2016A&A...596A..83L


Query : 2016A&A...596A..83L

2016A&A...596A..83L - Astronomy and Astrophysics, volume 596A, 83-83 (2016/12-1)

MASSIVE: A Bayesian analysis of giant planet populations around low-mass stars.

LANNIER J., DELORME P., LAGRANGE A.M., BORGNIET S., RAMEAU J., SCHLIEDER J.E., GAGNE J., BONAVITA M.A., MALO L., CHAUVIN G., BONNEFOY M. and GIRARD J.H.

Abstract (from CDS):

Context. Direct imaging has led to the discovery of several giant planet and brown dwarf companions. These imaged companions populate a mass, separation and age domain (mass>1MJup, orbits>5AU, age<1Gyr) quite distinct from the one occupied by exoplanets discovered by the radial velocity or transit methods. This distinction could indicate that different formation mechanisms are at play.
Aims. We aim at investigating correlations between the host star's mass and the presence of wide-orbit giant planets, and at providing new observational constraints on planetary formation models.
Methods. We observed 58 young and nearby M-type dwarfs in L'-band with the VLT/NaCo instrument and used angular differential imaging algorithms to optimize the sensitivity to planetary-mass companions and to derive the best detection limits. We estimate the probability of detecting a planet as a function of its mass and physical separation around each target. We conduct a Bayesian analysis to determine the frequency of substellar companions orbiting low-mass stars, using a homogenous sub-sample of 54 stars.
Results. We derive a frequency of 4.4+3.2–1.3 for companions with masses in the range of 2-80MJup, and 2.3+2.9–0.7% for planetary mass companions (2-14MJup), at physical separations of 8 to 400AU for both cases. Comparing our results with a previous survey targeting more massive stars, we find evidence that substellar companions more massive than 1MJup with a low mass ratio Q with respect to their host star (Q<1%), are less frequent around low-mass stars. This may represent observational evidence that the frequency of imaged wide-orbit substellar companions is correlated with stellar mass, corroborating theoretical expectations. Contrarily, we show statistical evidence that intermediate-mass ratio (1%<Q<5%) companion with masses >2MJup might be independent from the mass of the host star.

Abstract Copyright: © ESO, 2016

Journal keyword(s): planetary systems - stars: low-mass - methods: statistical - planets and satellites: formation

Simbad objects: 104

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Number of rows : 104
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 NAME THA As* 00 00 -62.0           ~ 413 0
2 PM J00245-2522 PM* 00 24 32.0175061680 -25 22 52.952205900     13.533 13.221   M3e 6 0
3 V* CT Tuc PM* 00 25 14.6618673216 -61 30 48.252745152   13.11 11.34   9.66 M0Ve 57 0
4 LP 705-28 PM* 00 25 50.9755684584 -09 57 39.922296048     13.933 13.653   M3.0V 15 0
5 Smethells 173 Er* 00 45 28.1543761104 -51 37 33.939128316   13.17 12.30 10.9 9.73 M3V 53 0
6 SCR J0103-5515C LM* 01 03 35.58 -55 15 54.6           ~ 35 0
7 SCR J0103-5515 ** 01 03 35.655120 -55 15 56.24316   16.99 15.40 14.96 12.09 M5.0 36 0
8 RX J0107.1-1935 ** 01 07 11.9505 -19 35 36.090   12.915 11.457 11.087 9.421 M1 31 0
9 V* GU Psc B BD* 01 12 36.53808 +17 04 29.9424           T3.5 63 0
10 2MASS J01231125-6921379 LM* 01 23 11.2737421488 -69 21 38.004522552           M8 16 0
11 G 271-110 PM* 01 36 55.1765506296 -06 47 38.002431948   15.72 14.00 13.71   M3.5V 53 0
12 ASAS J015220-5950.4 PM* 01 52 18.2984524560 -59 50 16.769469588   14.01 12.54 12.19 10.253 M2.0Ve 29 1
13 2MASS J02192210-3925225 ** 02 19 22.1103954432 -39 25 22.539937296   18.5   15.5 13.42 M6+L4 18 0
14 RX J0222.7-6022 Er* 02 22 44.1541907952 -60 22 47.628540948   14.902 13.365 13.038   M3.5Ve 32 0
15 EXO 0235.2-5216 Er* 02 36 51.7013280528 -52 03 03.600913140   13.59 12.411   9.727 M2Ve 58 0
16 Cl Alessi 13 OpC 03 27 03 -35 49.3           ~ 56 0
17 2MASSW J0335020+234235 LM* 03 35 02.0907239832 +23 42 35.413750692       17.67   M8.5V 50 0
18 SCR J0336-2619 LM* 03 36 31.4539394256 -26 19 57.951974172           M5.5 9 0
19 RX J0342.5+1216 ** 03 42 31.8234126840 +12 16 22.479814128   16.23   14.44   M5.2V+L0 25 0
20 Cl Melotte 22 OpC 03 46 24 +24 06.8           ~ 3196 0
21 G 80-21 Er* 03 47 23.3412414313 -01 58 19.947831323 14.052 13.048 11.537 10.452 9.098 M3.0V 108 0
22 1RXS J041417.0-090650 EB? 04 14 17.3079121464 -09 06 54.605273184     13.884 13.612 11.107 M4.3V 36 0
23 V* FU Tau B BD* 04 23 35.7463331664 +25 02 59.644831416       22.16 19.11 L0.3 38 0
24 V* FW Tau Or* 04 29 29.7076208400 +26 16 52.768899480       15.85   M5.5 127 0
25 V* DH Tau B LM* 04 29 41.66 +26 32 56.5           M9.25 68 1
26 * 51 Eri b Pl 04 37 36.1323118067 -02 28 24.778826936           ~ 142 0
27 StKM 1-497 TT* 04 37 37.4553491592 -02 29 28.950973764   12.04 10.59   8.59 M1.1V 119 0
28 2MASS J04414489+2301513 LM* 04 41 44.8970652648 +23 01 51.387815496       20.6   M8.7 62 1
29 2MASSI J0443376+000205 LM* 04 43 37.6085840376 +00 02 05.106068520     19.6   15.877 M9.0V 47 0
30 BPS CS 29520-0077 LM* 04 46 49.6784062152 -60 34 10.882964856   13.538 11.978     M1.5 15 0
31 LP 776-25 Er* 04 52 24.4148135160 -16 49 21.926289432   12.76 11.639 11.237 9.1 M3.3V 63 0
32 CD-56 1032B Er* 04 53 30.5454046296 -55 51 31.664243916   13.66 13.92 11.77   M4Ve 57 0
33 V* V1005 Ori BY* 04 59 34.8342878424 +01 47 00.669818328   11.48 10.107 9.603 8.239 M0Ve 322 0
34 CD-57 1054 PM* 05 00 47.1296589456 -57 15 25.452888732   11.36 9.977 9.889 8.177 M0Ve 108 0
35 LP 476-207 ** 05 01 58.79419 +09 58 59.2855   12.93 11.53 10.33 8.708 M3.5V 109 0
36 BD-21 1074A Er* 05 06 49.9162124448 -21 35 09.128916564   11.86 10.41 9.40 9.07 M2 74 0
37 2MASS J05195412-0723359 * 05 19 54.13 -07 23 35.9           M4 5 0
38 V* AB Dor TT* 05 28 44.8712165880 -65 26 55.199147208 8.259 7.856 6.999 6.496 5.993 K0V 976 0
39 * 32 Ori ** 05 30 47.05091 +05 56 53.2925 3.51 4.07 4.20 4.26 4.40 B5IV+B7V 184 0
40 V* V1311 Ori BY* 05 32 04.5017687952 -03 05 29.400403884   13.37 11.437 11.019 9.153 M1.5V 61 0
41 * bet Pic b Pl 05 47 17.0876901 -51 03 59.441135           ~ 431 1
42 NAME Columba Association As* 06 04 19.4 -22 20 40           ~ 247 0
43 DENIS J060852.8-275358 LM* 06 08 52.8338339568 -27 53 58.315264152         17.011 M9.6V 44 0
44 CD-35 2722B BD* 06 09 19.2082646634 -35 49 31.062882043           L0-1 58 0
45 EUVE J0625-60.0 PM* 06 25 56.0925347184 -60 03 27.042176160   13.87 12.319 11.99 9.562 M5Ve 33 0
46 CD-29 4446C PM* 07 28 51.1711630008 -30 15 52.826557860   15.43 13.72 13.51 10.62 M5V 13 0
47 CD-29 4446 Ro* 07 28 51.37140 -30 14 48.5428 12.47 11.60 10.08 9.83 7.885 M1Ve 72 0
48 RX J0817.7-8243 ** 08 17 39.4747620634 -82 43 30.089395758   13.105 11.845 11.279 8.928 M3.5 27 0
49 * eta Cha * 08 41 19.5125857944 -78 57 48.105898056 5.02 5.351 5.453     B8V 221 0
50 L 532-12 LM* 08 54 02.3902433016 -30 51 36.587693556   15.03 13.41 13.089   M4 16 0
51 TWA 34 LM* 10 28 45.7992409512 -28 30 37.525747356       15.82   M5e 27 0
52 BD+01 2447 PM* 10 28 55.5512830314 +00 50 27.598904576 12.389 11.151 9.650 8.617 7.389 dM2 282 0
53 LP 263-35 ** 10 51 20.5777267248 +36 07 25.461043140   14.6   13.148   M3.0V 38 1
54 HD 95086b Pl 10 57 03.0216129217 -68 40 02.446874288           ~ 87 1
55 NAME UMa Region reg 11 00 +50.0           ~ 322 0
56 NAME TW Hya Association As* 11 01.9 -34 42           ~ 886 0
57 TWA 28 LM* 11 02 09.8378779824 -34 30 35.562199176     21.46 19.14 17.90 M8.3 64 0
58 CHXR 73B LM* 11 06 28.49 -77 37 34.2           M9.5+ 32 0
59 V* V1217 Cen BY* 11 21 05.4814169256 -38 45 16.522915140   14.04 12.58 12.34 10.515 M1Ve 72 0
60 TWA 33 Y*? 11 39 33.8249537040 -30 40 00.365859300   16.71 15.06 14.85   M5.5e 25 0
61 TWA 26 LM* 11 39 51.1378374696 -31 59 21.443660124         15.83 M8e 101 0
62 * eps Cha ** 11 59 37.57634 -78 13 18.6179           B9V(n) 97 0
63 TWA 23 TT* 12 07 27.3763935312 -32 47 00.242923776   14.157 12.7     M2.5Ve 64 0
64 TWA 27 LM* 12 07 33.4675524840 -39 32 54.016625184     19.95 17.99 15.88 M8IVe 324 0
65 TWA 27B BD* 12 07 33.50 -39 32 54.4           L3 261 0
66 V* V1249 Cen TT* 12 15 30.7203201048 -39 48 42.606684144   13.09 11.160 10.919 9.50 M0.5 100 0
67 TWA 32 ** 12 26 51.366576 -33 16 12.54324   17.21 16.00 15.73   M6.3 28 0
68 NAME Coma Dwarf Galaxy G 12 26 59.0 +23 54 15     14.1     ~ 414 1
69 SIPS J1256-1257B BD* 12 56 01.83264 -12 57 27.6912           L8.0 50 0
70 ULAS J130041.74+122114.7 BD* 13 00 42.08415 +12 21 15.0536         23.28 T8.5p 116 0
71 * e Vir b Pl 13 16 46.5161591991 +09 25 26.967205938           ~ 96 1
72 PM J13219-1052 PM* 13 21 56.3232615384 -10 52 09.958635660   15 13.898 13.704 11.004 M3.5Ve 18 0
73 2MASSI J1411213-211950 LM* 14 11 21.3050705376 -21 19 50.434499532           M9V 26 0
74 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 669 0
75 HD 139084 Ro* 15 38 57.5566916952 -57 42 27.346084668   8.78 7.977   7.106 K0V 153 0
76 PM J15597+4403B LM* 15 59 46.7972556576 +44 04 01.182969516           M8 5 0
77 NAME UScoCTIO 108B BD? 16 05 54.09504 -18 18 48.8592           ~ 47 0
78 NAME GSC 06214-00210B LM* 16 21 54.678 -20 43 11.33           ~ 68 0
79 NAME Oph 11B LM* 16 22 25.2138862248 -24 05 15.568025820         18.98 M9.5 15 0
80 NAME ROXs 42Bb LM* 16 31 14.93 -24 32 43.7           M8-L0 48 0
81 LP 745-70 PM* 16 33 41.6097712464 -09 33 11.935611864   12.90 11.280 10.840 9.53 K9Vkee 55 0
82 1RXS J183520.9-312327 X 18 35 20.9 -31 23 27           ~ 3 0
83 Smethells 20 BY* 18 46 52.5522032160 -62 10 36.612382764   13.07 11.831 11.612 9.99 M1Ve 48 0
84 * eta Tel PM* 19 22 51.2060774616 -54 25 26.145617376   5.035 5.020   4.99 A0V 202 0
85 UCAC3 116-474938 ** 19 56 02.9406768936 -32 07 18.658834068   14.79 13.23 12.98   M4 41 0
86 PM J19560-3207 PM* 19 56 04.3718230416 -32 07 37.672684032   12.95 11.589 11.196 10.12 K9IVe 48 0
87 SCR J2033-2556 PM* 20 33 37.5959168616 -25 56 52.115241876     14.87 13.44 11.57 M4.5 27 0
88 V* AU Mic LM* 20 45 09.5324974119 -31 20 27.237889841   10.05 8.627 9.078 6.593 M1VeBa1 1006 0
89 BPS CS 22898-0065 PM* 21 10 05.3573127288 -19 19 57.611503056   13.174 11.750 11.381   M2 39 0
90 Smethells 86 Er* 21 44 30.1227174024 -60 58 38.894635668 14.163 13.00 11.628 10.715 9.815 M0Ve 63 0
91 V* WW PsA BY* 22 44 57.9628374984 -33 15 01.744541676 14.583 13.627 12.111 10.916 9.109 M4IVe 106 1
92 V* TX PsA Er* 22 45 00.0641595504 -33 15 26.091533124   14.93 13.36 12.095 10.379 M5IVe 71 0
93 HD 218396e Pl 23 07 28.7156905667 +21 08 03.302133882           ~ 172 1
94 HD 218396b Pl 23 07 28.7156905667 +21 08 03.302133882           ~ 246 1
95 HD 218396d Pl 23 07 28.7156905667 +21 08 03.302133882           ~ 214 1
96 HD 218396c Pl 23 07 28.7156905667 +21 08 03.302133882           ~ 233 1
97 HD 218396 El* 23 07 28.7157209544 +21 08 03.310767492   6.21 5.953     F0+VkA5mA5 1026 0
98 G 273-59 LM* 23 30 13.4374314039 -20 23 27.458861538 13.686 12.582 11.108 10.835 8.599 M2Ve 68 0
99 BPM 82931 Er* 23 32 30.8611320024 -12 15 51.462942408   12.38 10.639 10.320 8.646 M0Ve 64 0
100 CD-42 16413 PM* 23 38 17.4179351232 -41 31 03.777785472 14.644 13.486 11.934 10.89 9.623 M3V 36 1
101 PM J23515+3127B BD* 23 51 33.9 +31 27 23           L0 10 0
102 NAME Carina-near Moving Group MGr ~ ~           ~ 70 0
103 NAME Argus Association As* ~ ~           ~ 198 0
104 NAME Hercules-Lyra Moving Group MGr ~ ~           ~ 59 0

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2022.07.06-09:26:19

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