7668605944 -33 31 20.340212592 6.20 6.27 6.25     Cpec 363 0
51 PN A66 58 PN 19 18 20.476 +01 46 59.62           [WC4] 315 0
52 HD 184738 PN 19 34 45.2337620448 +30 30 58.950651240   10.41 10.44     [WC9] 952 0
53 NGC 6852 PN 20 00 39.2100674640 +01 43 40.921293540   17.70       PG1159 68 1
54 Hen 1-5 pA* 20 11 56.0595568008 +20 20 04.420944132 11.41 10.66 9.45     G8/K0Iae 507 0
55 Hen 2-459 PN 20 13 57.8909464128 +29 33 55.874044764   14.10 12.67     [WC9] 102 0
56 MWP 1 PN 21 17 08.2817782392 +34 12 27.415995372     12.33     PG1159 186 0
57 [D75b] Em* 21-021 PN 21 29 58.4711786760 +51 04 00.323924520   15.66 14.20 13.89   O7(f)/[WC11] 244 0
58 V* IR Peg WD* 21 34 08.2124719240 +06 50 57.662044329   16.15       PG1159 118 0
59 PN A66 78 PN 21 35 29.3816259120 +31 41 45.449196108   13.04 13.25     [WC5] 326 0
60 NGC 7094 PN 21 36 52.9687364088 +12 47 19.099274136     13.650 13.775   sdB/sdO 194 0
61 V* V409 And WD* 23 27 15.9353097240 +40 01 23.429781408   14.1 15.41     DO 79 0
62 PN Jn 1 PN 23 35 53.3214838680 +30 28 06.336745212   15.52 15.62     DOZ 107 0

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