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2019AJ....157..149L - Astron. J., 157, 149-149 (2019/April-0)
Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts.
LUHN J.K., BASTIEN F.A., WRIGHT J.T., JOHNSON J.A., HOWARD A.W. and ISAACSON H.
Abstract (from CDS):
We present the discovery of seven new planets and eight planet candidates around subgiant stars, as additions to the known sample of planets around "retired A stars." Among these are the possible first three-planet systems around subgiant stars, HD 163607 and HD 4917. Additionally, we present calculations of possible transit times, durations, depths, and probabilities for all known planets around subgiant (3< logg< 4) stars, focused on possible transits during the TESS mission. While most have transit probabilities of 1%-2%, we find that there are three planets with transit probabilities >9%.
Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.
Journal keyword(s): planets and satellites: detection - planets and satellites: fundamental parameters - techniques: radial velocities
VizieR on-line data: <Available at CDS (J/AJ/157/149): table2.dat table3.dat table4.dat table5.dat>
Simbad objects: 115
