2019ApJ...874...97S

Query : 2019ApJ...874...97S

2019ApJ...874...97S - Astrophys. J., 874, 97-97 (2019/March-3)

Chemical abundances of main-sequence, turnoff, subgiant, and red giant stars from APOGEE spectra. II. Atomic diffusion in M67 stars.

SOUTO D., ALLENDE PRIETO C., CUNHA K., PINSONNEAULT M., SMITH V.V., GARCIA-DIAS R., BOVY J., GARCIA-HERNANDEZ D.A., HOLTZMAN J., JOHNSON J.A., JONSSON H., MAJEWSKI S.R., SHETRONE M., SOBECK J., ZAMORA O., PAN K. and NITSCHELM C.

Abstract (from CDS):

Chemical abundances for 15 elements (C, N, O, Na, Mg, Al, Si, K, Ca, Ti, V, Cr, Mn, Fe, and Ni) are presented for 83 stellar members of the 4 Gyr old solar-metallicity open cluster M67. The sample contains stars spanning a wide range of evolutionary phases, from G dwarfs to red clump stars. The abundances were derived from near-IR (λ1.5-1.7 µm) high-resolution spectra (R = 22,500) from the SDSS-IV/Apache Point Observatory Galactic Evolution Experiment (APOGEE) survey. A 1D local thermodynamic equilibrium abundance analysis was carried out using the APOGEE synthetic spectral libraries, via χ2 minimization of the synthetic and observed spectra with the qASPCAP code. We found significant abundance differences (∼0.05-0.30 dex) between the M67 member stars as a function of the stellar mass (or position on the Hertzsprung-Russell diagram), where the abundance patterns exhibit a general depletion (in [X/H]) in stars at the main-sequence turnoff. The amount of the depletion is different for different elements. We find that atomic diffusion models provide, in general, good agreement with the abundance trends for most chemical species, supporting recent studies indicating that measurable atomic diffusion operates in M67 stars.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): diffusion - infrared: stars - open clusters and associations: general - stars: abundances

VizieR on-line data: <Available at CDS (J/ApJ/874/97): table1.dat table2.dat table3.dat>

Simbad objects: 114

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Number of rows : 114
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 NGC 2158 OpC 06 07 26.7 +24 05 53           ~ 317 0
2 Cl* NGC 2682 SAND 247 RG* 08 49 24.9134848584 +11 44 05.680267512   13.12 12.026     ~ 41 0
3 BD+12 1913 RG* 08 49 34.6572308376 +11 51 25.698205116   10.820 9.528     K2 63 0
4 Cl* NGC 2682 SAND 630 V* 08 50 28.0541926488 +11 54 50.575527792   14.81 14.216     F9 31 0
5 Cl* NGC 2682 SAND 602 BS? 08 50 28.3328740570 +11 42 09.826460508   13.50 12.902     ~ 38 0
6 NGC 2682 3 V* 08 50 33.9219277868 +11 46 27.285650655 13.412 13.43 12.860   12.191 ~ 41 0
7 Cl* NGC 2682 SAND 598 V* 08 50 34.3879932817 +11 39 56.721924944 13.288 13.23 12.594   11.926 G0IV 47 0
8 NGC 2682 4 RG* 08 50 36.1346743896 +11 43 18.093424152 14.180 13.72 12.689   11.746 G8IV 47 0
9 Cl* NGC 2682 SAND 618 * 08 50 36.6717443592 +11 48 55.320590340 13.648 13.674 13.028   12.325 G0V 40 0
10 UCAC4 515-048912 * 08 50 37.8834855864 +12 52 29.587277532   15.88 15.09 14.83   ~ 7 0
11 NGC 2682 6 BS? 08 50 40.7921866032 +11 47 46.232730384 13.334 13.355 12.839   12.165 F7V 40 0
12 Cl* NGC 2682 SAND 591 RB? 08 50 41.9856959064 +11 36 52.616321172 13.507 12.89 12.630 12.64 11.851 G2IV 36 0
13 Cl* NGC 2682 SAND 725 SB* 08 50 45.1145166000 +11 36 02.429315784 17.384 16.7 15.456   14.526 ~ 24 0
14 Cl* NGC 2682 SAND 721 RG* 08 50 49.6386842857 +11 35 08.946388097   11.76 11.178 10.972 10.170 K1III 71 0
15 NGC 2682 20 Pe* 08 50 49.9469249705 +11 49 12.771453264 14.186 13.78 12.889   11.998 G8V 79 0
16 Cl* NGC 2682 SAND 833 * 08 50 51.7688273232 +12 00 24.733439136 14.038 14.03 13.439     ~ 32 0
17 Cl* NGC 2682 ES I-46 * 08 50 53.3445488184 +11 43 40.066038660 15.318 15.06 14.448   13.569 G0V 63 0
18 NGC 2682 28 SB* 08 50 54.3947168904 +11 56 29.078294820 13.385 13.32 12.761     F8IV 52 0
19 NGC 2682 30 * 08 50 55.6925064870 +11 52 14.690654736   12.64 11.954   11.369 F9IV 55 0
20 Cl* NGC 2682 SAND 827 * 08 50 57.0258559014 +11 59 15.902897265 13.726 13.69 13.119     ~ 33 0
21 Cl* NGC 2682 SAND 809 * 08 50 57.6200257056 +11 55 14.698943796 14.052 13.98 13.368   12.727 F7V 37 0
22 NGC 2682 37 RB? 08 50 58.1579169528 +11 52 22.369391242 14.489 13.8 12.806   11.881 K0IV 81 0
23 NGC 2682 42 * 08 50 59.0374062768 +11 48 57.556871208 14.234 14.11 13.51 13.40 12.873 F6V 32 0
24 NGC 2682 43 SB* 08 50 59.2317237720 +11 46 13.002141504 14.241 14.12 13.443   12.748 G2V 49 0
25 NGC 2682 44 V* 08 50 59.7259991607 +11 39 52.538680279 13.598 13.59 13.053   12.389 F9V 40 0
26 Cl* NGC 2682 YBP 1514 * 08 51 00.7628150472 +11 53 11.489832237 15.766 15.50 14.798   14.008 G5V 66 1
27 NGC 2682 48 RB? 08 51 01.0583959920 +11 50 10.912564680 13.781 13.47 12.699   11.895 G2IV 51 0
28 Cl* NGC 2682 SAND 740 SB* 08 51 01.3122930765 +11 41 58.834197249   14.03 13.461     F9V 41 0
29 NGC 2682 52 * 08 51 01.5594485424 +11 47 50.212536864 14.237 14.09 13.515   12.802 G1V 43 0
30 NGC 2682 54 Pe* 08 51 03.2565549432 +11 45 47.409871217 13.451 13.268 12.628   11.955 G0IV 65 0
31 Cl* NGC 2682 SAND 1077 SB* 08 51 07.2254409816 +11 53 01.951858464 13.382 13.24 12.595   11.752 F4 53 0
32 Cl* NGC 2682 SAND 1111 * 08 51 08.1162314136 +12 01 06.536773704 14.201 14.2 13.628 13.553   F6V 29 0
33 NGC 2682 72 RG* 08 51 08.3845013448 +11 47 12.146447796   13.39 12.315     F0V 95 0
34 NGC 2682 79 SB* 08 51 09.5057618280 +11 41 45.027626316   13.56 12.761     G2IV 48 0
35 Cl* NGC 2682 SAND 2227 SB* 08 51 09.6942576744 +11 59 09.695781528 14.325 14.33 13.780     ~ 33 0
36 Cl* NGC 2682 ES IV-237 * 08 51 11.7674049096 +11 50 01.901853924 17.138 16.405 15.447 14.879 14.385 ~ 30 0
37 Cl* NGC 2682 SAND 1089 * 08 51 12.2908594896 +11 54 23.009037876 15.012 14.79 14.199   13.459 F9V 48 0
38 NGC 2682 83 * 08 51 12.2948827824 +11 46 21.315062676 13.917 13.8 13.178   12.501 ~ 49 0
39 NGC 2682 84 HB* 08 51 12.6931158192 +11 52 42.446745336   11.629 10.393 10.234 9.500 K1III 152 0
40 NGC 2682 36 RB? 08 51 15.6379167000 +11 50 56.225142420 14.310 13.87 13.015   12.10 G9V 51 0
41 NGC 2682 98 SB* 08 51 15.7591211352 +11 52 58.817131032 13.507 13.4 12.817   12.146 F9IV 33 0
42 NGC 2682 102 SB* 08 51 16.6980465288 +11 45 29.426697504 13.432 13.15 12.458 11.966 11.570 G6V 43 0
43 NGC 2682 104 RG* 08 51 17.0400668664 +11 50 46.501856052   12.114 11.001 10.863 10.12 K0III/IV 97 0
44 NGC 2682 112 * 08 51 18.1013398368 +11 42 54.764267832 13.929 13.86 13.282   12.594 G0V 47 0
45 Cl* NGC 2682 ES IV-15 SB* 08 51 18.2619418512 +11 50 19.702239432 15.050 14.94 14.292 13.914 13.547 F9V 47 0
46 Cl* NGC 2682 ES IV-18 RB? 08 51 18.7725199776 +11 51 18.706433544 14.351 13.93 13.026   12.114 G9IV 52 0
47 Cl* NGC 2682 ES IV-96 RG* 08 51 18.9732499896 +11 58 11.037897372 13.989 13.30 12.272     ~ 59 0
48 NGC 2682 128 * 08 51 20.3300020320 +11 45 52.481465496 13.782 13.72 13.244   12.445 ~ 75 0
49 NGC 2682 132 * 08 51 20.8050295680 +11 45 02.509780428 13.812 13.71 13.110   12.38 G: 67 0
50 NGC 2682 134 V* 08 51 21.2238774840 +11 45 52.751052612 12.903 12.83 12.315 11.904 11.553 F5 78 0
51 NGC 2682 135 RG* 08 51 21.5640702312 +11 46 06.216394188   12.53 11.394   10.39 K1III 122 0
52 Cl* NGC 2682 ES I-54 * 08 51 21.7681061880 +11 44 05.087968692 14.976 14.89 14.186   13.421 ~ 58 0
53 Cl* NGC 2682 JS s * 08 51 22.4057563344 +11 51 29.237559012 13.872 13.88 13.313   12.596 F9V 39 0
54 NGC 2682 142 * 08 51 23.1446629272 +11 54 05.026489740   14.8 14.230   13.469 G1V 48 0
55 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
56 Cl* NGC 2682 SAND 945 Ro* 08 51 23.8696812408 +11 38 52.156275756 15.302 15.17 14.554   13.713 G2V 52 0
57 Cl* NGC 2682 ES I-58 * 08 51 24.6766972248 +11 43 06.226473000 15.696 15.45 14.737   13.840 G3V 28 0
58 Cl* NGC 2682 ES IV-1 * 08 51 26.0436754056 +11 49 55.543455948 15.632 15.45 14.718 14.320 13.916 G3V 46 0
59 NGC 2682 151 RG* 08 51 26.1833544456 +11 53 51.981683748   11.58 10.391     K1III 124 0
60 NGC 2682 153 BS* 08 51 26.4321697248 +11 43 50.738037528   11.41 11.269   11.101 A2V 95 0
61 NGC 2682 157 * 08 51 27.4210421592 +11 53 26.584982808   13.35 12.763   12.069 F8 53 0
62 NGC 2682 159 * 08 51 27.8885213448 +11 55 40.949794380 14.598 13.94 13.320   12.625 G1IV 64 0
63 NGC 2682 163 Ro* 08 51 28.8031691832 +11 51 59.977626372   13.36 12.658   11.916 G1IV 47 0
64 NGC 2682 164 RG* 08 51 28.9910274072 +11 50 33.127331784   11.675 10.441 10.250 9.46 K1III 162 0
65 NGC 2682 166 Pe* 08 51 29.3544247680 +11 45 27.647071884 14.413 13.85 12.910   11.962 K0IV 83 0
66 BD+12 1926 RG* 08 51 29.9058258360 +11 47 16.870629444   11.004 9.555 9.360 8.36 K3III 155 0
67 Cl* NGC 2682 ES III-13 * 08 51 29.9638737600 +11 51 09.062555832 14.821 14.72 14.191 13.773 13.398 G2V 57 0
68 NGC 2682 171 * 08 51 30.1308913504 +11 43 49.888057481 13.787 13.75 13.136   12.436 F9V 50 0
69 NGC 2682 175 * 08 51 31.1963113608 +11 53 18.003022152 14.330 14.31 13.844   13.014 ~ 52 0
70 Cl* NGC 2682 SAND 1189 V* 08 51 32.1579727152 +11 36 12.552974352 13.887 13.86 13.332   12.608 ~ 35 0
71 NGC 2682 185 BS* 08 51 32.5946133024 +11 48 52.103681712   11.46 11.48   10.80 A0V 75 0
72 Cl* NGC 2682 ES II-18 * 08 51 34.2460852296 +11 45 53.565467544 16.341 15.86 14.980 14.504 14.029 G5V 34 0
73 NGC 2682 191 V* 08 51 34.4472203376 +11 37 57.434874240 13.743 13.777 13.207   12.425 F7V 50 0
74 Cl* NGC 2682 ES III-4 * 08 51 34.5582140664 +11 49 06.875329404 17.266 16.53 15.550 15.032 14.467 ~ 32 0
75 NGC 2682 192 Pe* 08 51 35.4048721128 +11 57 56.554444188 13.879 13.583 12.817     G2IV 59 0
76 NGC 2682 193 RG* 08 51 35.7789056016 +11 53 34.748492712 13.904 13.22 12.267   11.228 K0III 121 0
77 Cl* NGC 2682 SAND 1193 SB* 08 51 37.0156343346 +11 36 51.659170703 16.095 15.69 15.051   13.916 ~ 36 0
78 NGC 2682 199 * 08 51 37.1132271528 +11 54 59.996237976 13.834 13.81 13.251   12.534 F9IV 34 0
79 Cl* NGC 2682 SAND 1337 * 08 51 38.0664585912 +12 01 24.415004928   13.59 13.041     ~ 31 0
80 Cl* NGC 2682 SAND 1356 RB? 08 51 38.6249006472 +12 20 14.316069840   13.87 13.050     ~ 29 0
81 Cl* NGC 2682 ES III-35 RG* 08 51 39.3860048856 +11 51 45.671254056 13.832 13.1 12.117   11.078 K0III 89 0
82 NGC 2682 215 Pe* 08 51 41.2290418776 +11 54 29.071239876 13.350 13.34 12.836   12.143 F8IV 61 0
83 Cl* NGC 2682 ES III-30 Pe* 08 51 41.8957446336 +11 49 37.675563096 15.975 15.69 15.112   14.143 G5V 36 0
84 NGC 2682 218 RG* 08 51 42.3411424776 +11 50 07.677862008   12.71 11.48     K1III 84 0
85 NGC 2682 225 * 08 51 43.7513661936 +11 45 14.861024460 13.663 13.64 13.140   12.412 ~ 49 0
86 NGC 2682 223 RG* 08 51 43.8874792752 +11 56 42.528745068   11.658 10.476   9.500 K1III 114 0
87 NGC 2682 226 Pe* 08 51 44.0075287632 +11 46 24.535277112 13.749 13.549 12.790   11.928 G0 83 0
88 NGC 2682 228 Em* 08 51 44.6531438448 +11 41 51.065427948 13.802 13.77 13.215   12.524 F8V 43 0
89 NGC 2682 227 RB? 08 51 44.7392991552 +11 46 46.046943048 14.402 13.898 13.000   11.994 K0IV 78 0
90 NGC 2682 229 * 08 51 44.7508892928 +11 45 01.305054864 13.906 13.91 13.387   12.671 F7V 36 0
91 NGC 2682 231 RG* 08 51 45.0772293264 +11 47 45.971197080   12.57 11.468     K1III 127 0
92 Cl* NGC 2682 ES II-42 SB* 08 51 47.4211903056 +11 47 09.698065764 15.366 15.09 14.473   13.437 G9V 36 0
93 NGC 2682 237 * 08 51 48.8385365448 +11 56 51.245718540 14.453 13.82 12.982     K0IV 49 0
94 NGC 2682 243 Pe* 08 51 49.9490514183 +11 49 31.199136660 13.331 13.23 12.675   11.913 F8 69 0
95 Cl* NGC 2682 FBC 4421 * 08 51 52.8982313616 +11 46 35.829627312 18.003 17.08 15.975 15.75 14.767 ~ 25 0
96 NGC 2682 255 * 08 51 53.3522898096 +11 48 20.879392644 13.321 13.27 12.767   12.042 F8IV 51 0
97 Cl* NGC 2682 SAND 1524 * 08 51 55.6635644856 +12 17 57.380178012   13.81 13.119     ~ 28 0
98 NGC 2682 262 RB? 08 51 56.1167034360 +11 50 14.841071664 14.595 13.9 12.976   11.906 K0IV 53 0
99 NGC 2682 266 RG* 08 51 59.5227693496 +11 55 04.835590251   11.65 10.463   9.490 K1III 113 0
100 NGC 2682 271 * 08 52 03.5581687920 +11 41 23.907093288 13.262 13.05 12.797   12.004 ~ 41 0
101 Cl* NGC 2682 SAND 1464 * 08 52 07.4180971512 +11 50 22.161528852 13.899 13.85 13.308   12.521 ~ 36 0
102 Cl* NGC 2682 ES II-152 RG* 08 52 10.9715389335 +11 31 49.232248887   12.051 10.911   9.790 G5 84 0
103 NGC 2682 281 V* 08 52 11.3482966608 +11 45 37.976349384 14.016 13.734 12.951   12.019 G5IV 52 0
104 Cl* NGC 2682 SAND 1599 * 08 52 16.4961160224 +11 47 38.224055904   15.64 15.033     ~ 27 0
105 BD+11 1933 RG* 08 52 16.5567418104 +11 19 38.229045852   11.341 10.115     ~ 66 0
106 Cl* NGC 2682 SAND 1586 SB* 08 52 16.6514311536 +11 42 29.998092744 14.008 14.06 13.598     ~ 28 0
107 NGC 2682 286 HB* 08 52 18.5744408733 +11 44 26.374152806   11.541 10.382   9.430 K0III 101 0
108 NGC 2682 287 V* 08 52 18.6871744632 +11 43 24.629462364   13.30 12.738     G0IV 38 0
109 Cl* NGC 2682 SAND 1571 RG* 08 52 20.0329169851 +11 27 36.260970940   13.00 12.586 12.33   ~ 51 0
110 NGC 2682 291 RG* 08 52 26.3725994454 +11 41 27.721867583   13.30 12.530     ~ 58 0
111 Cl* NGC 2682 SAND 1713 V* 08 52 56.2513151448 +11 48 53.931215304   13.57 12.556     ~ 44 0
112 Cl* NGC 2682 SAND 2000 RG* 08 53 46.7248697544 +11 23 30.731682624   13.23 12.16     G5 35 0
113 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
114 NGC 6819 OpC 19 41 18.3 +40 11 19   8.21 7.3     ~ 719 0

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