TY - JOUR
T1 - Radial velocity analysis of stars with debris discs
AU - Bisht, Deepak
AU - Jones, Hugh R. A.
N1 - © 2024 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/)
PY - 2024/11/1
Y1 - 2024/11/1
N2 - This study aims to identify potential exoplanet signals from nearby stars with resolved debris discs. However, the high activity of many stars with debris discs limits the detection of periodic signals. Our study is constrained to a sample of 29 stars that have appropriate radial velocity data and debris disc measurements sufficient to resolve their inclination. Our results confirm and update previous findings for exoplanets around HD 10647, HD 115617, HD 69830, GJ 581, HD 22049, and HD 142091, and we identify long-term activity signals around HD 207129 and HD 202628. We utilize the inclination angles of the debris discs, assuming co-planarity between debris disc and exoplanet orbit, to determine the 'disc-aligned' masses of radial velocity exoplanets in this study. The 'disc-aligned' masses of HD 69830 b, HD 69830 c, and 61 Vir b suggests that they may be classified as 'hot' or 'warm' Jupiters and so might be nearby examples of planets that have undergone recent type-II disc migration.
AB - This study aims to identify potential exoplanet signals from nearby stars with resolved debris discs. However, the high activity of many stars with debris discs limits the detection of periodic signals. Our study is constrained to a sample of 29 stars that have appropriate radial velocity data and debris disc measurements sufficient to resolve their inclination. Our results confirm and update previous findings for exoplanets around HD 10647, HD 115617, HD 69830, GJ 581, HD 22049, and HD 142091, and we identify long-term activity signals around HD 207129 and HD 202628. We utilize the inclination angles of the debris discs, assuming co-planarity between debris disc and exoplanet orbit, to determine the 'disc-aligned' masses of radial velocity exoplanets in this study. The 'disc-aligned' masses of HD 69830 b, HD 69830 c, and 61 Vir b suggests that they may be classified as 'hot' or 'warm' Jupiters and so might be nearby examples of planets that have undergone recent type-II disc migration.
KW - astro-ph.EP
KW - astro-ph.SR
KW - exoplanets
KW - planet-disc interactions
KW - planetary systems
KW - techniques: radial velocities
KW - circumstellar matter
UR - http://www.scopus.com/inward/record.url?scp=85207079412&partnerID=8YFLogxK
U2 - 10.1093/mnras/stae2223
DO - 10.1093/mnras/stae2223
M3 - Article
SN - 0035-8711
VL - 534
SP - 2105
EP - 2118
JO - Monthly Notices of the Royal Astronomical Society
JF - Monthly Notices of the Royal Astronomical Society
IS - 3
M1 - stae2223
ER -