New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit

J. S.  Jenkins; Hugh Jones; Mikko Tuomi; M. Diaz; J. P.  Cordero; A. Aguayo; B.  Pantoja; P.  Arriagada; R. Mahu; R. Brahm; P. Rojo; M. G. Soto; O. Ivanyuk; N. Becerra Yoma; A. C. Day-Jones; M. T. Ruiz; Y. V. Pavlenko; J. R. Barnes; F. Murgas; David Pinfield; M. I.  Jones; M. Lopez-Morales; S. Shectman; R. P. Butler; D. Minniti

doi:10.1093/mnras/stw2811

New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit

J. S. Jenkins, Hugh Jones, Mikko Tuomi, M. Diaz, J. P. Cordero, A. Aguayo, B. Pantoja, P. Arriagada, R. Mahu, R. Brahm, P. Rojo, M. G. Soto, O. Ivanyuk, N. Becerra Yoma, A. C. Day-Jones, M. T. Ruiz, Y. V. Pavlenko, J. R. Barnes, F. Murgas, David PinfieldM. I. Jones, M. Lopez-Morales, S. Shectman, R. P. Butler, D. Minniti

Centre for Astrophysics Research (CAR)

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Abstract

We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and MIKE instruments as part of the Calan–Hertfordshire Extrasolar Planet Search. The planets have masses in the range 1.1–5.4 MJ's, orbital periods from 40 to 2900 d, and eccentricities from 0.0 to 0.6. They include a double-planet system orbiting the most massive star in our sample (HD147873), two eccentric giant planets (HD128356b and HD154672b), and a rare 14 Herculis analogue (HD224538b). We highlight some population correlations from the sample of radial velocity detected planets orbiting nearby stars, including the mass function exponential distribution, confirmation of the growing body of evidence that low-mass planets tend to be found orbiting more metal-poor stars than giant planets, and a possible period–metallicity correlation for planets with masses >0.1 MJ, based on a metallicity difference of 0.16 dex between the population of planets with orbital periods less than 100 d and those with orbital periods greater than 100 d.

Original language	English
Pages (from-to)	443-473
Number of pages	30
Journal	Monthly Notices of the Royal Astronomical Society
Volume	466
Issue number	1
Early online date	2 Nov 2016
DOIs	https://doi.org/10.1093/mnras/stw2811
Publication status	Published - 1 Apr 2017

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http://arxiv.org/abs/1603.09391

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Jenkins, J. S., Jones, H., Tuomi, M., Diaz, M., Cordero, J. P., Aguayo, A., Pantoja, B., Arriagada, P., Mahu, R., Brahm, R., Rojo, P., Soto, M. G., Ivanyuk, O., Becerra Yoma, N., Day-Jones, A. C., Ruiz, M. T., Pavlenko, Y. V., Barnes, J. R., Murgas, F., ... Minniti, D. (2017). New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit. Monthly Notices of the Royal Astronomical Society, 466(1), 443-473. https://doi.org/10.1093/mnras/stw2811

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title = "New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit",

abstract = "We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and MIKE instruments as part of the Calan–Hertfordshire Extrasolar Planet Search. The planets have masses in the range 1.1–5.4 MJ's, orbital periods from 40 to 2900 d, and eccentricities from 0.0 to 0.6. They include a double-planet system orbiting the most massive star in our sample (HD147873), two eccentric giant planets (HD128356b and HD154672b), and a rare 14 Herculis analogue (HD224538b). We highlight some population correlations from the sample of radial velocity detected planets orbiting nearby stars, including the mass function exponential distribution, confirmation of the growing body of evidence that low-mass planets tend to be found orbiting more metal-poor stars than giant planets, and a possible period–metallicity correlation for planets with masses >0.1 MJ, based on a metallicity difference of 0.16 dex between the population of planets with orbital periods less than 100 d and those with orbital periods greater than 100 d.",

author = "Jenkins, {J. S.} and Hugh Jones and Mikko Tuomi and M. Diaz and Cordero, {J. P.} and A. Aguayo and B. Pantoja and P. Arriagada and R. Mahu and R. Brahm and P. Rojo and Soto, {M. G.} and O. Ivanyuk and {Becerra Yoma}, N. and Day-Jones, {A. C.} and Ruiz, {M. T.} and Pavlenko, {Y. V.} and Barnes, {J. R.} and F. Murgas and David Pinfield and Jones, {M. I.} and M. Lopez-Morales and S. Shectman and Butler, {R. P.} and D. Minniti",

note = "This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. {\textcopyright}: 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.",

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Jenkins, JS, Jones, H, Tuomi, M, Diaz, M, Cordero, JP, Aguayo, A, Pantoja, B, Arriagada, P, Mahu, R, Brahm, R, Rojo, P, Soto, MG, Ivanyuk, O, Becerra Yoma, N, Day-Jones, AC, Ruiz, MT, Pavlenko, YV, Barnes, JR, Murgas, F, Pinfield, D, Jones, MI, Lopez-Morales, M, Shectman, S, Butler, RP & Minniti, D 2017, 'New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit', Monthly Notices of the Royal Astronomical Society, vol. 466, no. 1, pp. 443-473. https://doi.org/10.1093/mnras/stw2811

TY - JOUR

T1 - New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit

AU - Jenkins, J. S.

AU - Jones, Hugh

AU - Tuomi, Mikko

AU - Diaz, M.

AU - Cordero, J. P.

AU - Aguayo, A.

AU - Pantoja, B.

AU - Arriagada, P.

AU - Mahu, R.

AU - Brahm, R.

AU - Rojo, P.

AU - Soto, M. G.

AU - Ivanyuk, O.

AU - Becerra Yoma, N.

AU - Day-Jones, A. C.

AU - Ruiz, M. T.

AU - Pavlenko, Y. V.

AU - Barnes, J. R.

AU - Murgas, F.

AU - Pinfield, David

AU - Jones, M. I.

AU - Lopez-Morales, M.

AU - Shectman, S.

AU - Butler, R. P.

AU - Minniti, D.

N1 - This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. ©: 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

PY - 2017/4/1

Y1 - 2017/4/1

N2 - We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and MIKE instruments as part of the Calan–Hertfordshire Extrasolar Planet Search. The planets have masses in the range 1.1–5.4 MJ's, orbital periods from 40 to 2900 d, and eccentricities from 0.0 to 0.6. They include a double-planet system orbiting the most massive star in our sample (HD147873), two eccentric giant planets (HD128356b and HD154672b), and a rare 14 Herculis analogue (HD224538b). We highlight some population correlations from the sample of radial velocity detected planets orbiting nearby stars, including the mass function exponential distribution, confirmation of the growing body of evidence that low-mass planets tend to be found orbiting more metal-poor stars than giant planets, and a possible period–metallicity correlation for planets with masses >0.1 MJ, based on a metallicity difference of 0.16 dex between the population of planets with orbital periods less than 100 d and those with orbital periods greater than 100 d.

AB - We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and MIKE instruments as part of the Calan–Hertfordshire Extrasolar Planet Search. The planets have masses in the range 1.1–5.4 MJ's, orbital periods from 40 to 2900 d, and eccentricities from 0.0 to 0.6. They include a double-planet system orbiting the most massive star in our sample (HD147873), two eccentric giant planets (HD128356b and HD154672b), and a rare 14 Herculis analogue (HD224538b). We highlight some population correlations from the sample of radial velocity detected planets orbiting nearby stars, including the mass function exponential distribution, confirmation of the growing body of evidence that low-mass planets tend to be found orbiting more metal-poor stars than giant planets, and a possible period–metallicity correlation for planets with masses >0.1 MJ, based on a metallicity difference of 0.16 dex between the population of planets with orbital periods less than 100 d and those with orbital periods greater than 100 d.

U2 - 10.1093/mnras/stw2811

DO - 10.1093/mnras/stw2811

M3 - Article

SN - 0035-8711

VL - 466

SP - 443

EP - 473

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 1

ER -

New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search and the Core Accretion Mass Limit

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