2017A&A...603A..85B

Query : 2017A&A...603A..85B

2017A&A...603A..85B - Astronomy and Astrophysics, volume 603A, 85-85 (2017/7-1)

Search for giant planets in M 67. IV. Survey results.

BRUCALASSI A., KOPPENHOEFER J., SAGLIA R., PASQUINI L., RUIZ M.T., BONIFACIO P., BEDIN L.R., LIBRALATO M., BIAZZO K., MELO C., LOVIS C. and RANDICH S.

Abstract (from CDS):

Context. We present the results of a seven-year-long radial velocity survey of a sample of 88 main-sequence and evolved stars to reveal signatures of Jupiter-mass planets in the solar-age and solar-metallicity open cluster M 67.
Aims. We aim at studying the frequency of giant planets in this cluster with respect to the field stars. In addition, our sample is also ideal to perform a long-term study to compare the chemical composition of stars with and without giant planets in detail.
Methods. We analyzed precise radial velocity (RV) measurements obtained with the HARPS spectrograph at the European Southern Observatory (La Silla), the SOPHIE spectrograph at the Observatoire de Haute-Provence (France), the HRS spectrograph at the Hobby Eberly Telescope (Texas), and the HARPS-N spectrograph at the Telescopio Nazionale Galileo (La Palma). Additional RV data come from the CORALIE spectrograph at the Euler Swiss Telescope (La Silla). We conducted Monte Carlo simulations to estimate the occurrence rate of giant planets in our radial velocity survey. We considered orbital periods between 1.0-day and 1000-days and planet masses between 0.2MJ and 10.0MJ. We used a measure of the observational detection efficiency to determine the frequency of planets for each star.
Results. All the planets previously announced in this RV campaign with their properties are summarized here: 3 hot Jupiters around the main-sequence stars YBP1194, YBP1514, and YBP401, and 1 giant planet around the evolved star S364. Two additional planet candidates around the stars YBP778 and S978 are also analyzed in the present work. We discuss stars that exhibit large RV variability or trends individually. For 2 additional stars, long-term trends are compatible with new binary candidates or substellar objects, which increases the total number of binary candidates detected in our campaign to 14. Based on the Doppler-detected planets discovered in this survey, we find an occurrence of giant planets of ∼18.0+12.0–8.0% in the selected period-mass range. This frequency is slightly higher but consistent within the errors with the estimate for the field stars, which leads to the general conclusion that open cluster and field statistics agree. However, we find that the rate of hot Jupiters in the cluster (∼5.7+5.5–3.0%) is substantially higher than in the field.

Abstract Copyright: © ESO, 2017

Journal keyword(s): techniques: radial velocities - planets and satellites: gaseous planets - planets and satellites: gaseous planets

VizieR on-line data: <Available at CDS (J/A+A/603/A85): stars.dat rv/*>

Simbad objects: 97

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Number of rows : 97
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 V* RV For RR* 03 06 14.4277724376 -26 12 49.558641480           A2 7 0
2 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3074 0
3 * m Tau ** 05 07 27.0055682766 +18 38 42.179768546 5.79 5.65   4.5   G4V 284 0
4 NGC 2423 OpC 07 37 11.8 -13 51 47           ~ 149 0
5 NGC 2632 OpC 08 40 13.0 +19 37 16           ~ 1564 0
6 BD+12 1917 V* 08 49 56.8183190424 +11 41 32.987890788   11.2 9.782   8.540 K3III 64 1
7 BD+12 1919 V* 08 50 12.3013655424 +11 51 24.497893908   10.395 9.098 8.842   K5 69 0
8 Cl* NGC 2682 SAND 602 BS? 08 50 28.3328740570 +11 42 09.826460508   13.50 12.902     ~ 33 0
9 Cl* NGC 2682 SAND 657 * 08 50 29.8754569587 +12 08 07.009402623   13.21 12.619     ~ 32 0
10 NGC 2682 3 V* 08 50 33.9219277868 +11 46 27.285650655 13.412 13.43 12.860   12.191 ~ 36 0
11 Cl* NGC 2682 ES I-46 * 08 50 53.3445488184 +11 43 40.066038660 15.318 15.06 14.448   13.569 G0V 57 0
12 NGC 2682 27 * 08 50 53.4433915732 +11 44 34.676078330 14.439 14.3 13.606   12.865 G4V 36 0
13 NGC 2682 28 SB* 08 50 54.3947168904 +11 56 29.078294820 13.385 13.32 12.761     F8IV 42 0
14 Cl* NGC 2682 SAND 779 * 08 50 56.6632778208 +11 49 54.676274340 15.603 15.32 14.657   13.899 G3V 36 0
15 Cl* NGC 2682 SAND 829 * 08 50 58.4938014642 +11 59 39.504354492 14.958 14.84 14.247   13.483 G0V 38 0
16 Cl* NGC 2682 SAND 816 SB* 08 50 59.2373800527 +11 56 36.865859655 13.845 13.80 13.213   12.545 ~ 33 0
17 NGC 2682 44 V* 08 50 59.7259991607 +11 39 52.538680279 13.598 13.59 13.053   12.389 F9V 33 0
18 Cl* NGC 2682 SAND 785 * 08 50 59.8074386286 +11 51 12.653352720 15.829 15.53 14.823 14.728 14.047 G4V 38 0
19 Cl* NGC 2682 YBP 1514 * 08 51 00.7628150472 +11 53 11.489832237 15.766 15.50 14.798   14.008 G5V 56 1
20 Cl* NGC 2682 YBP 1194 * 08 51 00.8052676222 +11 48 52.795639755 15.546 15.28 14.676   13.876 G5V 73 1
21 Cl* NGC 2682 ES I-26 * 08 51 02.0496199968 +11 45 19.117555344 16.060 15.73 14.982   14.162 G7V 28 0
22 Cl* NGC 2682 SAND 795 * 08 51 02.9930784120 +11 52 25.720848876 16.080 15.72 14.997   14.186 G5V 27 0
23 NGC 2682 64 SB* 08 51 05.7565036056 +11 43 46.965390960 14.970 14.75 14.053   13.254 ~ 65 0
24 Cl* NGC 2682 SAND 2224 * 08 51 07.5170795256 +11 52 56.141810724 14.590 14.49 13.795   13.214 G1V 28 0
25 Cl* NGC 2682 SAND 1106 * 08 51 07.9548078312 +11 58 53.368234392 15.638 15.42 14.888   13.971 G4V 35 0
26 NGC 2682 72 RG* 08 51 08.3845013448 +11 47 12.146447796   13.39 12.315     F0V 78 0
27 Cl* NGC 2682 SAND 1095 * 08 51 09.1437264984 +11 57 00.364137840 15.363 15.21 14.625   13.813 G3V 37 0
28 Cl* NGC 2682 ES I-19 * 08 51 09.9155686152 +11 46 16.961571948 15.463 15.24 14.564 14.506 13.785 G2V 50 0
29 Cl* NGC 2682 JS a * 08 51 12.0249721536 +11 48 26.738716140   15.6 14.867   14.107 G4V 30 0
30 Cl* NGC 2682 SAND 1089 * 08 51 12.2908594896 +11 54 23.009037876 15.012 14.79 14.199   13.459 F9V 41 0
31 NGC 2682 84 HB* 08 51 12.6931158192 +11 52 42.446745336   11.629 10.393 10.234 9.500 K1III 134 0
32 Cl* NGC 2682 SAND 1096 * 08 51 12.9844431408 +11 57 00.926753796 15.235 15.10 14.477   13.709 G2V 35 0
33 NGC 2682 488 * 08 51 14.3388790896 +11 41 09.224637360   15.14 14.530   13.731 G2V 37 0
34 NGC 2682 93 * 08 51 15.0498051768 +11 49 21.137058120 14.881 14.77 14.186   13.470 G2V 56 0
35 NGC 2682 104 RG* 08 51 17.0400668664 +11 50 46.501856052   12.114 11.001 10.863 10.12 K0III/IV 84 0
36 NGC 2682 105 RG* 08 51 17.0998188072 +11 48 16.173832932   11.554 10.316 9.942 9.07 K2III 146 0
37 NGC 2682 108 RG* 08 51 17.4855757728 +11 45 22.707921744   11.064 9.603 9.370 8.36 ~ 142 1
38 NGC 2682 112 * 08 51 18.1013398368 +11 42 54.764267832 13.929 13.86 13.282   12.594 G0V 38 0
39 Cl* NGC 2682 SAND 1093 * 08 51 18.7227129504 +11 55 49.732549032 14.906 14.73 14.134   13.449 G0V 39 0
40 NGC 2682 122 * 08 51 19.0456368904 +11 40 15.743505536 14.333 14.304 13.723   13.009 F9V 44 0
41 Cl* NGC 2682 SAND 950 Ro* 08 51 20.7913262712 +11 39 40.145087016 14.277 14.23 13.675 13.574 12.955 G1V 34 0
42 NGC 2682 132 * 08 51 20.8050295680 +11 45 02.509780428 13.812 13.71 13.110   12.38 G: 58 0
43 NGC 2682 135 RG* 08 51 21.5640702312 +11 46 06.216394188   12.53 11.394   10.39 K1III 110 0
44 Cl* NGC 2682 ES I-57 * 08 51 21.8388685968 +11 43 17.762194704 15.297 15.19 14.518 14.379 13.751 G4V 34 0
45 Cl* NGC 2682 JS s * 08 51 22.4057563344 +11 51 29.237559012 13.872 13.88 13.313   12.596 F9V 34 0
46 NGC 2682 141 HB* 08 51 22.8036640800 +11 48 01.779545736   11.570 10.346 10.180 9.40 ~ 148 0
47 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2342 0
48 NGC 2682 142 * 08 51 23.1446629272 +11 54 05.026489740   14.8 14.230   13.469 G1V 40 0
49 Cl* NGC 2682 SAND 945 Ro* 08 51 23.8696812408 +11 38 52.156275756 15.302 15.17 14.554   13.713 G2V 45 0
50 NGC 2682 149a * 08 51 24.2996749248 +11 47 28.407395940 15.918 15.69 14.928 14.542 14.164 G5V 36 0
51 Cl* NGC 2682 ES I-51 SB* 08 51 24.9894408096 +11 45 42.994865340 14.793 14.73 14.122   13.449 G2V 27 0
52 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 39 0
53 NGC 2682 151 RG* 08 51 26.1833544456 +11 53 51.981683748   11.58 10.391     K1III 111 0
54 Cl* NGC 2682 SAND 944 Ro* 08 51 26.4814703184 +11 38 36.892561308 14.249 14.21 13.710 13.573 12.939 F9V 31 0
55 Cl* NGC 2682 ES III-36 * 08 51 27.4939818264 +11 53 02.482073448   14.80 14.243   13.474 F9V 31 0
56 NGC 2682 159 * 08 51 27.8885213448 +11 55 40.949794380 14.598 13.94 13.320   12.625 G1IV 56 0
57 Cl* NGC 2682 ES III-9 * 08 51 27.9474345912 +11 50 11.918733972 15.180 15.08 14.491   13.669 G4V 46 0
58 Cl* NGC 2682 ES II-1 SB* 08 51 28.6970321736 +11 48 02.197022616 14.501 14.45 13.821   13.040 G1V 38 0
59 NGC 2682 164 RG* 08 51 28.9910274072 +11 50 33.127331784   11.675 10.441 10.250 9.46 K1III 143 0
60 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 49 0
61 NGC 2682 171 * 08 51 30.1308913504 +11 43 49.888057481 13.787 13.75 13.136   12.436 F9V 43 0
62 Cl* NGC 2682 SAND 1264b * 08 51 30.5684124360 +11 48 54.810446220 13.984 13.92 13.349   12.618 ~ 28 0
63 Cl* NGC 2682 ES II-4 * 08 51 32.5745688528 +11 48 24.133350384 14.861 14.81 14.191   13.482 G0V 37 0
64 Cl* NGC 2682 ES II-12 * 08 51 34.1202777960 +11 46 55.793439264 14.929 14.82 14.271 13.897 13.475 G2V 35 0
65 NGC 2682 189 BS? 08 51 34.2794185200 +11 49 43.866397236 13.415 13.44 12.862   12.244 F8IV 41 0
66 NGC 2682 191 V* 08 51 34.4472203376 +11 37 57.434874240 13.743 13.777 13.207   12.425 F7V 43 0
67 NGC 2682 193 RG* 08 51 35.7789056016 +11 53 34.748492712 13.904 13.22 12.267   11.228 K0III 105 0
68 Cl* NGC 2682 ES II-7 * 08 51 36.0753333984 +11 47 47.048568468 15.268 15.14 14.486   13.745 G1V 48 0
69 Cl* NGC 2682 SAND 1201 SB* 08 51 36.1562149968 +11 38 56.323762584 14.534 14.49 13.959   13.160 G0V 30 0
70 Cl* NGC 2682 SAND 1320 * 08 51 37.5784170984 +11 56 44.587539240 15.267 15.06 14.482   13.684 F9 35 0
71 NGC 2682 208 * 08 51 38.7387432576 +11 42 37.405705896 14.767 14.75 14.201 13.898 13.405 F8V 35 0
72 NGC 2682 209 * 08 51 39.0509285256 +11 47 55.413468276 14.461 14.33 13.783   12.992 ~ 64 0
73 Cl* NGC 2682 ES III-35 RG* 08 51 39.3860048856 +11 51 45.671254056 13.832 13.1 12.117   11.078 K0III 72 0
74 Cl* NGC 2682 SAND 1335 * 08 51 39.4114317432 +12 00 57.180654144   15.24 14.680   13.832 ~ 28 0
75 Cl* NGC 2682 ES II-14 * 08 51 41.4950722613 +11 47 36.175042934 14.804 14.71 14.188   13.382 G2V 48 0
76 NGC 2682 217 RG* 08 51 42.3635843520 +11 51 23.075134668   12.80 11.23     K1III 84 0
77 Cl* NGC 2682 SAND 1330 * 08 51 42.7943759976 +11 59 31.045216560 14.748 14.63 14.137   13.327 F9V 32 0
78 NGC 2682 225 * 08 51 43.7513661936 +11 45 14.861024460 13.663 13.64 13.140   12.412 ~ 43 0
79 NGC 2682 223 RG* 08 51 43.8874792752 +11 56 42.528745068   11.658 10.476   9.500 K1III 102 0
80 Cl* NGC 2682 SAND 1202 V* 08 51 44.9278658205 +11 38 58.975391846 14.104 14.07 13.630 13.460 12.807 F9V 35 0
81 NGC 2682 231 RG* 08 51 45.0772293264 +11 47 45.971197080   12.57 11.468     K1III 111 0
82 Cl* NGC 2682 SAND 1258 * 08 51 48.9449126712 +11 48 02.211792876   15.15 14.614   13.760 G3V 28 0
83 Cl* NGC 2682 SAND 1224a SB* 08 51 50.2186854285 +11 44 57.093066161 14.215 14.12 12.895   12.771 ~ 24 0
84 Cl* NGC 2682 SAND 1423 * 08 51 55.1534439912 +11 39 40.206448368 15.112 14.98 14.490   13.614 ~ 31 0
85 Cl* NGC 2682 SAND 1449 * 08 51 56.5851176376 +11 47 24.998095968 15.149 15.00 14.381   13.649 G3V 33 0
86 Cl* NGC 2682 SAND 1462 SB* 08 51 58.7728119672 +11 50 02.552545752 15.135 14.99 14.318   13.544 ~ 40 0
87 NGC 2682 266 RG* 08 51 59.5227693496 +11 55 04.835590251   11.65 10.463   9.490 ~ 100 0
88 Cl* NGC 2682 SAND 1483 * 08 52 00.4150621752 +11 56 07.052595900 15.156 14.99 14.461   13.617 F9 34 0
89 Cl* NGC 2682 SAND 1486 * 08 52 03.3045061800 +11 58 04.640004912   14.57 14.097   13.286 ~ 25 0
90 Cl* NGC 2682 SAND 1452 SB* 08 52 03.5004349920 +11 47 48.139888668 15.365 15.20 14.693   13.824 G2V 25 0
91 Cl* NGC 2682 YBP 1101 * 08 52 08.4492829008 +11 48 10.515692484 15.657 15.38 14.68   13.903 ~ 24 0
92 Cl* NGC 2682 ES II-152 RG* 08 52 10.9715389335 +11 31 49.232248887   12.051 10.911   9.790 G5 69 0
93 BD+11 1933 RG* 08 52 16.5567418104 +11 19 38.229045852   11.341 10.115     ~ 52 0
94 NGC 2682 286 RG* 08 52 18.5744408733 +11 44 26.374152806   11.541 10.382   9.430 K0III 85 0
95 Cl* NGC 2682 SAND 1583 Ro* 08 52 20.9446463683 +11 39 06.432027903   13.77 13.268     ~ 24 0
96 NGC 2682 289 V* 08 52 21.4004685408 +11 50 41.846670384   13.18 12.707     ~ 29 0
97 NGC 6811 OpC 19 37 21.6 +46 22 41   7.47 6.8     ~ 378 0

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