2009A&A...496..527B

Query : 2009A&A...496..527B

2009A&A...496..527B - Astronomy and Astrophysics, volume 496527-531 (2009/3-3)

The HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD47186 and HD181433.

BOUCHY F., MAYOR M., LOVIS C., UDRY S., BENZ W., BERTAUX J.-L., DELFOSSE X., MORDASINI C., PEPE F., QUELOZ D. and SEGRANSAN D.

Abstract (from CDS):

We report on the detection of two new multiple planet systems orbiting solar-like stars HD47186 and HD181433. The first system contains a hot Neptune of 22.78M⊕ with a 4.08-day period and a Saturn of 0.35MJUP with a 3.7-year period. The second system contains a Super-Earth of 7.5M⊕ with a 9.4-day period, a 0.64MJUP with a 2.6-year period, and a third companion of 0.54MJUP with a period of about 6 years. These detections increase to 20 the number of close-in low-mass exoplanets (below 0.1MJUP) and strengthen the fact that 80% of these planets are in multiple planetary systems.

Abstract Copyright: ∼

Journal keyword(s): stars: planetary systems - techniques: radial velocities - stars: individual: HD47186 - stars: individual: HD181433

VizieR on-line data: <Available at CDS (J/A+A/496/527): table1.dat table2.dat>

Simbad objects: 16

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Number of rows : 16
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 285968b Pl 04 42 55.7750207949 +18 57 29.395947044           ~ 52 1
2 HD 40307 PM* 05 54 04.2405000288 -60 01 24.493007640 8.814 8.097 7.147 6.597 6.119 K2.5V 305 1
3 HD 47186 PM* 06 36 08.7879310512 -27 37 20.268367464   8.36 7.63     G6V 165 1
4 HD 47186b Pl 06 36 08.7879310512 -27 37 20.268367464           ~ 30 1
5 HD 47186c Pl 06 36 08.7879310512 -27 37 20.268367464           ~ 20 1
6 * rho01 Cnc PM* 08 52 35.8111044043 +28 19 50.954994470 7.45 6.82   5.4   K0IV-V 1223 1
7 Ross 905b Pl 11 42 11.0933350978 +26 42 23.650782778           ~ 913 1
8 CD-46 11540b Pl 17 28 39.9455781571 -46 53 42.688095874           ~ 58 1
9 * mu. Ara PM* 17 44 08.7031414872 -51 50 02.591603160   5.85 5.15     G3IV-V 578 2
10 HD 181433b Pl 19 25 09.5666936172 -66 28 07.676956827           ~ 33 1
11 HD 181433 PM* 19 25 09.5666936172 -66 28 07.676956827   9.42 8.38     K3III-IV 144 1
12 HD 181433d Pl 19 25 09.5666936172 -66 28 07.676956827           ~ 31 1
13 HD 181433c Pl 19 25 09.5666936172 -66 28 07.676956827           ~ 24 1
14 HD 190360 PM* 20 03 37.4050868074 +29 53 48.492435887   6.44   5.2   G7IV-V 490 1
15 BD-15 6290 BY* 22 53 16.7325836486 -14 15 49.304052185 12.928 11.749 10.192 9.013 7.462 M3.5V 1106 1
16 HD 219828 * 23 18 46.7341555224 +18 38 44.619358200   8.68 8.01     G0IV 127 1

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