The HARPS search for southern extra-solar planets XLIII. A compact system of four super-Earth planets orbiting HD 215152

被引：43

作者：

Delisle, J. -B. ^{[1
,2
]}

Segransan, D. ^{[1
]}

Dumusque, X. ^{[1
]}

Diaz, R. F. ^{[1
,3
,4
]}

Bouchy, F. ^{[1
]}

Lovis, C. ^{[1
]}

Pepe, F. ^{[1
]}

Udry, S. ^{[1
]}

Alonso, R. ^{[5
,6
]}

Benz, W. ^{[7
]}

Coffinet, A. ^{[1
]}

Cameron, A. Collier ^{[8
]}

Deleuil, M.

Figueira, P. ^{[10
]}

Gillon, M. ^{[9
,11
]}

Lo Curto, G. ^{[12
]}

Mayor, M. ^{[1
]}

Mordasini, C. ^{[7
]}

Motalebi, F. ^{[1
]}

Moutou, C. ^{[9
,13
]}

Pollacco, D. ^{[14
]}

Pompei, E. ^{[12
]}

Queloz, D. ^{[1
,15
]}

Santos, N. C. ^{[10
,16
]}

Wyttenbach, A. ^{[1
]}

机构：

[1] Observ Univ Geneve, 51 Chemin Maillettes, CH-1290 Sauverny, Switzerland

[2] UPMC Univ Paris 6, PSL Res Univ, Observ Paris, ASD,IMCCE,CNRS, 77 Ave Denfert Rochereau, F-75014 Paris, France

[3] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Buenos Aires, DF, Argentina

[4] Univ Buenos Aires, CONICET, IAFE, Buenos Aires, DF, Argentina

[5] Inst Astrofis Canarias, Tenerife 38205, Spain

[6] Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain

[7] Univ Bern, Phys Inst, Silderstr 5, CH-3012 Bern, Switzerland

[8] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[9] Aix Marseille Univ, CNRS, UMR 7326, LAM, F-13388 Marseille, France

[10] Univ Porto, Inst Astrofis & Ciencias Espaco, CAUP, Rua Estrelas, P-4150762 Porto, Portugal

[11] Univ Liege, Inst Astrophys & Geophys, Allee 6 Aout 17,Bat B5C, B-4000 Liege, Belgium

[12] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

[13] Canada France Hawaii Telescope Corp, POB 1597, Kamuela, HI 96743 USA

[14] Univ Warwick, Dept Phys, Coventry 4 7AL, W Midlands, England

[15] Cavendish Lab, JJ Thomson Ave, Cambridge 3 0HE, England

[16] Univ Porto, Fac Ciencias, Dept Fis & Astron, Rua Campo Alegre, P-4169007 Porto, Portugal

来源：

ASTRONOMY & ASTROPHYSICS | 2018年 / 614卷

基金：

瑞士国家科学基金会;

关键词：

planets and satellites: general; planets and satellites: detection; planets and satellites: dynamical evolution and stability; MASS PLANETS; STARS; SPECTROSCOPY; FREQUENCY; ROTATION; DWARFS; PERIOD;

D O I：

10.1051/0004-6361/201732529

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of four super-Earth planets around HD 215152, with orbital periods of 5.76, 7.28, 10.86, and 25.2 d, and minimum masses of 1.8, 1.7, 2.8, and 2.9 M-circle plus respectively. This discovery is based on 373 high-quality radial velocity measurements taken by HARPS over 13 yr. Given the low masses of the planets, the signal-to-noise ratio is not sufficient to constrain the planet eccentricities. However, a preliminary dynamical analysis suggests that eccentricities should be typically lower than about 0 : 03 for the system to remain stable. With two pairs of planets with a period ratio lower than 1.5, with short orbital periods, low masses, and low eccentricities, HD 215152 is similar to the very compact multi-planet systems found by Kepler, which is very rare in radial-velocity surveys. This discovery proves that these systems can be reached with the radial-velocity technique, but characterizing them requires a huge amount of observations.

引用

页数：9

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[1] The HARPS search for southern extra-solar planets
Moutou, C
Mayor, M
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Naef, D
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Sivan, JP
[J]. ASTRONOMY & ASTROPHYSICS, 2005, 439 (01) : 367 - 373
[2] The HARPS search for southern extra-solar planets
Bonfils, X
Forveille, T
Delfosse, X
Udry, S
Mayor, M
Perrier, C
Bouchy, F
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Bertaux, JL
[J]. ASTRONOMY & ASTROPHYSICS, 2005, 443 (03) : L15 - U11
[3] The HARPS search for southern extra-solar planets -: VIII.: μ Arae, a system with four planets
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Correia, A. C. M.
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Sivan, J. -P.
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Lovis, C.
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Benz, W.
Bertaux, J. -L.
Delfosse, X.
Mordasini, C.
Pepe, F.
Queloz, D.
Segransan, D.
[J]. ASTRONOMY & ASTROPHYSICS, 2009, 496 (02) : 527 - 531
[5] The HARPS search for southern extra-solar planets VII.: A very hot Jupiter orbiting HD 212301
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Sivan, JP
Udry, S
Bonfils, X
Delfosse, X
Mordasini, C
Fouqué, P
Olsen, EH
Pritchard, JD
[J]. ASTRONOMY & ASTROPHYSICS, 2006, 451 (01) : 345 - 350
[6] The HARPS search for southern extra-solar planets IX. Exoplanets orbiting HD 100777, HD 190647, and HD 221287
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Lo Curto, G.
Lovis, C.
Moutou, C.
Pepe, F.
Queloz, D.
Santos, N.C.
Udry, S.
[J]. Astronomy and Astrophysics, 2007, 470 (02): : 721 - 726
[7] The HARPS search for southern extra-solar planets* VII. A very hot Jupiter orbiting HD 212301
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Bouchy, F.
Lovis, C.
Moutou, C.
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Sivan, J.-P.
Udry, S.
Bonfils, X.
Delfosse, X.
Mordasini, C.
Fouqué, P.
Olsen, E.H.
Pritchard, J.D.
[J]. Astronomy and Astrophysics, 1600, 451 (01): : 345 - 350
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Mayor, M
Benz, W
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Lovis, C
Mordasini, C
Pepe, F
Queloz, D
Sivan, JP
[J]. ASTRONOMY & ASTROPHYSICS, 2006, 447 (01): : 361 - 367
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Adibekyan, V. Zh.
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Figueira, P.
Benamati, L.
Boisse, I.
Cunha, D.
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Queloz, D.
Santerne, A.
Segransan, D.
Sozzetti, A.
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Udry, S.
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Bouchy, F.
Lo Curto, G.
Lovis, C.
Moutou, C.
Pepe, F.
Queloz, D.
Santos, N. C.
Udry, S.
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