2020A&A...633A..44G


C.D.S. - SIMBAD4 rel 1.7 - 2021.02.28CET12:14:54

2020A&A...633A..44G - Astronomy and Astrophysics, volume 633A, 44-44 (2020/1-1)

A HARPS RV search for planets around young nearby stars.

GRANDJEAN A., LAGRANGE A.-M., KEPPLER M., MEUNIER N., MIGNON L., BORGNIET S., CHAUVIN G., DESIDERA S., GALLAND F., MESSINA S., STERZIK M., PANTOJA B., RODET L. and ZICHER N.

Abstract (from CDS):


Context. Young nearby stars are good candidates in the search for planets with both radial velocity (RV) and direct imaging techniques. This, in turn, allows for the computation of the giant planet occurrence rates at all separations. The RV search around young stars is a challenge as they are generally faster rotators than older stars of similar spectral types and they exhibit signatures of magnetic activity (spots) or pulsation in their RV time series. Specific analyses are necessary to characterize, and possibly correct for, this activity.
Aims. Our aim is to search for planets around young nearby stars and to estimate the giant planet (GP) occurrence rates for periods up to 1000 days.
Methods. We used the HARPS spectrograph on the 3.6m telescope at La Silla Observatory to observe 89 A-M young (<600Myr) stars. We used our SAFIR (Spectroscopic data via Analysis of the Fourier Interspectrum Radial velocities) software to compute the RV and other spectroscopic observables. Then, we computed the companion occurrence rates on this sample.
Results. We confirm the binary nature of HD 177171, HD 181321 and HD 186704. We report the detection of a close low mass stellar companion for HIP 36985. No planetary companion was detected. We obtain upper limits on the GP (<13MJup) and BD (∈ [13;80]MJup) occurrence rates based on 83 young stars for periods less than 1000 days, which are set, 2–2+3 and 1–1+3%%.

Abstract Copyright: © A. Grandjean et al. 2020

Journal keyword(s): techniques: radial velocities - stars: activity - binaries: spectroscopic - planetary systems - starspots - stars: variables: general

VizieR on-line data: <Available at CDS (J/A+A/633/A44): sources.dat tablea1.dat tablea2.dat>

Status at CDS : Tables of objects will be appraised for possible ingestion in SIMBAD.

Simbad objects: 93

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Number of rows : 93

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 987 Ro* 00 13 53.0105874824 -74 41 17.851248731   9.48 8.724   7.933 G8V 83 0
2 HD 984 ** 00 14 10.2530723028 -07 11 56.814225050   7.82 7.32     F7V 79 0
3 HD 1466 PM* 00 18 26.1235227218 -63 28 38.981281995   8.00 7.46     F8V 95 0
4 HD 3221 Ro* 00 34 51.2019905484 -61 54 58.129778039   10.83 9.604   8.238 K4Ve 72 0
5 HD 6569 PM* 01 06 26.1533019474 -14 17 47.106147991   10.35 9.52   8.55 K1V 49 0
6 V* EW Cet BY* 01 16 24.1951327645 -12 05 49.205344949   8.32 7.55     K0V 67 0
7 BD-12 243 PM* 01 20 32.2680655064 -11 28 03.728304051   9.19 8.39     G9V 71 1
8 V* EX Cet BY* 01 37 35.4668233260 -06 45 37.531277337 8.862 8.459 7.656 7.218 6.817 K0/1V 114 0
9 * 84 Cet ** 02 41 13.99720 -00 41 44.3845   6.23 5.71     F7V 100 0
10 HD 17925 RS* 02 52 32.1281853696 -12 46 10.970649463 7.48 6.91 6.05 5.34 4.89 K1V 477 0
11 HD 18599 PM* 02 57 02.9515746463 -56 11 31.513992939   9.87 8.99     K2Vk: 22 0
12 V* IS Eri BY* 03 09 42.2876652306 -09 34 46.584013998   9.27 8.49   7.64 G8/K0V 82 0
13 CD-46 1064 Ro* 03 30 49.1011258865 -45 55 57.364966245   10.67 9.622   8.494 K3V 29 0
14 CD-48 1042 PM* 03 40 29.3861694398 -47 55 30.550184494   10.92 9.62     K7V 19 0
15 HD 24916 Er* 03 57 28.6989213844 -01 09 34.071545156 10.224 9.166 8.014 7.336 6.724 K4V 127 0
16 HD 25457 TT* 04 02 36.7451443573 -00 16 08.118566607   5.88 5.38     F7V 241 0
17 HD 26923 Ro* 04 15 28.8004956278 +06 11 12.699896698 6.910 6.860   5.9   G0IV 189 0
18 * 51 Eri PM* 04 37 36.1323118067 -02 28 24.778826936   5.486 5.209     F0IV 179 0
19 HD 30447 * 04 46 49.5287921615 -26 18 08.850707067   8.25 7.86   7.39 F3V 62 0
20 CD-57 1054 PM* 05 00 47.1300124315 -57 15 25.453371912   11.36 9.977 9.889 8.177 M0Ve 95 0
21 HD 35650 Ro* 05 24 30.1697133942 -38 58 10.746312369 11.54 10.365 9.054 8.293 7.577 K6V 73 0
22 V* AB Dor TT* 05 28 44.8916324761 -65 26 55.289846904 8.259 7.856 6.999 6.496 5.993 K0V 945 0
23 V* UY Pic RS* 05 36 56.8530716709 -47 57 52.884166166   8.77 7.676   6.699 K0V 117 0
24 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 1694 1
25 V* V1386 Ori Ro* 06 06 40.4779729363 +15 32 31.579218639 8.016 7.565   6.2   K0V 149 0
26 V* AO Men Ro* 06 18 28.2084971476 -72 02 41.446399943   11.06 9.809 9.299 8.456 K4Ve 119 0
27 V* V1358 Ori BY* 06 19 08.0574744469 -03 26 20.358775839   8.52 7.95     G0V 94 1
28 HD 44627 Ro* 06 19 12.9129838711 -58 03 15.524890610   10.01 9.205   8.185 K1V(e) 143 1
29 HD 45270 PM* 06 22 30.9412022189 -60 13 07.143258224 7.186 7.11 6.508   5.87 G1V 105 0
30 CD-61 1439 Ro* 06 39 50.0241378869 -61 28 41.529964006 12.224 11.043 9.746 9.11 8.223 K7V(e) 65 0
31 HD 59967 PM* 07 30 42.5117283582 -37 20 21.704201159 7.386 7.274 6.635 6.28 5.945 G3V 134 0
32 HD 61005 PM* 07 35 47.4624262763 -32 12 14.042600581   8.96 8.22     G8Vk 178 0
33 BD-02 2198 PM* 07 36 07.0798477777 -03 06 38.791356409 12.551 11.347 9.871 8.925 7.891 M1.0V 42 0
34 HD 63608 PM* 07 46 16.9608861560 -59 48 34.194570827   9.06 8.23     K0IV-V(k) 48 0
35 HD 77825 BY* 09 04 20.6940978894 -15 54 51.298088788   9.75 8.758   7.703 K2V 47 0
36 BD-08 2582 PM* 09 06 45.3496829393 -08 48 24.611745266 12.184 10.928 9.478 8.564 7.653 K7V 72 0
37 SAO 98614 PM* 09 30 34.9989969927 +10 35 59.822709750       8.2   ~ 34 1
38 V* LQ Hya BY* 09 32 25.5684079124 -11 11 04.687410738 9.316 8.761 7.891 7.288 6.815 K1Vp 408 0
39 BD+20 2465 Er* 10 19 36.2808024653 +19 52 12.014037746   10.82 9.52 9.19   dM3 1175 0
40 * 40 Leo dS* 10 19 44.1668778 +19 28 15.294314   5.24   4.5   F6IV-V 252 0
41 BD+01 2447 PM* 10 28 55.5513010331 +00 50 27.601817738 12.389 11.151 9.650 8.617 7.389 dM2 266 0
42 HD 90905 PM* 10 29 42.2300405874 +01 29 28.039591756       6.5   G1V 74 0
43 V* V419 Hya BY* 10 43 28.2716326261 -29 03 51.429322869 9.144 8.596 7.719 7.232 6.806 K1V 148 0
44 HD 95086 * 10 57 03.0216129217 -68 40 02.446874288   7.60 7.36     A8III 135 1
45 V* DS Leo BY* 11 02 38.3419263291 +21 58 01.704479733 12.246 11.049 9.572 8.638 7.634 M1.0V 183 0
46 * gam Crt PM* 11 24 52.9236199 -17 41 02.429978   4.25 4.06 6.12   A7V(n) 119 0
47 HD 102458 Y*O 11 47 24.5436617458 -49 53 03.018055867   9.70 9.07   8.40 G4V 81 0
48 HD 103743 PM* 11 56 43.7784001294 -32 16 02.692044633   8.48 7.81     G4V 52 1
49 HD 105690 Ro* 12 10 06.4713164686 -49 10 50.656895587   8.86 8.199   7.414 G5V 49 0
50 HD 106906B BD* 12 17 52.61 -55 58 26.6           L2.5 58 0
51 HD 106906 * 12 17 53.1914296570 -55 58 31.890430864   8.95 8.89 8.46   F5V 106 0
52 * del Crv PM* 12 29 51.8551642 -16 30 55.552542 2.80 2.89 2.94 2.99 3.03 A0IV(n)kB9 189 0
53 * e Vir PM* 13 16 46.5161591991 +09 25 26.967205938   5.81   4.8   G0V 511 1
54 HD 116434 ** 13 24 36.0982987288 -51 30 16.046513257   7.08 6.98   6.87 A2V 43 0
55 HD 118100 Er* 13 34 43.2063348511 -08 20 31.335294003 11.578 10.552 9.372 8.602 7.930 K5Ve 327 0
56 HD 131399A * 14 54 25.3091662743 -34 08 34.036971582   7.16 7.08     A1V 10 0
57 HD 131399 ** 14 54 25.30919 -34 08 34.0412   7.19 7.08 8.33   A1V 36 0
58 V* NZ Lup BY* 15 53 27.2914974411 -42 16 00.711812290   8.48 7.975   7.213 G2 77 0
59 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1160 1
60 * d Sco PM* 16 18 17.9001656 -28 36 50.476788   4.804 4.782     A1Va 150 0
61 HD 146464 Ro* 16 19 15.8533752251 -55 30 17.044025008   10.30 9.267   8.235 K3Ve 35 0
62 HD 152555 PM* 16 54 08.1435617918 -04 20 24.660402166   8.42 7.82     F8/G0V 81 0
63 * pi. Ara PM* 17 38 05.5156207477 -54 30 01.570465111   5.431 5.242     A5IV/V 85 0
64 HD 164249 PM* 18 03 03.4097129717 -51 38 56.434160321   7.438 7.007 7.90   F6V 98 0
65 HD 169178 PM* 18 24 50.5676626607 -34 11 26.086499954   9.79 8.94     K0V 16 0
66 V* V889 Her BY* 18 34 20.1030244573 +18 41 24.234582456   8.00 7.449   6.720 G2V 122 0
67 HD 172555 PM* 18 45 26.9004853 -64 52 16.539796   4.967 4.767     A7V 244 0
68 V* PZ Tel BY* 18 53 05.8733807460 -50 10 49.901380086   9.22 8.342   7.464 G9IV 294 0
69 * rho Tel PM* 19 06 19.9556991283 -52 20 27.288013018   5.700 5.174     F6V 70 0
70 HD 181321 PM* 19 21 29.7277723051 -34 59 00.356331012 7.22 7.11 6.48     G2V 127 0
71 HD 181327 PM* 19 22 58.9434412361 -54 32 16.979671096   7.50 7.04   6.49 F6V 238 0
72 HD 183414 PM* 19 35 09.7191296886 -69 58 32.098743191   8.538 7.891     G3V 45 0
73 HD 186704 Ro* 19 45 57.3402298694 +04 14 54.416851821   7.62 7.037   6.341 G0V 42 0
74 HD 189245 PM* 20 00 20.2490835420 -33 42 12.427710024   6.15 5.66     F7V 98 0
75 * eps Pav PM* 20 00 35.5555788 -72 54 37.819779   3.927 3.940     A0Va 115 0
76 HD 191089 PM* 20 09 05.2158287736 -26 13 26.520539765   7.62 7.18     F5V 122 0
77 V* AU Mic LM* 20 45 09.5323695486 -31 20 27.241710746   10.05 8.627 9.078 6.593 M1VeBa1 930 0
78 V* BO Mic BY* 20 47 44.9892114361 -36 35 40.819135413   10.39 9.337   8.216 K3V(e) 169 0
79 HD 202917 Ro* 21 20 49.9575453387 -53 02 03.157635940   9.32 8.67   7.882 G7V 143 0
80 V* HN Peg BY* 21 44 31.3299733695 +14 46 18.982331039       6.16   G0V+ 459 0
81 HD 206893 PM* 21 45 21.9056012837 -12 47 00.068065895   7.11 6.67     F5V 69 0
82 HD 207575 PM* 21 52 09.7248951966 -62 03 08.508117999   7.72 7.23     F6V 66 0
83 * ups Aqr PM* 22 34 41.6367033191 -20 42 29.574530725   5.637 5.203     F7V 120 0
84 HD 215641 PM* 22 47 09.3341977306 -32 40 31.643613714   8.34 7.58     G8V 38 0
85 * alf PsA ** 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1135 3
86 HD 217343 PM* 23 00 19.2872945687 -26 09 13.506860661   8.12 7.48   6.75 G5V 98 0
87 HD 217987 PM* 23 05 52.0354545522 -35 51 11.058757520   8.82 7.34     M2V 226 0
88 HD 218396 El* 23 07 28.7156905667 +21 08 03.302133882   6.21 5.953     F0+VkA5mA5 936 0
89 HD 218860 Ro* 23 11 52.0535795063 -45 08 10.633978734   9.52 8.782   7.930 G8V 60 0
90 HD 221575 PM* 23 33 23.8260524191 -12 39 52.624760045   9.71 8.78     K2V 30 0
91 BD+00 5017 ** 23 35 00.2769821069 +01 36 19.433847921 12.082 10.893 9.546 8.703 7.879 K7V 134 0
92 HD 223340 PM* 23 48 50.4948807098 -28 07 15.664053395   10.1 9.28     K1V 30 0
93 HD 224228 PM* 23 56 10.6732720614 -39 03 08.409993692 9.977 9.21 8.225 7.669 7.194 K2V 73 0

    Equat.    Gal    SGal    Ecl

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2021.02.28-12:14:54

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