2020
DOI: 10.3847/1538-3881/abba30
|View full text |Cite
|
Sign up to set email alerts
|

Dynamical Mass Estimates of the β Pictoris Planetary System through Gaussian Process Stellar Activity Modeling

Abstract: Nearly 15 yr of radial velocity (RV) monitoring and direct imaging enabled the detection of two giant planets orbiting the young, nearby star β Pictoris. The δ Scuti pulsations of the star, which overwhelm planetary signals, need to be carefully suppressed. In this work, we independently revisit the analysis of the RV data following a different approach than available in the literature to model the activity of the star. We show that a Gaussian process (GP) with a stochastically driven damped harmonic oscillato… Show more

Help me understand this report
View preprint versions

Search citation statements

Order By: Relevance

Paper Sections

Select...
3
1
1

Citation Types

5
9
0

Year Published

2021
2021
2024
2024

Publication Types

Select...
5

Relationship

1
4

Authors

Journals

citations
Cited by 12 publications
(14 citation statements)
references
References 61 publications
5
9
0
Order By: Relevance
“…In addition to the detection of β Pictoris c, we also determined its mass, obtaining 10.04 +4.53 −3.10 M Jup . The estimate is slightly high, although it is still consistent with previous mass derivations (Lagrange et al 2019;Vandal et al 2020;Brandt et al 2021a). The eccentricity was also determined, but with large uncertainties: e c = 0.90 +0.08 −0.26 .…”
Section: Detection Of β Pic C "With the Point Of [A] Pen"supporting
confidence: 91%
See 4 more Smart Citations
“…In addition to the detection of β Pictoris c, we also determined its mass, obtaining 10.04 +4.53 −3.10 M Jup . The estimate is slightly high, although it is still consistent with previous mass derivations (Lagrange et al 2019;Vandal et al 2020;Brandt et al 2021a). The eccentricity was also determined, but with large uncertainties: e c = 0.90 +0.08 −0.26 .…”
Section: Detection Of β Pic C "With the Point Of [A] Pen"supporting
confidence: 91%
“…The mass estimate of β Pictoris c is still within the previous fit uncertainties, at 8.89 +0.75 −0.75 M Jup , and we estimate a mass of 11.90 +2.93 −3.04 M Jup for β Pictoris b. Both component masses agree well with the latest dynamical mass estimates (Vandal et al 2020;Brandt et al 2021a). The two masses are also in very good agreement with a hot-core accretion scenario (Mordasini 2013), as proposed by Nowak et al (2020).…”
Section: Refined Masses and Orbits Of β Pic B And Csupporting
confidence: 86%
See 3 more Smart Citations