2018MNRAS.480.2846B

Query : 2018MNRAS.480.2846B

2018MNRAS.480.2846B - Mon. Not. R. Astron. Soc., 480, 2846-2852 (2018/October-3)

Systematic mischaracterization of exoplanetary system dynamical histories from a model degeneracy near mean-motion resonance.

BOISVERT J.H., NELSON B.E. and STEFFEN J.H.

Abstract (from CDS):

There is a degeneracy in the radial velocity exoplanet signal between a single planet on an eccentric orbit and a two-planet system with a period ratio of 2:1. This degeneracy could lead to misunderstandings of the dynamical histories of planetary systems as well as measurements of planetary abundances if the correct architecture is not established. We constrain the rate of mischaracterization by analysing a sample of 60 non-transiting, radial velocity systems orbiting main-sequence stars from the NASA Exoplanet Archive (NASA Archive) using a new Bayesian model comparison pipeline. We find that 15 systems (25 per cent of our sample) show compelling evidence for the two-planet case with a confidence level of 95 per cent.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): methods: data analysis - techniques: radial velocities - planetary systems

VizieR on-line data: <Available at CDS (J/MNRAS/480/2846): table.dat>

Simbad objects: 96

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Number of rows : 96
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 HD 1237 PM* 00 16 12.6780107483 -79 51 04.244506480 7.692 7.335 6.578     G8V 262 1
2 BD-17 63 PM* 00 28 34.3058646583 -16 13 34.837444133   10.77 9.720 9.666   K4Vk: 76 1
3 HD 2638 ** 00 29 59.8721784936 -05 45 50.396133276   10.33 9.38 9.10 9.19 K1V 108 1
4 HD 2952 PM* 00 33 10.3944926208 +54 53 41.949623868   6.959 5.922     K0III 70 1
5 HD 4313 * 00 45 40.3577832360 +07 50 42.075337200   8.788 7.82     G5 63 1
6 HD 5608 SB* 00 58 14.2189353000 +33 57 03.184089156   6.996 5.980     K0III 74 1
7 * alf Ari PM* 02 07 10.40570 +23 27 44.7032 4.29 3.17 2.01 1.15 0.54 K2-IIIbCa-1 644 2
8 * 75 Cet HB* 02 32 09.4224095904 -01 02 05.616571164   6.366 5.358 10.0   K1III 95 1
9 * 81 Cet PM* 02 37 41.8020809760 -03 23 46.225928328   6.674 5.647     K0III 97 1
10 CD-23 1056 PM* 02 46 42.8869269570 -23 05 11.802392748 12.911 11.651 10.237 9.36 8.544 K5V 78 1
11 HD 20868 PM* 03 20 42.6937051450 -33 43 48.373545688   11.07 9.93     K3/4III/V 63 1
12 HD 23127 PM* 03 39 23.6377114944 -60 04 40.237770720   9.26 8.55     G2V 82 1
13 HD 22781 PM* 03 40 49.5243423552 +31 49 34.652692848   9.628 8.766 8.45   K0 56 1
14 HD 27894 PM* 04 20 47.0461066173 -59 24 39.024646358   10.42 9.42     K2V 103 1
15 * eps Tau ** 04 28 37.0002551195 +19 10 49.563140930 5.42 4.54 3.53     G9.5IIICN0.5 628 1
16 HD 31253 PM* 04 54 43.6537078752 +12 21 07.899691212   7.712 7.13 7.03   F8 98 1
17 HD 33283 PM* 05 08 01.0123084872 -26 47 50.894113344 8.870 8.640 8.040     G3/5V 108 1
18 HD 32518 PM* 05 09 36.7203662520 +69 38 21.854780160 8.550 7.530 6.420     K1III 71 1
19 HD 47536 PM* 06 37 47.6181076691 -32 20 23.040481884   6.43 5.258     K1III 119 1
20 HD 50499 PM* 06 52 02.0241958872 -33 54 56.019365496   7.82 7.20     G0/2V 131 1
21 HD 66428 PM* 08 03 28.6676662536 -01 09 45.758091420   8.97 8.26     G8IV(+G) 156 1
22 * omi UMa PM* 08 30 15.8701566400 +60 43 05.405606188 4.79 4.27 3.42 2.76 2.31 G5III: 271 1
23 HD 73267 PM* 08 36 17.7762322776 -34 27 35.919642672   9.66 8.87     K0V 83 1
24 HD 73534 PM* 08 39 15.8031501864 +12 57 37.346867496   9.21 8.24     G5 68 1
25 BD+20 2184 Ro* 08 41 43.8160475073 +20 13 36.752729096   10.988 10.431     G2 109 1
26 HD 75898 PM* 08 53 50.8052389824 +33 03 24.520566888   8.67 8.03 10.6   G0 93 1
27 BD+02 2098 PM* 08 55 07.6217256509 +01 32 47.415143239 12.642 11.30 9.997 9.072 8.204 M0V 125 1
28 HD 79498 PM* 09 15 09.4020481584 +23 22 31.978671384       7.6   G5 80 1
29 * 41 Lyn PM* 09 28 39.9886724904 +45 36 05.331128364   6.389 5.393 6.54   K0III 96 1
30 HD 86081 PM* 09 56 05.9184616896 -03 48 30.325874184   9.34 8.70     G1V 91 1
31 HD 86264 PM* 09 56 57.8387817672 -15 53 42.429141024   7.92 7.41     F7V 81 1
32 * gam01 Leo PM* 10 19 58.354462 +19 50 29.35920 4.13 3.44 2.23 1.13 0.51 K1-IIIFe-1 289 1
33 HD 93083 PM* 10 44 20.9150176896 -33 34 37.287898176   9.27 8.33     K2IV-V 125 1
34 CD-30 8858 PM* 10 58 35.0883696526 -31 08 38.200769022     11.926 11.588 9.63 M2.5V 66 1
35 HD 95089 PM* 10 58 47.7361917120 +01 43 45.170499324   8.897 7.95     G8/K0IV 58 1
36 HD 96167 PM* 11 05 15.0688264032 -10 17 28.699238904   8.82 8.08     G3V 78 1
37 HD 96127 * 11 05 45.9486003336 +44 18 05.610297060   8.924 7.407 6.97   K2III 43 1
38 HD 99109 PM* 11 24 17.3585400216 -01 31 44.666848380   9.96 9.06     G8/K0IV 125 1
39 HD 100777 * 11 35 51.5232197976 -04 45 20.504631564   9.19 8.42     G8V 92 1
40 Ross 1003 PM* 11 41 44.6358403057 +42 45 07.102117090   13.36 13.795 11.524 9.18 M4.0V 172 1
41 HD 101930 PM* 11 43 30.1133767737 -58 00 24.778676929   9.12 8.21     K2V+ 124 1
42 HD 107148 PM* 12 19 13.4910214488 -03 19 11.239255452   8.72 8.02 8.888   G5V 152 1
43 NGC 4349 127 * 12 24 35.4709473000 -61 49 11.861413644   12.85 10.82     ~ 56 1
44 HD 109749 PM* 12 37 16.3785050928 -40 48 43.626163320   8.864 8.208 8.96   G3V 110 1
45 HD 114386 PM* 13 10 39.8240970781 -35 03 17.214743596   9.80 8.71     K3V 134 1
46 HD 118203 PM* 13 34 02.5393988472 +53 43 42.698012376   8.75 8.06     G0V 113 1
47 HD 120084 PM* 13 42 39.2016156192 +78 03 51.979994712   6.916 5.899     G7III 68 1
48 HD 121504 PM* 13 57 17.2387351056 -56 02 24.159656364   8.12 7.52     G2V 190 1
49 HD 129445 PM* 14 46 03.0652077696 -68 45 45.879649596   9.57 8.79     G6V 59 1
50 HD 131664 * 15 00 06.0800617968 -73 32 07.189532412   8.82 8.13     G3V 90 1
51 * 11 UMi * 15 17 05.8894632720 +71 49 26.047336872   6.384 5.015     K4III 138 1
52 HD 136418 PM* 15 19 06.1820919020 +41 43 59.542136046 9.480 8.810   7.3   G5 51 1
53 * omi CrB PM* 15 20 08.5586504208 +29 36 58.345262280 7.30 6.53 5.51     K0III 160 1
54 HD 139357 * 15 35 16.1985929736 +53 55 19.709392008   7.160 5.964     K4III: 78 1
55 HD 330075 PM* 15 49 37.6937569728 -49 57 48.678348924   10.23 9.33     G5 109 1
56 HD 141937 PM* 15 52 17.5473965880 -18 26 09.843199116   7.87 7.25     G1V 199 1
57 * eps CrB PM* 15 57 35.2514020181 +26 52 40.366652765 6.650 5.360 4.130 3.27 2.64 K2IIIab 280 1
58 HD 142415 PM* 15 57 40.7919331560 -60 12 00.922058568   7.94 7.34     G1V 127 1
59 HD 145377 * 16 11 36.4464979608 -27 04 41.434095684   8.73 8.10     G3V 93 1
60 LP 804-27 PM* 16 12 41.7794090112 -18 52 31.811741544 14.015 12.88 11.372 10.289 9.37 M3V 85 1
61 HD 147513 PM* 16 24 01.2911377368 -39 11 34.729913940 6.17 6.02 5.376     G5V 389 1
62 HD 148427 RG* 16 28 28.1511991416 -13 23 58.690451904   7.85 6.89     K0III/IV 67 1
63 BD+25 3173 PM* 16 58 08.8496107083 +25 44 38.974052855 12.342 11.139 9.655 8.685 7.602 M2V 273 1
64 HD 153950 PM* 17 04 30.8706752112 -43 18 35.166055248   7.90 7.38     F8V 99 1
65 HD 156279 PM* 17 12 23.2048155528 +63 21 07.531228764       7.6   K0 73 1
66 CD-46 11540 LM* 17 28 39.9455781571 -46 53 42.688095874 12.177 10.973 9.407 8.337 7.006 M3V 300 1
67 HD 162020 * 17 50 38.3557484304 -40 19 06.072311784   10.11 9.12     K3V 158 1
68 HD 164509 * 18 01 31.2276013320 +00 06 16.403772384   8.723 8.103 7.85   G2V 91 1
69 HD 164604 PM* 18 03 06.9330190176 -28 33 38.348799804   10.88 9.83     K3.5Vk: 64 1
70 * 42 Dra PM* 18 25 59.1369601368 +65 33 48.531343788   6.005 4.823     K1.5IIIFe-1 190 1
71 HD 170469 PM* 18 29 10.9810932744 +11 41 43.803283884   8.86 8.18     G5 104 1
72 HD 175541 PM* 18 55 40.8841512864 +04 15 55.165056048   8.90 8.00     G6/8IV 129 1
73 HD 175167 PM* 19 00 00.8350944384 -69 56 39.264708120   8.78 8.000 7.89 8.86 G5IV/V 53 1
74 HD 179079 PM* 19 11 09.8285843016 -02 38 18.188074644   8.66 7.96     G5IV 85 1
75 HD 180902 * 19 19 17.7078423672 -23 33 29.360421468   8.714 7.78   8.87 K0III/IV 47 1
76 HD 231701 PM* 19 32 04.1609196504 +16 28 27.443142588   9.486 8.97     F8V 74 1
77 HD 187085 PM* 19 49 33.9666332064 -37 46 49.973441628   7.78 7.21     G0V 110 1
78 * ksi Aql ** 19 54 14.8815179040 +08 27 41.235438096   5.759 4.707     G9.5IIIb 157 1
79 HD 190647 PM* 20 07 19.6699756416 -35 32 19.077690912   8.54 7.78     G5V 110 1
80 * 18 Del PM* 20 58 25.9335294984 +10 50 21.430869504   6.432 5.506     G6III 107 1
81 BD+14 4559 PM* 21 13 35.9901678120 +14 41 21.785788608       9.1   K5 55 1
82 HD 205739 PM* 21 38 08.4040108824 -31 44 14.938543824   9.09 8.54     F7V 68 1
83 HD 206610 * 21 43 24.9001051368 -07 24 29.710256004   9.38 8.35   8.76 K0III 51 1
84 HD 208527 * 21 56 23.9843401776 +21 14 23.491655412 10.090 8.060 6.370     K5V 75 1
85 WASP-47 * 22 04 48.7261549272 -12 01 07.998743676     11.99 11.82   ~ 217 1
86 HD 212771 PM* 22 27 03.0720586248 -17 15 49.164024816   8.48 7.60   8.66 G8IV 69 1
87 HD 212301 PM* 22 27 30.9220205424 -77 43 04.526779008   8.31 7.76     F8V 113 1
88 HD 216770 PM* 22 55 53.7084389616 -26 39 31.544278128   8.92 8.10     G9VCN+1 152 1
89 HD 218566 PM* 23 09 10.7269903047 -02 15 38.682667763   9.641 9.208 9.105 8.73 K3V 123 1
90 HD 240210 * 23 10 29.2262536632 +57 01 46.027364808   9.88 8.27     K7 35 1
91 HD 240237 * 23 15 42.2242975440 +58 02 35.672774892   9.86 8.17 7.53   K2III 34 0
92 HD 220074 * 23 20 14.3795474712 +61 58 12.460711368 10.070 8.070 6.400     K5 48 1
93 HD 220773 PM* 23 26 27.4448301552 +08 38 37.841644968       6.97   G0 79 1
94 * 14 And PM* 23 31 17.4132523248 +39 14 10.314703644   6.24   4.6   G8III 192 1
95 HD 221287 PM* 23 31 20.3384562072 -58 12 35.033565312   8.31 7.81     F7V 101 1
96 HD 224693 PM* 23 59 53.8317247296 -22 25 41.216257992   8.87 8.22     G2V 104 1

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