2015A&A...573A..36N


Query : 2015A&A...573A..36N

2015A&A...573A..36N - Astronomy and Astrophysics, volume 573A, 36-36 (2015/1-1)

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N. I. A multiple planetary system around the red giant star TYC 1422-614-1.

NIEDZIELSKI A., VILLAVER E., WOLSZCZAN A., ADAMOW M., KOWALIK K., MACIEJEWSKI G., NOWAK G., GARCIA-HERNANDEZ D.A., DEKA B. and ADAMCZYK M.

Abstract (from CDS):

Stars that have evolved off the main sequence are crucial for expanding the frontiers of knowledge on exoplanets toward higher stellar masses and for constraining star-planet interaction mechanisms. These stars have an intrinsic activity, however, which complicates the interpretation of precise radial velocity (RV) measurements, and therefore they are often avoided in planet searches. Over the past ten years, we have monitored about 1000 evolved stars for RV variations in search for low-mass companions under the Penn State - Torun Centre for Astronomy Planet Search program with the Hobby-Eberly Telescope. Selected prospective candidates that required higher RV precision measurements have been followed with HARPS-N at the 3.6m Telescopio Nazionale Galileo. We aim to detect planetary systems around evolved stars, to be able to build sound statistics on the frequency and intrinsic nature of these systems, and to deliver in-depth studies of selected planetary systems with evidence of star-planet interaction processes. We obtained 69 epochs of precise RV measurements for TYC 1422-614-1 collected over 3651 days with the Hobby-Eberly Telescope, and 17 epochs of ultra-precise HARPS-N data collected over 408 days. We complemented these RV data with photometric time-series from the All Sky Automatic Survey archive. We report the discovery of a multiple planetary system around the evolved K2 giant star TYC 1422-614-1. The system orbiting the 1.15M star is composed of a planet with mass msini=2.5MJ in a 0.69AU orbit, and a planet or brown dwarf with msini=10MJ in an orbit of 1.37AU. The multiple planetary system orbiting TYC 1422-614-1 is the first finding of the TAPAS project, a HARPS-N monitoring of evolved planetary systems identified with the Hobby-Eberly Telescope.

Abstract Copyright:

Journal keyword(s): planets and satellites: detection - planets and satellites: individual: TYC 1422 614 1 - planetary systems - stars: late-type

Simbad objects: 33

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Number of rows : 33
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 HD 4732c Pl 00 49 13.9502186808 -24 08 11.990652936           ~ 17 1
2 HD 4732b Pl 00 49 13.9502186808 -24 08 11.990652936           ~ 13 1
3 HD 10180 * 01 37 53.5772394024 -60 30 41.482108548   7.95 7.32     G1V 193 2
4 * eps Ret PM* 04 16 29.0281470260 -59 18 07.755891304 6.59 5.52 4.44 3.62 3.08 K2III 238 1
5 HD 38529c Pl 05 46 34.9131388488 +01 10 05.502949860           ~ 82 1
6 HD 38529b Pl 05 46 34.9131388488 +01 10 05.502949860           ~ 87 1
7 * omi UMa PM* 08 30 15.8701566400 +60 43 05.405606188 4.79 4.27 3.42 2.76 2.31 G5III: 253 1
8 HAT-P-13b Pl 08 39 31.8072358440 +47 21 07.273799280           ~ 115 1
9 HAT-P-13c Pl 08 39 31.8072358440 +47 21 07.273799280           ~ 51 1
10 * rho01 Cnc EB* 08 52 35.8111044043 +28 19 50.954994470 7.45 6.82   5.4   K0IV-V 1117 1
11 HD 88133 PM* 10 10 07.6764870792 +18 11 12.728406552   8.88   7.5   G8V 114 1
12 BD+20 2457b Pl 10 16 44.8671846183 +19 53 29.010025880           ~ 21 1
13 BD+20 2457 * 10 16 44.8671846183 +19 53 29.010025880   10.99 9.74     K2 58 1
14 BD+20 2457c Pl 10 16 44.8671846183 +19 53 29.010025880           ~ 20 1
15 BD+20 2459 * 10 17 06.6759730608 +19 33 30.435253452   11.26 10.19     G5 24 0
16 * 24 Sex b Pl 10 23 28.3698081504 -00 54 08.092603368           ~ 20 1
17 * 24 Sex c Pl 10 23 28.3698081504 -00 54 08.092603368           ~ 17 1
18 BD-07 4003d Pl 15 19 26.8269387505 -07 43 20.189497466           ~ 152 1
19 HD 166435 PM* 18 09 21.3816898440 +29 57 06.166145376   7.457 6.829     G1IV 189 0
20 HD 168443c Pl 18 20 03.9332862096 -09 35 44.614653900           ~ 93 1
21 HD 168443b Pl 18 20 03.9332862096 -09 35 44.614653900           ~ 97 1
22 HD 177830 ** 19 05 20.7731776776 +25 55 14.372511888   8.266 7.177     K0+M4V 189 1
23 Kepler-391b Pl 19 22 29.2352358936 +51 03 26.326093320           ~ 24 0
24 Kepler-391c Pl 19 22 29.2352358936 +51 03 26.326093320           ~ 19 0
25 BD+70 1068 * 19 29 11.8398348696 +70 29 13.524970488   10.40 9.26     G8III 9 0
26 Kepler-56c Pl 19 35 02.0011980936 +41 52 18.692360400           ~ 46 1
27 Kepler-56b Pl 19 35 02.0011980936 +41 52 18.692360400           ~ 60 1
28 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 350 1
29 HD 200964c Pl 21 06 39.8422794792 +03 48 11.226709188           ~ 21 1
30 HD 200964b Pl 21 06 39.8422794792 +03 48 11.226709188           ~ 23 1
31 HD 202206b Pl 21 14 57.7686051936 -20 47 21.161521320           ~ 57 1
32 HD 202206 PM* 21 14 57.7686051936 -20 47 21.161521320   8.79 8.07     G6V 230 1
33 HD 209458 V* 22 03 10.7727465312 +18 53 03.549393384   8.21 7.63     F9V 1112 1

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