CDS

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

Query : 2014A&A...563A..32C

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 - 2024 		#notes
1 2MASS J05132825-4010215 RG* 05 13 28.2684956952 -40 10 21.603129996   16.392 15.482     ~ 10 0
2 2MASS J05134185-4004416 RG* 05 13 41.8641026976 -40 04 41.741719428   17.819 16.994     ~ 8 0
3 2MASS J05134381-4001154 RG* 05 13 43.8220017144 -40 01 15.572289684   16.859 16.012     ~ 12 0
4 2MASS J05134739-4004097 RG* 05 13 47.4056358648 -40 04 09.840624600   17.019 16.090     ~ 11 0
5 2MASS J05134897-4001199 RG* 05 13 48.9851610000 -40 01 20.043796440   16.642 15.769     ~ 10 0
6 2MASS J05135094-3956082 RG* 05 13 50.9551602312 -39 56 08.300429304   17.659 16.863     ~ 7 0
7 2MASS J05135210-3957261 RG* 05 13 52.1075996232 -39 57 26.208193104   16.723 15.753     ~ 9 0
8 2MASS J05135289-4004051 RG* 05 13 52.9069609512 -40 04 05.336935428   17.537 16.699     ~ 8 0
9 2MASS J05135304-4001424 RG* 05 13 53.0456013888 -40 01 42.499351992   16.765 15.877     ~ 9 0
10 2MASS J05135346-3958450 RG* 05 13 53.4711096048 -39 58 45.186742128   17.048 16.204     ~ 9 0
11 2MASS J05135414-4003038 RG* 05 13 54.1524411288 -40 03 04.001232096   16.460 15.517     ~ 9 0
12 2MASS J05135598-4004534 RG* 05 13 55.9921128552 -40 04 53.569834932   16.765 15.814     ~ 11 0
13 2MASS J05135680-4001088 RG* 05 13 56.8229817336 -40 01 09.007409460   17.610 16.847     ~ 9 0
14 2MASS J05135714-4006315 RG* 05 13 57.1398310704 -40 06 31.762199520   17.002 16.120     ~ 9 0
15 2MASS J05135764-4004310 RG* 05 13 57.6528371784 -40 04 31.142084340   16.975 16.106     ~ 9 0
16 2MASS J05135862-3959242 RG* 05 13 58.6296053184 -39 59 24.343326204   17.075 16.238     ~ 9 0
17 2MASS J05135883-4003363 RG* 05 13 58.8426768312 -40 03 36.517068936   16.162 15.115     ~ 9 0
18 2MASS J05135903-4000265 RG* 05 13 59.0548073400 -40 00 26.698394772   17.660 16.839     ~ 9 0
19 2MASS J05135922-4004241 RG* 05 13 59.2282579632 -40 04 24.404514780   17.452 16.608     ~ 9 0
20 2MASS J05140062-4000412 RG* 05 14 00.6423822888 -40 00 41.443383312   17.624 16.854     ~ 8 0
21 2MASS J05140175-4003572 RG* 05 14 01.7637322800 -40 03 57.401466984   17.499 16.685     ~ 8 0
22 2MASS J05140233-4001525 RG* 05 14 02.3388968400 -40 01 52.741619796   16.727 15.837     ~ 7 0
23 Cl* NGC 1851 WALK 368 RG* 05 14 02.6032637712 -40 00 22.269161700   16.549 15.653     ~ 11 0
24 2MASS J05140413-4004215 RG* 05 14 04.1456913744 -40 04 21.740855952   17.713 16.940     ~ 7 0
25 2MASS J05140442-4001258 RG* 05 14 04.4322508684 -40 01 26.080179763   16.114 15.156     ~ 9 0
26 2MASS J05140456-4005137 RG* 05 14 04.5688045968 -40 05 13.853465880   16.820 15.945     ~ 7 0
27 2MASS J05140459-4003495 RG* 05 14 04.6054863360 -40 03 49.706541648   17.040 16.200     ~ 8 0
28 2MASS J05140473-4007017 RG* 05 14 04.7383450728 -40 07 01.938207576   17.339 16.521     ~ 11 0
29 2MASS J05140562-4000035 RG* 05 14 05.6316196848 -40 00 03.705776748   17.047 16.228     ~ 8 0
30 2MASS J05140618-3956432 RG* 05 14 06.1881884544 -39 56 43.348468668   16.115 15.144     ~ 10 0
31 2MASS J05140647-4005417 RG* 05 14 06.4785306312 -40 05 41.894636424   17.344 16.515     ~ 8 0
32 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1408 0
33 Cl* NGC 1851 PML 37 * 05 14 07.3196794272 -40 01 30.337909716   16.414 15.533     ~ 9 0
34 2MASS J05140741-4004554 RG* 05 14 07.4204336144 -40 04 55.552128642   16.693 15.806     ~ 7 0
35 2MASS J05140849-4005544 RG* 05 14 08.5054114416 -40 05 54.518739000   16.746 15.835     ~ 10 0
36 2MASS J05141002-3959035 RG* 05 14 10.0378784568 -39 59 03.646563216   17.316 16.521     ~ 10 0
37 2MASS J05141052-3958095 RG* 05 14 10.5411040368 -39 58 09.612679404   16.341 15.437     ~ 8 0
38 2MASS J05141133-4004092 RG* 05 14 11.3377298352 -40 04 09.403235040   17.293 16.472     ~ 10 0
39 2MASS J05141170-3959544 RG* 05 14 11.7146258688 -39 59 54.557496024   16.981 16.155     ~ 10 0
40 2MASS J05141207-4002200 RG* 05 14 12.0806469600 -40 02 20.197534632   15.962 14.971     ~ 8 0
41 Cl* NGC 1851 PML 21 * 05 14 12.8595964592 -40 03 10.354409999   16.998 16.158     ~ 9 0
42 2MASS J05141411-4003126 RG* 05 14 14.1216907992 -40 03 12.809317032   16.767 15.893     ~ 9 0
43 2MASS J05141493-4006156 RG* 05 14 14.9505786672 -40 06 15.537148452   16.705 15.784     ~ 10 0
44 2MASS J05141565-4000058 RG* 05 14 15.6664890264 -40 00 05.923971828   17.096 16.245     ~ 11 0
45 2MASS J05141582-4003015 RG* 05 14 15.8426891808 -40 03 01.620957384   16.947 16.109     ~ 8 0
46 2MASS J05141752-4003327 RG* 05 14 17.5410668328 -40 03 32.715958104   17.413 16.548     ~ 8 0
47 2MASS J05141757-4003107 RG* 05 14 17.57688 -40 03 10.7352   17.774 17.031     ~ 7 0
48 2MASS J05141947-4003237 RG* 05 14 19.4747088432 -40 03 23.832580140   16.985 16.115     ~ 9 0
49 Cl* NGC 1851 XXX 41 RG* 05 14 19.4879142504 -40 00 07.680301812   16.04 14.95     ~ 11 0
50 2MASS J05141978-4006447 RG* 05 14 19.7953700400 -40 06 44.708545296   17.281 16.429     ~ 12 0
51 2MASS J05142052-4003113 RG* 05 14 20.5324470888 -40 03 11.346102720   17.569 16.761     ~ 7 0
52 2MASS J05142060-3955537 RG* 05 14 20.6172747936 -39 55 53.836137660   16.937 16.136     ~ 9 0
53 2MASS J05142070-4004195 RG* 05 14 20.7100471848 -40 04 19.521257232   17.344 16.493     ~ 11 0
54 2MASS J05142076-4005189 RG* 05 14 20.7814259808 -40 05 18.936082500   16.762 15.878     ~ 8 0
55 2MASS J05142311-4002162 RG* 05 14 23.1189363120 -40 02 16.241241876   17.724 16.917     ~ 9 0
56 2MASS J05142479-4002226 RG* 05 14 24.8099047416 -40 02 22.697967552   16.813 15.874     ~ 11 0
57 2MASS J05142633-4001480 RG* 05 14 26.3375012592 -40 01 48.173386548   17.618 16.804     ~ 8 0
58 2MASS J05142851-4005249 RG* 05 14 28.5205994664 -40 05 24.782989344   17.123 16.223     ~ 9 0
59 2MASS J05143530-4005355 RG* 05 14 35.3165530032 -40 05 35.494857672   16.530 15.572     ~ 8 0
60 2MASS J05143598-4005532 RG* 05 14 35.9989606416 -40 05 53.048460912   17.512 16.680     ~ 10 0
61 2MASS J05143941-4001545 RG* 05 14 39.4272081696 -40 01 54.585175584   17.680 16.902     ~ 6 0
62 2MASS J05144867-4009009 RG* 05 14 48.6785450328 -40 09 00.913806036   17.156 16.242     ~ 8 0
63 [CLG2011] 51311 RG* 05 15 00.8731648008 -40 04 41.764595232   16.706 15.758     ~ 8 0
64 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1405 0
65 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3378 0
66 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1829 0
67 NAME Local Group GrG ~ ~           ~ 8225 0

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2023.11.29-00:06:57

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