A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N

M. Stalport; M. Cretignier; S. Udry; A. Anna John; T. G. Wilson; J. -B. Delisle; A. S. Bonomo; L. A. Buchhave; D. Charbonneau; S. Dalal; M. Damasso; L. Di Fabrizio; X. Dumusque; A. Fiorenzano; A. Harutyunyan; R. D. Haywood; D. W. Latham; M. López-Morales; V. Lorenzi; C. Lovis; L. Malavolta; E. Molinari; A. Mortier; M. Pedani; F. Pepe; M. Pinamonti; E. Poretti; K. Rice; A. Sozzetti

doi:10.1051/0004-6361/202346887

A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N

M. Stalport, M. Cretignier, S. Udry, A. Anna John, T. G. Wilson, J. -B. Delisle, A. S. Bonomo, L. A. Buchhave, D. Charbonneau, S. Dalal, M. Damasso, L. Di Fabrizio, X. Dumusque, A. Fiorenzano, A. Harutyunyan, R. D. Haywood, D. W. Latham, M. López-Morales, V. Lorenzi, C. LovisL. Malavolta, E. Molinari, A. Mortier, M. Pedani, F. Pepe, M. Pinamonti, E. Poretti, K. Rice, A. Sozzetti

Physics and Astronomy

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Abstract

Context. The Rocky Planet Search (RPS) program is dedicated to a blind radial velocity (RV) search of planets around bright stars inthe northern hemisphere, using the high-resolution echelle spectrograph HARPS-N installed on the Telescopio Nazionale Galileo(TNG).

Aims. The goal of this work is to revise and update the properties of three planetary systems by analysing the HARPS-N datawith state-of-the-art stellar activity mitigation tools. The stars considered are HD 99492 (83Leo B), HD 147379 (Gl617 A), andHD 190007.

Methods. We employ a systematic process of data modelling, which we selected from the comparison of different approaches.We use YARARA to remove instrumental systematics from the RV, and then use SPLEAF to further mitigate the stellar noise with amultidimensional correlated noise model. We also search for transit features in the Transiting Exoplanets Survey Satellite (TESS)data of these stars.

Results. We report on the discovery of a new planet around HD 99492, namely HD 99492 c, with an orbital period of 95.2 days anda minimum mass of m sini = 17.9 M_⊕, and refine the parameters of HD 99492 b. We also update and refine the Keplerian solutions for the planets around HD 147379 and HD 190007, but do not detect additional planetary signals. We discard the transitinggeometry for the planets, but stress that TESS did not exhaustively cover all the orbital phases.

Conclusions. The addition of the HARPS-N data, and the use of advanced data analysis tools, has allowed us to present a moreprecise view of these three planetary systems. It demonstrates once again the importance of long observational efforts such asthe RPS program. Added to the RV exoplanet sample, these planets populate two apparently distinct populations revealed by abimodality in the planets’ minimum mass distribution. The separation is located between 30 and 50 M_⊕.

Original language	English
Article number	A90
Number of pages	27
Journal	Astronomy and Astrophysics
Volume	678
DOIs	https://doi.org/10.1051/0004-6361/202346887
Publication status	Published - 10 Oct 2023

Bibliographical note

Acknowledgements:
This work is based on observations made with the Italian Telescopio Nazionale Galileo (TNG) operated by the Fundacion Galileo Galilei (FGG) of the Istituto Nazionale di Astrofisica (INAF) at the Observatorio del Roque de los Muchachos (La Palma, Canary Islands, Spain). The HARPS-N project was funded by the Prodex Program of the Swiss Space Office (SSO), the Harvard University Origin of Life Initiative (HUOLI), the Scottish Universities Physics Alliance (SUPA), the University of Geneva, the Smithsonian Astro-physical Observatory (SAO), the Italian National Astrophysical Institute (INAF), University of St. Andrews, Queen’s University Belfast, and University of Edinburgh. This work has been carried out within the framework of the National Centre of Competence in Research PlanetS supported by the Swiss National Science Foundation under grants 51NF40_182901 and 51NF40_205606. The authors acknowledge the financial support of the SNSF. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. M.C. acknowledges the SNSF support under grant P500PT_211024. R.D.H. is funded by the UK Science and Technology Facilities Council (STFC)’s Ernest Rutherford Fellowship (grant number ST/V004735/1). F.P.E. and C.L.O. would like to acknowledge the Swiss National Science Foundation (SNSF) for supporting research with HARPS-N through the SNSF grants nr. 140649, 152721, 166227 and 184618. The HARPS-N Instrument Project was partially funded through the Swiss ESA-PRODEX Programme. T.G.W. acknowledges support from STFC consolidated grant number ST/V000861/1 and UKSA grant number ST/R003203/1. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement SCORE No 851555). A.S. acknowledges financial support from the agreement ASI-INAF n.2018-16-HH.0. Finally, the authors thank the referee for their insightful comments and suggestions on the paper.

Keywords

Planets and satellites: detection
Techniques: radial velocities
Stars: individual: HD 99492, HD 147379, HD 190007
Stars: activity
Planetary systems

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Stalport, M., Cretignier, M., Udry, S., John, A. A., Wilson, T. G., Delisle, J. .-B., Bonomo, A. S., Buchhave, L. A., Charbonneau, D., Dalal, S., Damasso, M., Fabrizio, L. D., Dumusque, X., Fiorenzano, A., Harutyunyan, A., Haywood, R. D., Latham, D. W., López-Morales, M., Lorenzi, V., ... Sozzetti, A. (2023). A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N. Astronomy and Astrophysics, 678, Article A90. https://doi.org/10.1051/0004-6361/202346887

@article{46a526074578410c8815aa816230c07a,

title = "A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N",

abstract = "Context. The Rocky Planet Search (RPS) program is dedicated to a blind radial velocity (RV) search of planets around bright stars inthe northern hemisphere, using the high-resolution echelle spectrograph HARPS-N installed on the Telescopio Nazionale Galileo(TNG).Aims. The goal of this work is to revise and update the properties of three planetary systems by analysing the HARPS-N datawith state-of-the-art stellar activity mitigation tools. The stars considered are HD 99492 (83Leo B), HD 147379 (Gl617 A), andHD 190007.Methods. We employ a systematic process of data modelling, which we selected from the comparison of different approaches.We use YARARA to remove instrumental systematics from the RV, and then use SPLEAF to further mitigate the stellar noise with amultidimensional correlated noise model. We also search for transit features in the Transiting Exoplanets Survey Satellite (TESS)data of these stars.Results. We report on the discovery of a new planet around HD 99492, namely HD 99492 c, with an orbital period of 95.2 days anda minimum mass of m sini = 17.9 M⊕, and refine the parameters of HD 99492 b. We also update and refine the Keplerian solutions for the planets around HD 147379 and HD 190007, but do not detect additional planetary signals. We discard the transitinggeometry for the planets, but stress that TESS did not exhaustively cover all the orbital phases.Conclusions. The addition of the HARPS-N data, and the use of advanced data analysis tools, has allowed us to present a moreprecise view of these three planetary systems. It demonstrates once again the importance of long observational efforts such asthe RPS program. Added to the RV exoplanet sample, these planets populate two apparently distinct populations revealed by abimodality in the planets{\textquoteright} minimum mass distribution. The separation is located between 30 and 50 M⊕.",

keywords = "Planets and satellites: detection, Techniques: radial velocities, Stars: individual: HD 99492, HD 147379, HD 190007, Stars: activity, Planetary systems",

author = "M. Stalport and M. Cretignier and S. Udry and John, {A. Anna} and Wilson, {T. G.} and Delisle, {J. -B.} and Bonomo, {A. S.} and Buchhave, {L. A.} and D. Charbonneau and S. Dalal and M. Damasso and Fabrizio, {L. Di} and X. Dumusque and A. Fiorenzano and A. Harutyunyan and Haywood, {R. D.} and Latham, {D. W.} and M. L{\'o}pez-Morales and V. Lorenzi and C. Lovis and L. Malavolta and E. Molinari and A. Mortier and M. Pedani and F. Pepe and M. Pinamonti and E. Poretti and K. Rice and A. Sozzetti",

note = "Acknowledgements: This work is based on observations made with the Italian Telescopio Nazionale Galileo (TNG) operated by the Fundacion Galileo Galilei (FGG) of the Istituto Nazionale di Astrofisica (INAF) at the Observatorio del Roque de los Muchachos (La Palma, Canary Islands, Spain). The HARPS-N project was funded by the Prodex Program of the Swiss Space Office (SSO), the Harvard University Origin of Life Initiative (HUOLI), the Scottish Universities Physics Alliance (SUPA), the University of Geneva, the Smithsonian Astro-physical Observatory (SAO), the Italian National Astrophysical Institute (INAF), University of St. Andrews, Queen{\textquoteright}s University Belfast, and University of Edinburgh. This work has been carried out within the framework of the National Centre of Competence in Research PlanetS supported by the Swiss National Science Foundation under grants 51NF40_182901 and 51NF40_205606. The authors acknowledge the financial support of the SNSF. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. M.C. acknowledges the SNSF support under grant P500PT_211024. R.D.H. is funded by the UK Science and Technology Facilities Council (STFC){\textquoteright}s Ernest Rutherford Fellowship (grant number ST/V004735/1). F.P.E. and C.L.O. would like to acknowledge the Swiss National Science Foundation (SNSF) for supporting research with HARPS-N through the SNSF grants nr. 140649, 152721, 166227 and 184618. The HARPS-N Instrument Project was partially funded through the Swiss ESA-PRODEX Programme. T.G.W. acknowledges support from STFC consolidated grant number ST/V000861/1 and UKSA grant number ST/R003203/1. This project has received funding from the European Research Council (ERC) under the European Union{\textquoteright}s Horizon 2020 research and innovation programme (grant agreement SCORE No 851555). A.S. acknowledges financial support from the agreement ASI-INAF n.2018-16-HH.0. Finally, the authors thank the referee for their insightful comments and suggestions on the paper.",

year = "2023",

month = oct,

day = "10",

doi = "10.1051/0004-6361/202346887",

language = "English",

volume = "678",

journal = "Astronomy and Astrophysics",

issn = "0004-6361",

publisher = "EDP Sciences",

}

Stalport, M, Cretignier, M, Udry, S, John, AA, Wilson, TG, Delisle, J-B, Bonomo, AS, Buchhave, LA, Charbonneau, D, Dalal, S, Damasso, M, Fabrizio, LD, Dumusque, X, Fiorenzano, A, Harutyunyan, A, Haywood, RD, Latham, DW, López-Morales, M, Lorenzi, V, Lovis, C, Malavolta, L, Molinari, E, Mortier, A, Pedani, M, Pepe, F, Pinamonti, M, Poretti, E, Rice, K & Sozzetti, A 2023, 'A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N', Astronomy and Astrophysics, vol. 678, A90. https://doi.org/10.1051/0004-6361/202346887

TY - JOUR

T1 - A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N

AU - Stalport, M.

AU - Cretignier, M.

AU - Udry, S.

AU - John, A. Anna

AU - Wilson, T. G.

AU - Delisle, J. -B.

AU - Bonomo, A. S.

AU - Buchhave, L. A.

AU - Charbonneau, D.

AU - Dalal, S.

AU - Damasso, M.

AU - Fabrizio, L. Di

AU - Dumusque, X.

AU - Fiorenzano, A.

AU - Harutyunyan, A.

AU - Haywood, R. D.

AU - Latham, D. W.

AU - López-Morales, M.

AU - Lorenzi, V.

AU - Lovis, C.

AU - Malavolta, L.

AU - Molinari, E.

AU - Mortier, A.

AU - Pedani, M.

AU - Pepe, F.

AU - Pinamonti, M.

AU - Poretti, E.

AU - Rice, K.

AU - Sozzetti, A.

N1 - Acknowledgements: This work is based on observations made with the Italian Telescopio Nazionale Galileo (TNG) operated by the Fundacion Galileo Galilei (FGG) of the Istituto Nazionale di Astrofisica (INAF) at the Observatorio del Roque de los Muchachos (La Palma, Canary Islands, Spain). The HARPS-N project was funded by the Prodex Program of the Swiss Space Office (SSO), the Harvard University Origin of Life Initiative (HUOLI), the Scottish Universities Physics Alliance (SUPA), the University of Geneva, the Smithsonian Astro-physical Observatory (SAO), the Italian National Astrophysical Institute (INAF), University of St. Andrews, Queen’s University Belfast, and University of Edinburgh. This work has been carried out within the framework of the National Centre of Competence in Research PlanetS supported by the Swiss National Science Foundation under grants 51NF40_182901 and 51NF40_205606. The authors acknowledge the financial support of the SNSF. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. M.C. acknowledges the SNSF support under grant P500PT_211024. R.D.H. is funded by the UK Science and Technology Facilities Council (STFC)’s Ernest Rutherford Fellowship (grant number ST/V004735/1). F.P.E. and C.L.O. would like to acknowledge the Swiss National Science Foundation (SNSF) for supporting research with HARPS-N through the SNSF grants nr. 140649, 152721, 166227 and 184618. The HARPS-N Instrument Project was partially funded through the Swiss ESA-PRODEX Programme. T.G.W. acknowledges support from STFC consolidated grant number ST/V000861/1 and UKSA grant number ST/R003203/1. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement SCORE No 851555). A.S. acknowledges financial support from the agreement ASI-INAF n.2018-16-HH.0. Finally, the authors thank the referee for their insightful comments and suggestions on the paper.

PY - 2023/10/10

Y1 - 2023/10/10

N2 - Context. The Rocky Planet Search (RPS) program is dedicated to a blind radial velocity (RV) search of planets around bright stars inthe northern hemisphere, using the high-resolution echelle spectrograph HARPS-N installed on the Telescopio Nazionale Galileo(TNG).Aims. The goal of this work is to revise and update the properties of three planetary systems by analysing the HARPS-N datawith state-of-the-art stellar activity mitigation tools. The stars considered are HD 99492 (83Leo B), HD 147379 (Gl617 A), andHD 190007.Methods. We employ a systematic process of data modelling, which we selected from the comparison of different approaches.We use YARARA to remove instrumental systematics from the RV, and then use SPLEAF to further mitigate the stellar noise with amultidimensional correlated noise model. We also search for transit features in the Transiting Exoplanets Survey Satellite (TESS)data of these stars.Results. We report on the discovery of a new planet around HD 99492, namely HD 99492 c, with an orbital period of 95.2 days anda minimum mass of m sini = 17.9 M⊕, and refine the parameters of HD 99492 b. We also update and refine the Keplerian solutions for the planets around HD 147379 and HD 190007, but do not detect additional planetary signals. We discard the transitinggeometry for the planets, but stress that TESS did not exhaustively cover all the orbital phases.Conclusions. The addition of the HARPS-N data, and the use of advanced data analysis tools, has allowed us to present a moreprecise view of these three planetary systems. It demonstrates once again the importance of long observational efforts such asthe RPS program. Added to the RV exoplanet sample, these planets populate two apparently distinct populations revealed by abimodality in the planets’ minimum mass distribution. The separation is located between 30 and 50 M⊕.

AB - Context. The Rocky Planet Search (RPS) program is dedicated to a blind radial velocity (RV) search of planets around bright stars inthe northern hemisphere, using the high-resolution echelle spectrograph HARPS-N installed on the Telescopio Nazionale Galileo(TNG).Aims. The goal of this work is to revise and update the properties of three planetary systems by analysing the HARPS-N datawith state-of-the-art stellar activity mitigation tools. The stars considered are HD 99492 (83Leo B), HD 147379 (Gl617 A), andHD 190007.Methods. We employ a systematic process of data modelling, which we selected from the comparison of different approaches.We use YARARA to remove instrumental systematics from the RV, and then use SPLEAF to further mitigate the stellar noise with amultidimensional correlated noise model. We also search for transit features in the Transiting Exoplanets Survey Satellite (TESS)data of these stars.Results. We report on the discovery of a new planet around HD 99492, namely HD 99492 c, with an orbital period of 95.2 days anda minimum mass of m sini = 17.9 M⊕, and refine the parameters of HD 99492 b. We also update and refine the Keplerian solutions for the planets around HD 147379 and HD 190007, but do not detect additional planetary signals. We discard the transitinggeometry for the planets, but stress that TESS did not exhaustively cover all the orbital phases.Conclusions. The addition of the HARPS-N data, and the use of advanced data analysis tools, has allowed us to present a moreprecise view of these three planetary systems. It demonstrates once again the importance of long observational efforts such asthe RPS program. Added to the RV exoplanet sample, these planets populate two apparently distinct populations revealed by abimodality in the planets’ minimum mass distribution. The separation is located between 30 and 50 M⊕.

KW - Planets and satellites: detection

KW - Techniques: radial velocities

KW - Stars: individual: HD 99492, HD 147379, HD 190007

KW - Stars: activity

KW - Planetary systems

U2 - 10.1051/0004-6361/202346887

DO - 10.1051/0004-6361/202346887

M3 - Article

SN - 0004-6361

VL - 678

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

M1 - A90

ER -

A review of planetary systems around HD 99492, HD 147379 and HD 190007 with HARPS-N

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Bibliographical note

Keywords

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