2015A&A...584A..72M


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.20CEST09:29:38

2015A&A...584A..72M - Astronomy and Astrophysics, volume 584A, 72-72 (2015/12-1)

The HARPS-N Rocky Planet Search. I. HD 219134b: A transiting rocky planet in a multi-planet system at 6.5 pc from the Sun.

MOTALEBI F., UDRY S., GILLON M., LOVIS C., SEGRANSAN D., BUCHHAVE L.A., DEMORY B.O., MALAVOLTA L., DRESSING C.D., SASSELOV D., RICE K., CHARBONNEAU D., COLLIER CAMERON A., LATHAM D., MOLINARI E., PEPE F., AFFER L., BONOMO A.S., COSENTINO R., DUMUSQUE X., FIGUEIRA P., FIORENZANO A.F.M., GETTEL S., HARUTYUNYAN A., HAYWOOD R.D., JOHNSON J., LOPEZ E., LOPEZ-MORALES M., MAYOR M., MICELA G., MORTIER A., NASCIMBENI V., PHILIPS D., PIOTTO G., POLLACCO D., QUELOZ D., SOZZETTI A., VANDERBURG A. and WATSON C.A.

Abstract (from CDS):

We know now from radial velocity surveys and transit space missions that planets only a few times more massive than our Earth are frequent around solar-type stars. Fundamental questions about their formation history, physical properties, internal structure, and atmosphere composition are, however, still to be solved. We present here the detection of a system of four low-mass planets around the bright (V=5.5) and close-by (6.5pc) star HD219134. This is the first result of the Rocky Planet Search programme with HARPS-N on the Telescopio Nazionale Galileo in La Palma. The inner planet orbits the star in 3.0935±0.0003days, on a quasi-circular orbit with a semi-major axis of 0.0382±0.0003AU. Spitzer observations allowed us to detect the transit of the planet in front of the star making HD219134b the nearest known transiting planet to date. From the amplitude of the radial velocity variation (2.25±0.22m/s) and observed depth of the transit (359±38ppm), the planet mass and radius are estimated to be 4.36±0.44M and 1.606±0.086R, leading to a mean density of 5.76±1.09g/cm3, suggesting a rocky composition. One additional planet with minimum-mass of 2.78±0.65M moves on a close-in, quasi-circular orbit with a period of 6.767±0.004-days. The third planet in the system has a period of 46.66±0.08-days and a minimum-mass of 8.94±1.13M, at 0.233±0.002AU from the star. Its eccentricity is 0.46±0.11. The period of this planet is close to the rotational period of the star estimated from variations of activity indicators (42.3±0.1days). The planetary origin of the signal is, however, the preferred solution as no indication of variation at the corresponding frequency is observed for activity-sensitive parameters. Finally, a fourth additional longer-period planet of mass of 71M orbits the star in 1842-days, on an eccentric orbit (e=0.34±0.17) at a distance of 2.56AU.

Abstract Copyright:

Journal keyword(s): techniques: radial velocities - techniques: photometric - stars: individual: HD219134 - binaries: eclipsing - instrumentation: spectrographs

VizieR on-line data: <Available at CDS (J/A+A/584/A72): table6.dat spitzer.dat>

Simbad objects: 75

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Number of rows : 75

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 38 ** 00 05 41.01985 +45 48 43.5072 10.86 9.645 8.217 8.30   K6V+M0.5V 81 0
2 BD+40 45 PM* 00 17 06.3738703666 +40 56 53.869185832   10.36   8.2   K7 113 0
3 * 54 Psc PM* 00 39 21.8055114029 +21 15 01.716052732 7.29 6.71 5.88 5.21 4.82 K0.5V 530 1
4 HD 4628 PM* 00 48 22.9763438736 +05 16 50.209562003 7.22 6.64 5.74 4.99 4.52 K2.5V 450 0
5 HD 10180 * 01 37 53.5773715933 -60 30 41.485438420   7.95 7.32     G1V 153 2
6 * 107 Psc PM* 01 42 29.7634932653 +20 16 06.660242064 6.57 6.08 5.24 4.55 4.12 K1V 508 0
7 HD 10436 PM* 01 43 40.7237745550 +63 49 24.233066430   9.609 8.407 7.7   K5Vbe 106 0
8 HD 16160 PM* 02 36 04.9023844802 +06 53 12.431588708   6.81   5.2   K3V 486 1
9 HD 19305 PM* 03 06 26.7371937234 +01 57 54.628015605 11.697 10.44 9.055 8.201 7.427 M0V 116 0
10 * e Eri PM* 03 19 55.6509352 -43 04 11.217495 5.20 4.98 4.27 3.65 3.25 G6V 399 1
11 HD 232979 Er* 04 37 40.9307425963 +52 53 37.011042661   10.006 8.648 8.750   M0.5V 148 0
12 HD 32147 PM* 05 00 48.9991346145 -05 45 13.220341956 8.27 7.27 6.21 5.36 4.87 K3+V 416 1
13 BD+62 780 PM* 05 45 48.2761149367 +62 14 12.386065289   10.867   8.2   K7V 69 0
14 HD 40307 PM* 05 54 04.2409953924 -60 01 24.491747849 8.814 8.097 7.147 6.597 6.119 K2.5V 199 1
15 V* V1386 Ori Ro* 06 06 40.4779729363 +15 32 31.579218639 8.016 7.565   6.2   K0V 146 0
16 HD 47752 PM* 06 41 15.7111271551 +23 57 27.778348165 10.034 9.115 8.056 7.441 6.93 K3.5V 86 0
17 CoRoT-7b Pl 06 43 49.4690410679 -01 03 46.825797768           ~ 356 1
18 HD 48948 PM* 06 49 57.0258738609 +60 20 07.962300031   9.82   7.9   K5 76 0
19 V* V376 Gem BY* 07 29 01.7687016962 +31 59 37.837444412   8.657 7.714 7.1   K2.5V 82 0
20 HD 62613 PM* 07 56 17.2280848677 +80 15 55.954609278   7.29   6.1   G9 132 0
21 HD 65277 PM* 07 57 57.7842802784 -00 48 51.874649687   9.105 8.077     K4V 75 0
22 NAME LP 424-4b Pl 07 59 05.8395618539 +15 23 29.240025256           ~ 166 1
23 HD 65583 PM* 08 00 32.1297149403 +29 12 44.476641343 7.89 7.71 7.00 6.40 5.98 K0V_Fe-1.3 290 0
24 BD+21 1764 Er* 08 08 13.1858357712 +21 06 18.249434626   10.89   8.7   K7Ve 53 0
25 BD+67 552 ** 08 36 25.4460279441 +67 17 41.851565991   11.153   8.4   M0.5Ve 91 0
26 BD+66 582 PM* 08 52 00.3479617797 +66 07 53.388870000   10.63 9.28     K5 54 0
27 * rho01 Cnc PM* 08 52 35.8113282132 +28 19 50.956901366 7.45 6.82   5.4   K0IV-V 978 1
28 * rho01 Cnc e Pl 08 52 35.8113282132 +28 19 50.956901366           ~ 409 1
29 HD 79210 Er* 09 14 22.7754519714 +52 41 11.792840757   9.388   6.8   K7V 253 0
30 HD 79211 Er* 09 14 24.6830609365 +52 41 10.906120364   7.966   6.8   M0V 235 0
31 HD 79969 BY* 09 17 53.45577 +28 33 37.8633   8.19   6.6   K3V 183 0
32 HD 84035 PM* 09 43 25.6605300177 +42 41 29.615366410 10.420 9.270   8.691   K4V 103 0
33 HD 85512 PM* 09 51 07.0520306762 -43 30 10.021950881 9.963 8.83 7.651 6.934 6.319 K6Vk: 153 1
34 HD 88230 Er* 10 11 22.1400209197 +49 27 15.249158750 9.23 7.94 6.61 5.36 4.56 K6VeFe-1 424 0
35 BD+46 1635 PM* 10 31 24.2170618951 +45 31 33.780854869   10.214 8.864 8.843   K7V 88 0
36 BD+57 1274 PM* 10 31 43.2243753707 +57 06 57.107712240   11.00   9.27   K5V 45 0
37 HD 94765 BY* 10 56 30.7993244117 +07 23 18.508791002 8.944 8.252 7.379 6.815 6.442 K0V 86 0
38 HD 97101 PM* 11 11 05.1719342387 +30 26 45.664958505   9.67   8.691   K7V 112 1
39 HD 97503 PM* 11 13 13.2345720205 +04 28 56.440397582 11 9.79 9.32 8.84 7.335 K5V 80 0
40 HD 97658b Pl 11 14 33.1613362847 +25 42 37.391912066           ~ 139 1
41 * 83 Leo B PM* 11 26 46.2784696716 +03 00 22.757061950 9.467 8.554 7.530 6.97 6.508 K3 172 1
42 Ross 905b Pl 11 42 11.0933874353 +26 42 23.658083337           ~ 610 1
43 HD 103095 PM* 11 52 58.7683801554 +37 43 07.240082865 7.38 7.20 6.45 5.80 5.35 K1V_Fe-1.5 750 1
44 HD 110315 PM* 12 41 06.4845693746 +15 22 36.003098529 10.082 9.029 7.926 7.205 6.63 K4.5V 87 0
45 HD 111631 PM* 12 50 43.5668069413 -00 46 05.267056898 11.187 9.892 8.470 7.59 6.752 M0V 201 0
46 HD 122064 PM* 13 57 32.0591733968 +61 29 34.299358045 8.510 7.530   5.9   K3 96 0
47 HD 128165 PM* 14 33 28.8680096728 +52 54 31.646946280   8.22   6.7   K3 121 0
48 * alf Cen B PM* 14 39 35.06311 -60 50 15.0992 2.89 2.21 1.33     K1V 901 1
49 HD 144579 PM* 16 04 56.7938239883 +39 09 23.434791067 7.60 7.40 6.67 6.04 5.63 G8V 251 1
50 HD 147379 PM* 16 16 42.7466017485 +67 14 19.830690618   10.01   8.730   M1-Ve 187 0
51 HD 151288 PM* 16 45 06.3505783075 +33 30 33.213883636   9.48   8.388   K7.5Ve 169 0
52 NAME G 139-21b Pl 17 15 18.9337265994 +04 57 50.064695682           ~ 547 1
53 HD 158633 PM* 17 25 00.0982708577 +67 18 24.150141561   7.19   5.9   K0 172 0
54 HD 157881 PM* 17 25 45.2323043669 +02 06 41.123668100 10.126 8.865 7.56 6.649 5.89 K7V 310 0
55 HD 166620 PM* 18 09 37.4162810870 +38 27 27.995921559 7.86 7.27 6.40 5.63 5.14 K2V 393 0
56 HD 173818 PM* 18 47 27.2505471613 -03 38 23.400322908 11.286 10.08 8.766 7.958 7.277 K5V 81 0
57 Kepler-10b Pl 19 02 43.0612302512 +50 14 28.700759378           ~ 247 1
58 Kepler-10c Pl 19 02 43.0612302512 +50 14 28.700759378           ~ 101 1
59 Kepler-36b Pl 19 25 00.0430855076 +49 13 54.631289830           ~ 118 1
60 BD+38 3583b Pl 19 25 40.3886092719 +38 40 20.411344230           ~ 75 0
61 * sig Dra PM* 19 32 21.5902990 +69 39 40.234737 5.860 5.460 4.680 4.04 3.63 K0V 584 0
62 HD 184489 PM* 19 34 39.8401601365 +04 34 57.048681854 11.917 10.707 9.326 8.475 7.7 M0V 107 0
63 Kepler-78b Pl 19 34 58.0139307295 +44 26 53.957326851           ~ 108 1
64 BD+47 2936b Pl 19 50 50.2474562793 +48 04 51.097364378           ~ 298 1
65 HD 190007 BY* 20 02 47.0455912903 +03 19 34.264805769   8.60   6.8   K5V 202 0
66 HD 200779 PM* 21 05 19.7460700579 +07 04 09.473066092 10.723 9.518 8.272 7.519 6.909 K6V 131 0
67 * 61 Cyg A BY* 21 06 53.9396100677 +38 44 57.897024357 7.50 6.39 5.21 4.19 3.54 K5V 950 0
68 * 61 Cyg B Er* 21 06 55.2640651855 +38 44 31.362140913 8.63 7.40 6.03 4.86 3.55 K7V 670 1
69 HD 219134b Pl 23 13 16.9747821012 +57 10 06.076520993           ~ 60 0
70 HD 219134c Pl 23 13 16.9747821012 +57 10 06.076520993           ~ 21 0
71 HD 219134 Er* 23 13 16.9747821012 +57 10 06.076520993 7.460 6.560 5.570 4.76 4.23 K3V 521 1
72 HD 219134e Pl? 23 13 16.9747821012 +57 10 06.076520993           ~ 2 0
73 HD 219134d Pl 23 13 16.9747821012 +57 10 06.076520993           ~ 8 0
74 HD 219434 * 23 15 58.3638611679 -25 54 52.806130467   10.39 9.35     G8IV 3 0
75 BD-00 4534b Pl 23 35 49.2850796143 +00 26 43.842763271           ~ 28 0

    Equat.    Gal    SGal    Ecl

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2020.10.20-09:29:38

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