2020MNRAS.495.4924N

Query : 2020MNRAS.495.4924N

2020MNRAS.495.4924N - Mon. Not. R. Astron. Soc., 495, 4924-4942 (2020/July-2)

A PSF-based Approach to TESS High quality data Of Stellar clusters (PATHOS) - II. Search for exoplanets in open clusters of the Southern ecliptic hemisphere and their frequency.

NARDIELLO D., PIOTTO G., DELEUIL M., MALAVOLTA L., MONTALTO M., BEDIN L.R., BORSATO L., GRANATA V., LIBRALATO M. and MANTHOPOULOU E.E.

Abstract (from CDS):

The scope of the project 'A PSF-based Approach to TESS High Quality data Of Stellar clusters' (PATHOS) is the extraction and analysis of high-precision light curves of stars in stellar clusters and young associations for the identification of candidate exoplanets and variable stars. The cutting-edge tools used in this project allow us to measure the real flux of stars in dense fields, minimizing the effects due to contamination by neighbour sources. We extracted about 200 000 light curves of stars in 645 open clusters located in the Southern ecliptic hemisphere and observed by TESS during the first year of its mission. We searched for transiting signals and we found 33 objects of interest, 11 of which are strong candidate exoplanets. Because of the limited SNR, we did not find any Earth or super-Earth. We identified two Neptune-size planets orbiting stars with R*< 1.5 R☉, implying a frequency f*=1.34 ±0.95 per cent, consistent with the frequency around field stars. The seven Jupiter candidates around stars with R*< 1.5 R☉ imply a frequency f*=0.19±0.07 per cent, which is smaller than in the field. A more complete estimate of the survey completeness and false positive rate is needed to confirm these results. Light curves used in this work will be made available to the astronomical community on the Mikulski Archive for Space Telescope under the project PATHOS.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: image processing - techniques: photometric - planetary systems - open clusters and associations: general

VizieR on-line data: <Available at CDS (J/MNRAS/495/4924): table1.dat table2.dat tablea1.dat>

Nomenclature: Tables 2, A.1: PATHOS-NN (Nos 2-34).

Simbad objects: 130

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Number of rows : 130
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 NAME THA As* 00 00 -62.0           ~ 468 0
2 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 3914 0
3 K2-213b Pl 00 52 33.6770646480 +03 30 27.932862276           ~ 2 0
4 Cl Melotte 22 OpC 03 46 24.2 +24 06 50           ~ 3434 0
5 K2-25b Pl 04 13 05.6131374072 +15 14 52.018080576           ~ 79 0
6 NAME Cas-Tau As* 04 16 +27.6           ~ 79 1
7 K2-136b Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 19 0
8 K2-136d Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 17 0
9 K2-136c Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 24 0
10 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3074 0
11 K2-284b Pl 05 16 33.7635876744 +20 15 18.365704668           ~ 10 0
12 NGC 1901 OpC 05 17 58 -68 20.5           ~ 103 0
13 PATHOS-16b Pl? 05 53 29.0776310688 +00 25 26.471033580           ~ 1 0
14 2MASS J05532907+0025265 * 05 53 29.0776310688 +00 25 26.471033580           ~ 8 0
15 NGC 2112 OpC 05 53 48.5 +00 24 11     9.1     ~ 91 0
16 2MASS J05545194-0002543 * 05 54 51.9440871792 -00 02 54.420135396           ~ 4 0
17 PATHOS-3b Pl? 05 54 51.9440871792 -00 02 54.420135396           ~ 1 0
18 NGC 2318 OpC 06 59 25.0 -13 49 19           ~ 28 0
19 PATHOS-13b Pl? 06 59 30.4307663328 -13 15 12.639182868           ~ 1 0
20 2MASS J06593042-1315126 * 06 59 30.4307663328 -13 15 12.639182868           ~ 6 0
21 NGC 2323 OpC 07 02 44.2 -08 21 54           ~ 195 0
22 PATHOS-9b Pl? 07 02 55.2767254440 -08 26 12.842158416           ~ 1 0
23 2MASS J07025527-0826128 * 07 02 55.2767254440 -08 26 12.842158416           ~ 3 0
24 TYC 163-379-1 * 07 11 32.0129556552 +00 40 52.395093876   12.35 10.98     ~ 4 0
25 Cl Gulliver 47 OpC 07 11 43.7 +00 49 37           ~ 14 0
26 PATHOS-33b Pl? 07 40 31.5622133112 -16 19 17.714634348           ~ 1 0
27 Gaia DR2 3028756515613474688 * 07 40 31.5622133112 -16 19 17.714634348           ~ 2 0
28 Cl Ruprecht 151 OpC 07 41 15.6 -16 16 44           ~ 34 0
29 NGC 2437 OpC 07 41 46.8 -14 50 38           ~ 156 0
30 2MASS J07425611-1434517 * 07 42 56.1141470352 -14 34 51.686136948           ~ 6 0
31 PATHOS-8b Pl? 07 42 56.1141470352 -14 34 51.686136948           ~ 1 0
32 2MASS J07441853-2819311 * 07 44 18.5384764896 -28 19 31.118640276           ~ 2 0
33 PATHOS-10b Pl? 07 44 18.5384764896 -28 19 31.118640276           ~ 1 0
34 Cl Haffner 14 OpC 07 44 43.7 -28 23 02           ~ 32 0
35 PATHOS-25b Pl? 07 51 34.7953558992 -60 24 44.778352608           ~ 1 0
36 TOI-681 * 07 51 34.7953558992 -60 24 44.778352608   11.275 10.951 10.990   ~ 21 0
37 PATHOS-23b Pl? 07 57 58.0340402784 -60 50 45.508338024           ~ 1 0
38 CD-60 1960 EB* 07 57 58.0340402784 -60 50 45.508338024   9.05 8.92     A0V 45 0
39 NGC 2516 85 SB* 07 58 02.3958635640 -60 46 47.314297956 12.71 12.67 12.07   11.327 ~ 32 0
40 NGC 2516 OpC 07 58 06.5 -60 48 00           ~ 713 0
41 CD-60 1964 EB* 07 58 08.0526772176 -60 46 49.994541948   8.43 8.38     B8.5V 33 0
42 V* V460 Car LP* 07 59 37.5423065376 -60 35 13.423848216   6.91 5.18     M1.5IIb 90 0
43 Cl* NGC 2516 SBL 1240 EB* 08 00 47.9907119808 -60 51 56.454594336         13.08 ~ 25 0
44 Gaia DR3 5290850609994130944 * 08 01 57.2533205376 -60 20 58.621135848           ~ 1 0
45 Gaia DR3 5290850605693476608 * 08 01 57.2675698056 -60 20 55.661040204           ~ 1 0
46 UCAC4 149-012654 * 08 01 57.6199747056 -60 21 16.786124460   14.648 13.833 13.855   ~ 12 0
47 PATHOS-27b Pl? 08 02 32.4438632064 -31 59 42.492469740           ~ 1 0
48 2MASS J08023244-3159425 * 08 02 32.4438632064 -31 59 42.492469740           ~ 3 0
49 Cl Ruprecht 48 OpC 08 02 43 -32 02.7           ~ 15 0
50 TYC 8924-873-1 * 08 03 24.3466713552 -60 39 55.890135468   12.93 11.68     ~ 13 0
51 PATHOS-21b Pl? 08 03 24.3466713552 -60 39 55.890135468           ~ 1 0
52 PATHOS-15b Pl? 08 04 36.8866961184 -28 17 41.402544900           ~ 1 0
53 TYC 6566-144-1 * 08 04 36.8866961184 -28 17 41.402544900   12.16 12.07     ~ 8 0
54 CD-27 4960 SB* 08 04 57.6519018072 -28 08 46.421295288   10.36 10.14     ~ 8 0
55 PATHOS-14b Pl? 08 04 57.6519018072 -28 08 46.421295288           ~ 1 0
56 NGC 2527 OpC 08 04 59.0 -28 07 19   6.81 6.5     ~ 104 0
57 PATHOS-6b Pl? 08 12 23.4413137397 -05 46 07.187676288           ~ 1 0
58 Cl* NGC 2548 AR 19 SB* 08 12 23.4413137397 -05 46 07.187676288   13.087 12.691     ~ 15 0
59 NGC 2548 OpC 08 13 38.9 -05 43 34           ~ 182 0
60 PATHOS-7b Pl? 08 36 28.6336503912 -50 08 58.854048648           ~ 1 0
61 2MASS J08362863-5008588 * 08 36 28.6336503912 -50 08 58.854048648           ~ 1 0
62 SAI 91 OpC 08 36 58 -50 02.7           ~ 16 0
63 K2-95b Pl 08 37 27.0563032536 +18 58 36.021202824           ~ 37 0
64 K2-100b Pl 08 38 24.3002838928 +20 06 21.828057218           ~ 67 0
65 K2-104b Pl 08 38 32.8359046503 +19 46 25.591543965           ~ 24 0
66 NGC 2632 OpC 08 40 13.0 +19 37 16           ~ 1564 0
67 K2-102b Pl 08 40 13.4534275080 +19 46 43.709186244           ~ 15 0
68 K2-101b Pl 08 41 22.5783027954 +18 56 01.947224876           ~ 22 0
69 K2-103b Pl 08 41 38.4893118114 +17 38 24.084971669           ~ 20 0
70 PATHOS-11b Pl? 08 45 51.3939795120 -52 55 42.224143296           ~ 1 0
71 2MASS J08455138-5255422 * 08 45 51.3939795120 -52 55 42.224143296           ~ 5 0
72 NGC 2671 OpC 08 46 13.7 -41 53 10     11.6     ~ 29 0
73 NGC 2669 OpC 08 46 26.6 -52 55 52   6.35 6.1     ~ 69 0
74 2MASS J08465676-4158382 * 08 46 56.7792570720 -41 58 38.460352080           ~ 2 0
75 PATHOS-17b Pl? 08 46 56.7792570720 -41 58 38.460352080           ~ 1 0
76 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2342 0
77 PATHOS-2b Pl? 08 57 32.2963068384 -47 50 51.644815188           ~ 1 0
78 CD-47 4544 * 08 57 32.2963068384 -47 50 51.644815188 12.61 12.60 11.63 11.41   OB 4 0
79 NAME Muzzio 1 OpC 08 57 54.7 -47 45 40           ~ 22 1
80 Cl Ruprecht 82 OpC 09 45 41.0 -54 00 14   8.55 8.1     ~ 32 0
81 2MASS J09460550-5358436 * 09 46 05.4962273928 -53 58 43.538968092           ~ 2 0
82 PATHOS-28b Pl? 09 46 05.4962273928 -53 58 43.538968092           ~ 1 0
83 PATHOS-32b Pl? 09 59 38.8912005864 -59 54 11.675479824           ~ 1 0
84 TYC 8610-2529-1 EB* 09 59 38.8912005864 -59 54 11.675479824   11.36 11.15     ~ 3 0
85 NGC 3114 OpC 10 02 12.7 -60 02 28   4.47 4.2     ~ 195 0
86 CPD-63 1435 * 10 28 08.9903170248 -64 30 18.936383436   11.12 10.64     ~ 28 0
87 CPD-63 1435b Pl 10 28 08.9903170248 -64 30 18.936383436           ~ 11 0
88 V* V546 Car BY* 10 36 37.9550737536 -64 47 53.793182148   13.84       ~ 30 0
89 PATHOS-31b Pl? 10 36 37.9550737536 -64 47 53.793182148           ~ 1 0
90 2MASS J10410407-6531175 * 10 41 04.0780047048 -65 31 17.582123928           ~ 4 0
91 PATHOS-24b Pl? 10 41 04.0780047048 -65 31 17.582123928           ~ 1 0
92 Cl Melotte 101 OpC 10 42 08.4 -65 06 36           ~ 47 0
93 IC 2602 OpC 10 42 27.1 -64 25 34           ~ 675 0
94 NGC 3532 OpC 11 05 40.1 -58 42 25           ~ 350 0
95 HD 96565 EB* 11 06 37.2941502360 -58 51 38.824437924   9.542 9.484 9.471 9.480 A 25 0
96 PATHOS-20b Pl? 11 06 37.2941502360 -58 51 38.824437924           ~ 1 0
97 2MASS J11300995-6307564 * 11 30 09.9615048168 -63 07 56.309656944           ~ 1 0
98 PATHOS-22b Pl? 11 30 09.9615048168 -63 07 56.309656944           ~ 1 0
99 Cl Ruprecht 94 OpC 11 31 05.3 -63 25 34           ~ 34 0
100 PATHOS-29b Pl? 12 26 58.2605454408 -60 41 26.310883884           ~ 1 0
101 2MASS J12265825-6041262 * 12 26 58.2605454408 -60 41 26.310883884           ~ 1 0
102 Cl Collinder 258 OpC 12 27 11.5 -60 46 01   7.39 7.1     ~ 68 1
103 TYC 9008-1194-1 * 13 53 35.4202964232 -62 04 35.033055744   12.31 12.32     ~ 8 0
104 PATHOS-19b Pl? 13 53 35.4202964232 -62 04 35.033055744           ~ 1 0
105 NGC 5316 OpC 13 54 03.8 -61 52 59   6.08 6.0     ~ 101 0
106 PATHOS-34b Pl? 14 30 01.5359978640 -61 19 29.714630052           ~ 1 0
107 Gaia DR2 5878400624292716288 * 14 30 01.5359978640 -61 19 29.714630052           ~ 2 0
108 Cl Trumpler 22 OpC 14 31 07.9 -61 10 08           ~ 62 0
109 NGC 5925 OpC 15 27 23.3 -54 30 54     8.4     ~ 24 0
110 2MASS J15282349-5433309 * 15 28 23.4980922192 -54 33 30.982695696           ~ 3 0
111 PATHOS-26b Pl? 15 28 23.4980922192 -54 33 30.982695696           ~ 1 0
112 Cl Alessi 8 OpC 15 29 37.9 -51 13 37           ~ 30 0
113 PATHOS-12b Pl? 15 31 28.4182612656 -51 10 41.932701660           ~ 1 0
114 2MASS J15312841-5110419 * 15 31 28.4182612656 -51 10 41.932701660           ~ 5 0
115 Cl Collinder 292 OpC 15 49 38.4 -57 35 38     7.9     ~ 25 0
116 2MASS J15513976-5716470 * 15 51 39.7418056320 -57 16 47.016980328           ~ 2 0
117 PATHOS-5b Pl? 15 51 39.7418056320 -57 16 47.016980328           ~ 1 0
118 K2-33b Pl 16 10 14.7377409264 -19 19 09.407629452           ~ 66 0
119 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
120 HD 328754 * 16 46 09.3017790072 -45 19 16.981298436   11.70 12.52     A0 5 0
121 PATHOS-18b Pl? 16 46 09.3017790072 -45 19 16.981298436           ~ 1 0
122 [KPR2005] 85 OpC 16 47 24.7 -45 33 18           ~ 27 0
123 [KPR2005] 88 OpC 17 07 32.6 -35 33 50           ~ 33 0
124 PATHOS-4b Pl? 17 07 33.1609203528 -35 30 12.768514812           ~ 1 0
125 TYC 7369-745-1 * 17 07 33.1609203528 -35 30 12.768514812   11.31 11.00     ~ 4 0
126 NGC 6774 OpC 19 16 20.9 -16 19 59           ~ 200 0
127 Kepler-66b Pl 19 35 55.5742859415 +46 41 15.957071005           ~ 39 1
128 Kepler-67b Pl 19 36 36.8093759520 +46 09 59.166722448           ~ 37 1
129 NGC 6811 OpC 19 37 21.6 +46 22 41   7.47 6.8     ~ 378 0
130 HD 222259Ab Pl 23 39 39.4808078664 -69 11 44.707735104           ~ 50 0

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