2014A&A...563A..32C


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.03CEST22:40:48

2014A&A...563A..32C - Astronomy and Astrophysics, volume 563A, 32-32 (2014/3-1)

A sequence of nitrogen-rich very red giants in the globular cluster NGC 1851.

CARRETTA E., D'ORAZI V., GRATTON R.G. and LUCATELLO S.

Abstract (from CDS):

We present the abundances of N in a sample of 62 stars on the red giant branch (RGB) in the peculiar globular cluster NGC 1851. The values of [N/Fe] ratio were obtained by comparing the flux measured in the observed spectra with that from synthetic spectra for up to about 15 features of CN. This is the first time that N abundances are obtained for such a large sample of RGB stars from medium-resolution spectroscopy in this cluster. With these abundances, we provide chemical tagging of the split RGB found from several studies in NGC 1851. The secondary reddest sequence on the RGB is populated almost exclusively by N-rich stars, confirming our previous suggestion based on Stroemgren magnitudes and colours. These giants are also, on average, enriched in s-process elements such as Ba, and are likely the results of pollution from low-mass stars that experienced episodes of third dredge-up in the asymptotic giant branch phase.

Abstract Copyright:

Journal keyword(s): stars: abundances - globular clusters: individual: NGC 1851 - stars: Population II - globular clusters: general - stars: atmospheres

Simbad objects: 67

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Number of rows : 67

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 [CLG2011] 13618 RG* 05 13 28.2685528528 -40 10 21.605918446   16.392 15.482     ~ 6 0
2 GES J05134185-4004415 RG* 05 13 41.8641313008 -40 04 41.745421739   17.819 16.994     ~ 5 0
3 GES J05134382-4001154 RG* 05 13 43.8220525302 -40 01 15.572713129   16.859 16.012     ~ 7 0
4 GES J05134740-4004097 RG* 05 13 47.400 -40 04 09.73   17.019 16.090     ~ 6 0
5 2MASS J05134897-4001199 RG* 05 13 48.9852184469 -40 01 20.044714855   16.642 15.769     ~ 6 0
6 [CLG2011] 48277 RG* 05 13 50.9551534107 -39 56 08.301861961   17.659 16.863     ~ 5 0
7 GES J05135210-3957261 RG* 05 13 52.1076125929 -39 57 26.209051049   16.723 15.753     ~ 5 0
8 [CLG2011] 26880 RG* 05 13 52.9072018716 -40 04 05.337050716   17.537 16.699     ~ 5 0
9 [CLG2011] 39364 RG* 05 13 53.0455129584 -40 01 42.499496663   16.765 15.877     ~ 5 0
10 [CLG2011] 46958 RG* 05 13 53.4711813242 -39 58 45.185741453   17.048 16.204     ~ 5 0
11 2MASS J05135414-4003038 RG* 05 13 54.1523882309 -40 03 04.003033099   16.460 15.517     ~ 6 0
12 GES J05135599-4004536 RG* 05 13 55.9922518928 -40 04 53.571507455   16.765 15.814     ~ 6 0
13 [CLG2011] 41855 RG* 05 13 56.8232002289 -40 01 09.008308178   17.610 16.847     ~ 5 0
14 GES J05135713-4006315 RG* 05 13 57.1399789695 -40 06 31.763534131   17.002 16.120     ~ 5 0
15 [CLG2011] 25037 RG* 05 13 57.642 -40 04 30.96   16.975 16.106     ~ 5 0
16 2MASS J05135862-3959242 RG* 05 13 58.6294909929 -39 59 24.341039343   17.075 16.238     ~ 5 0
17 [CLG2011] 29203 RG* 05 13 58.8400 -40 03 36.500   16.162 15.115     ~ 4 0
18 [CLG2011] 44224 RG* 05 13 59.0549467797 -40 00 26.699843840   17.660 16.839     ~ 5 0
19 [CLG2011] 25497 RG* 05 13 59.2279281007 -40 04 24.405044575   17.452 16.608     ~ 5 0
20 GES J05140063-4000413 RG* 05 14 00.632 -40 00 41.24   17.624 16.854     ~ 4 0
21 [CLG2011] 27491 RG* 05 14 01.756 -40 03 57.26   17.499 16.685     ~ 5 0
22 GES J05140233-4001525 RG* 05 14 02.3387864144 -40 01 52.741655374   16.727 15.837     ~ 4 0
23 2MASS J05140259-4000220 RG* 05 14 02.6033022319 -40 00 22.270070136   16.549 15.653     ~ 6 0
24 [CLG2011] 25678 RG* 05 14 04.138 -40 04 21.58   17.713 16.940     ~ 4 0
25 [CLG2011] 40615 RG* 05 14 04.424 -40 01 25.93   16.114 15.156     ~ 6 0
26 GES J05140456-4005137 RG* 05 14 04.5687815558 -40 05 13.854441833   16.820 15.945     ~ 4 0
27 [CLG2011] 28116 RG* 05 14 04.602 -40 03 49.57   17.040 16.200     ~ 5 0
28 2MASS J05140473-4007017 RG* 05 14 04.7383507265 -40 07 01.938528534   17.339 16.521     ~ 7 0
29 [CLG2011] 45090 RG* 05 14 05.6317749656 -40 00 03.704975600   17.047 16.228     ~ 5 0
30 [CLG2011] 48085 RG* 05 14 06.1800 -39 56 43.300   16.115 15.144     ~ 4 0
31 2MASS J05140647-4005417 RG* 05 14 06.4785255419 -40 05 41.893542064   17.344 16.515     ~ 6 0
32 NGC 1851 GlC 05 14 06.76 -40 02 47.6   8.80 7.23     ~ 1241 0
33 Cl* NGC 1851 PML 37 * 05 14 07.3198872805 -40 01 30.338705699   16.414 15.533     ~ 6 0
34 [CLG2011] 23647 RG* 05 14 07.418 -40 04 55.58   16.693 15.806     ~ 3 0
35 [CLG2011] 21453 RG* 05 14 08.5053331979 -40 05 54.520140398   16.746 15.835     ~ 5 0
36 2MASS J05141002-3959035 RG* 05 14 10.0378838511 -39 59 03.647601355   17.316 16.521     ~ 6 0
37 2MASS J05141052-3958095 RG* 05 14 10.5411448762 -39 58 09.613350908   16.341 15.437     ~ 5 0
38 2MASS J05141133-4004092 RG* 05 14 11.3377866696 -40 04 09.403210248   17.293 16.472     ~ 7 0
39 GES J05141171-3959545 RG* 05 14 11.7146263930 -39 59 54.557712270   16.981 16.155     ~ 6 0
40 [CLG2011] 35999 RG* 05 14 12.0700 -40 02 20.200   15.962 14.971     ~ 4 0
41 Cl* NGC 1851 PML 21 * 05 14 12.852 -40 03 10.05   16.998 16.158     ~ 6 0
42 [CLG2011] 31284 RG* 05 14 14.1217993467 -40 03 12.808178187   16.767 15.893     ~ 5 0
43 [CLG2011] 20922 RG* 05 14 14.9505726725 -40 06 15.537374425   16.705 15.784     ~ 6 0
44 GES J05141566-4000059 RG* 05 14 15.6665717895 -40 00 05.923841346   17.096 16.245     ~ 6 0
45 [CLG2011] 32256 RG* 05 14 15.8426211972 -40 03 01.616461656   16.947 16.109     ~ 5 0
46 [CLG2011] 29470 RG* 05 14 17.5300 -40 03 32.700   17.413 16.548     ~ 4 0
47 [CLG2011] 31463 RG* 05 14 17.576 -40 03 10.61   17.774 17.031     ~ 5 0
48 [CLG2011] 30286 RG* 05 14 19.466 -40 03 23.76   16.985 16.115     ~ 5 0
49 2MASS J05141947-4000076 RG* 05 14 19.4879482231 -40 00 07.680385279   16.04 14.95     ~ 6 0
50 GES J05141979-4006446 RG* 05 14 19.7952810883 -40 06 44.707628123   17.281 16.429     ~ 7 0
51 GES J05142052-4003112 RG* 05 14 20.5324211749 -40 03 11.346628097   17.569 16.761     ~ 4 0
52 [CLG2011] 48388 RG* 05 14 20.6173847023 -39 55 53.837345273   16.937 16.136     ~ 5 0
53 2MASS J05142070-4004195 RG* 05 14 20.7103021146 -40 04 19.521726666   17.344 16.493     ~ 7 0
54 [CLG2011] 22588 RG* 05 14 20.7814010503 -40 05 18.937247257   16.762 15.878     ~ 5 0
55 [CLG2011] 36292 RG* 05 14 23.1188834108 -40 02 16.240791765   17.724 16.917     ~ 5 0
56 GES J05142480-4002227 RG* 05 14 24.8100043702 -40 02 22.699191993   16.813 15.874     ~ 6 0
57 [CLG2011] 38818 RG* 05 14 26.325 -40 01 48.13   17.618 16.804     ~ 5 0
58 [CLG2011] 22360 RG* 05 14 28.5206181672 -40 05 24.783540112   17.123 16.223     ~ 5 0
59 GES J05143531-4005355 RG* 05 14 35.3164995083 -40 05 35.495509496   16.530 15.572     ~ 4 0
60 2MASS J05143598-4005532 RG* 05 14 35.9989323769 -40 05 53.046434139   17.512 16.680     ~ 6 0
61 [CLG2011] 52570 RG* 05 14 39.4271098296 -40 01 54.586623016   17.680 16.902     ~ 4 0
62 [CLG2011] 49965 RG* 05 14 48.6787450160 -40 09 00.914630488   17.156 16.242     ~ 5 0
63 [CLG2011] 51311 RG* 05 15 00.8732360765 -40 04 41.763133359   16.706 15.758     ~ 5 0
64 IRAS 09110-6439 GlC 09 12 03.10 -64 51 48.6   7.77 5.69     ~ 1244 0
65 NGC 5139 GlC 13 26 47.28 -47 28 46.1   6.12 5.33     ~ 2996 0
66 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1676 0
67 NAME Local Group GrG ~ ~           ~ 6970 0

    Equat.    Gal    SGal    Ecl

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2020.07.03-22:40:48

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