NGTS-30b/TOI-4862b: An ~1 Gyr old 98-day transiting warm Jupiter

Home

All issues

Volume 686 (June 2024)

A&A, 686 (2024) A230

Full HTML

Open Access

Table 3

Final results for the exoplanet NGTS-30 b/TOI-4862 b.

Parameter	Value
Fitted parameters
Orbital period (days)	${98.29838}_{- 0.00009}^{+ 0.00010}$ ${98.29838_{ - 0.00009}^{ + 0.00010}}$
Time of transit T₀ (BJD days)	${2459287.6000}_{- 0.0014}^{+ 0.0013}$ $2459287.6000_{ - 0.0014}^{ + 0.0013}$
Impact parameter	${0.777}_{- 0.027}^{+ 0.021}$ ${0.777_{ - 0.027}^{ + 0.021}}$
Radius ratio R_p/R_★	${0.1045}_{- 0.0016}^{+ 0.0015}$ ${0.1045_{ - 0.0016}^{ + 0.0015}}$
TESS limb darkening q1	${0.480}_{- 0.081}^{+ 0.088}$ $0.480_{ - 0.081}^{ + 0.088}$
TESS limb darkening q2	${0.345}_{- 0.075}^{+ 0.083}$ ${0.345_{ - 0.075}^{ + 0.083}}$
NGTS limb darkening q1	${0.389}_{- 0.086}^{+ 0.082}$ ${0.389_{ - 0.086}^{ + 0.082}}$
NGTS limb darkening q2	${0.306}_{- 0.086}^{+ 0.084}$ $0.306_{ - 0.086}^{ + 0.084}$
Eccentricity	${0.294}_{- 0.010}^{+ 0.014}$ ${0.294_{ - 0.010}^{ + 0.014}}$
Argument of periastron (deg)	${3.4}_{- 5.8}^{+ 4.8}$ ${3.4_{ - 5.8}^{ + 4.8}}$
Stellar density (kg m⁻³)	$1458_{- 133}^{+ 157}$ ${1458_{ - 133}^{ + 157}}$
RV semi-amplitude (m s⁻¹)	${46.1}_{- 1.8}^{+ 1.8}$ ${46.1_{ - 1.8}^{ + 1.8}}$

Derived parameters
Planetary radius (R_j)	${0.928}_{- 0.032}^{+ 0.032}$ ${0.928_{ - 0.032}^{ + 0.032}}$
Planetary mass (M_J)	${0.960}_{- 0.056}^{+ 0.056}$ ${0.960_{ - 0.056}^{ + 0.056}}$
Inclination (deg)	${89.483}_{- 0.028}^{+ 0.028}$ ${89.483_{ - 0.028}^{ + 0.028}}$
Transit duration (h)	${6.13}_{- 0.27}^{+ 0.27}$ ${6.13_{ - 0.27}^{ + 0.27}}$
Semi-major axis (au)	${0.408}_{- 0.019}^{+ 0.019}$ ${0.408_{ - 0.019}^{ + 0.019}}$
Equilibrium temperature peri. (K)	$500_{- 84}^{+ 55}$ ${500_{ - 84}^{ + 55}}$
Equilibrium temperature apa. (K)	$274_{- 46}^{+ 30}$ ${274_{ - 46}^{ + 30}}$

Instrumental parameters
TESS offset (ppm)	$- 33_{- 17}^{+ 18}$ ${ - 33_{ - 17}^{ + 18}}$
TESS jitter (ppm)	${2.9}_{- 2.6}^{+ 24.8}$ ${2.9_{ - 2.6}^{ + 24.8}}$
NGTS offset (ppm)	$87_{- 19}^{+ 20}$ $87_{ - 19}^{ + 20}$
NGTS jitter (ppm)	$4600_{- 180}^{+ 178}$ ${4600_{ - 180}^{ + 178}}$
EulerCam offset (ppm)	$- 1568_{- 208}^{+ 209}$ ${ - 1568_{ - 208}^{ + 209}}$
EulerCam jitter (ppm)	$872_{- 73}^{+ 81}$ ${872_{ - 73}^{ + 81}}$
CORALIE offset (m s⁻¹)	${45576.5}_{- 7.3}^{+ 6.9}$ ${45576.5_{ - 7.3}^{ + 6.9}}$
CORALIE jitter (m s⁻¹)	${0.08}_{- 0.07}^{+ 1.70}$ ${0.08_{ - 0.07}^{ + 1.70}}$
FEROS offset (m s⁻¹)	${45558.1}_{- 5.5}^{+ 5.7}$ ${45558.1_{ - 5.5}^{ + 5.7}}$
FEROS jitter (m s⁻¹)	${14.0}_{- 4.5}^{+ 6.3}$ ${14.0_{ - 4.5}^{ + 6.3}}$
HARPS offset (m s⁻¹)	${45467.3}_{- 1.4}^{+ 1.5}$ ${45467.3_{ - 1.4}^{ + 1.5}}$
HARPS jitter (m s⁻¹)	${4.5}_{- 4.2}^{+ 2.4}$ ${4.5_{ - 4.2}^{ + 2.4}}$
PFS offset (m s⁻¹)	$- {13.6}_{- 0.9}^{+ 1.0}$ ${ - 13.6_{ - 0.9}^{ + 1.0}}$
PFS jitter (m s⁻¹)	${3.3}_{- 1.0}^{+ 1.4}$ ${3.3_{ - 1.0}^{ + 1.4}}$

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.