2021ApJ...918L..37F

Query : 2021ApJ...918L..37F

2021ApJ...918L..37F - Astrophys. J., 918, L37-L37 (2021/September-2)

APOGEE-2 discovery of a large population of relatively high-metallicity globular cluster debris.

FERNANDEZ-TRINCADO J.G., BEERS T.C., QUEIROZ A.B.A., CHIAPPINI C., MINNITI D., BARBUY B., MAJEWSKI S.R., ORTIGOZA-URDANETA M., MONI BIDIN C., ROBIN A.C., MORENO E., CHAVES-VELASQUEZ L., VILLANOVA S., LANE R.R., PAN K. and BIZYAEV D.

Abstract (from CDS):

We report the discovery of a new, chemically distinct population of relatively high-metallicity ([Fe/H] > -0.7) red giant stars with super-solar [N/Fe] (>=+0.75) identified within the bulge, disk, and halo of the Milky Way. This sample of stars was observed during the second phase of the Apache Point Observatory Galactic Evolution Experiment (APOGEE-2); the spectra of these stars are part of the seventeenth Data Release (DR 17) of the Sloan Digital Sky Survey. We hypothesize that this newly identified population was formed in a variety of progenitors, and is likely made up of either fully or partially destroyed metal-rich globular clusters, which we refer to as globular cluster debris (GCD), identified by their unusual photospheric nitrogen abundances. It is likely that some of the GCD stars were probable members of the Gaia-Enceladus-Sausage accretion event, along with clusters formed in situ.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Stellar abundances - Red giant stars - Globular star clusters

Simbad objects: 49

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Number of rows : 49
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 UCAC4 636-007265 * 02 07 39.8245125140 +37 07 29.699549734   14.287 13.367 13.164   ~ 5 0
3 UCAC4 790-010717 * 03 52 13.3021282041 +67 55 39.034611336   16.249 14.805 14.322   ~ 7 0
4 UCAC4 570-011644 * 04 39 24.6706146024 +23 48 47.090965608     13.8394 14.46   ~ 7 0
5 TYC 8517-1671-1 * 05 12 06.2901550368 -59 13 43.850417916   11.587 10.701     ~ 12 0
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
7 2MASS J05254390-0237519 * 05 25 43.8957554679 -02 37 52.003611280           ~ 4 0
8 UCAC4 649-030305 * 05 29 41.6399746834 +39 42 52.457436063   14.683 13.077 12.539   ~ 8 0
9 2MASS J05495421+0043416 * 05 49 54.2166256944 +00 43 41.633034492           ~ 9 0
10 TYC 8525-512-1 * 06 04 03.9094216608 -56 00 06.507778860   12.360 11.400     ~ 11 0
11 UCAC4 121-009999 * 06 20 28.9718152520 -65 58 04.808611205     13.590 13.379   ~ 8 0
12 UCAC4 370-015031 * 06 30 19.9246023921 -16 04 28.450891652   15.439 14.435 14.227   ~ 6 0
13 UCAC4 684-043965 * 06 38 31.1743611137 +46 46 33.702728724   14.433 13.345 13.029   ~ 5 0
14 UCAC4 103-020902 * 06 41 00.7731896038 -69 26 19.785688349   14.577 12.995 12.610   ~ 4 0
15 UCAC4 138-009578 * 07 08 45.9837779784 -62 27 18.028763568   13.597 12.573 12.401   ~ 10 0
16 UCAC4 284-032628 * 08 12 06.4371401775 -33 20 40.954750047       14.882   ~ 5 0
17 UCAC4 204-020371 * 08 23 48.4630053929 -49 18 15.003723240       15.779   ~ 4 0
18 UCAC4 504-047659 * 08 28 00.5491268668 +10 36 10.685707245   15.784 14.586 14.388   ~ 6 0
19 TYC 3801-955-1 * 08 51 39.1278916608 +55 50 20.664447792   12.58 11.18     ~ 9 0
20 UCAC4 643-048222 * 10 39 21.7012429837 +38 28 49.712700379   14.008 12.828 12.597   ~ 10 0
21 UCAC4 396-051326 * 11 01 46.3149491542 -10 51 27.881661113   13.588 12.416 12.266   ~ 10 0
22 TYC 269-474-1 * 11 17 36.9085526856 +06 45 21.933430596   11.75 10.73     ~ 10 0
23 2MASS J12595431+5811394 HB* 12 59 54.3111678264 +58 11 39.493260564           ~ 14 0
24 2MASS J16051430+2801104 RG* 16 05 14.3021046456 +28 01 10.311740040           ~ 12 0
25 UCAC4 324-088825 * 16 48 56.0164758798 -25 22 20.267853410       14.524   ~ 5 0
26 2MASS J17173130-2728590 * 17 17 31.2888083859 -27 28 58.977409866           ~ 4 0
27 2MASS J17255366-3208304 * 17 25 53.66256 -32 08 30.4512           ~ 5 0
28 2MASS J17305251-2651528 * 17 30 52.5205859544 -26 51 52.763990580           ~ 12 0
29 2MASS J17372741-2816560 * 17 37 27.4171566471 -28 16 56.070549432           ~ 4 0
30 UCAC4 428-071361 * 17 37 27.5318630412 -04 25 59.788216992       15.732   ~ 6 0
31 2MASS J17433446-2842533 * 17 43 34.46592 -28 42 53.3196           ~ 6 0
32 2MASS J17441535-2227514 LP* 17 44 15.3452252492 -22 27 51.449411981           ~ 6 0
33 2MASS J17480068-2922069 * 17 48 00.6585152528 -29 22 07.218128781           ~ 5 0
34 VVV CL001 Gl? 17 54 42.5 -24 00 53           ~ 46 0
35 UCAC4 283-146744 * 17 57 14.1935205433 -33 28 19.439425015       15.317   ~ 6 0
36 2MASS J18022530-2928338 * 18 02 25.3017112440 -29 28 33.858475860           ~ 8 0
37 ESO 280-6 GlC 18 09 06.000 -46 25 24.00           ~ 74 0
38 UCAC4 333-179958 * 18 34 16.6890352799 -23 33 44.063759703       15.363   ~ 5 0
39 2MASS J18531386-0942286 * 18 53 13.8683089920 -09 42 28.610805958           ~ 6 0
40 GCl 111 GlC 19 18 02.10 +18 34 18.0           ~ 138 0
41 UCAC4 651-070795 HB* 19 23 39.2701107648 +40 03 38.628757188   13.947 12.718 12.547   ~ 20 0
42 UCAC4 635-069926 * 19 26 15.8404002102 +36 53 13.131857036   14.060 12.767 12.469   ~ 6 0
43 UCAC4 670-078067 RG* 19 44 28.8589510560 +43 54 54.436341708       12.917   ~ 15 0
44 2MASS J21070345+4733270 RG* 21 07 03.4471340136 +47 33 26.919564264           ~ 10 0
45 2MASS J22050390+5500110 * 22 05 03.90720 +55 00 11.0556           ~ 5 0
46 2MASS J22534888+0919004 * 22 53 48.8850475296 +09 19 00.309397405           ~ 5 0
47 2MASS J23065670+4724235 RG* 23 06 56.7115828008 +47 24 23.518510380           ~ 11 0
48 NAME Sgr Region reg ~ ~           ~ 47 0
49 NAME Gaia Enceladus-Sausage St* ~ ~           ~ 860 0

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