DREAM - I. Orbital architecture orrery | Astronomy & Astrophysics (A&A)

Home

All issues

Volume 669 (January 2023)

A&A, 669 (2023) A63

Full HTML

Press Release

Open Access

Table C.14

Properties of the WASP-166 system

Parameter	Symbol	Value	Unit	Origin
Stellar parameters

Spectral type		F9		Hellier et al. (2019)
Stellar temperature	T_eff	6050 ± 50	K	Hellier et al. (2019)
Stellar radius	R_*	1.22 ± 0.06	R_⊙	Hellier et al. (2019)
Stellar spin inclination	i_*	${87.9}_{- 19.3}^{+ 22.9}$ $87.9_{ - 19.3}^{ + 22.9}$	deg	This work
Stellar equatorial period	P_eq	12.3 ± 1.9	d	Hellier et al. (2019)
Stellar projected velocity	v_eq sin i_*	5.4 ± 0.14	km s⁻¹	This work
Age	τ	2.1 ± 0.9	Gyr	Hellier et al. (2019)
Limb-darkening coefficients	u₁	0.416		Exofast
	u₁	0.287

Planet b parameters

Orbital period	P	${5.4435402}_{- 0.0000030}^{+ 0.0000027}$ $5.4435402_{ - 0.0000030}^{ + 0.0000027}$	d	Bryant et al. (2020)
Transit epoch	T₀	${2458540.739389}_{- 0.000670}^{+ 0.000721}$ $2458540.739389_{ - 0.000670}^{ + 0.000721}$	BJD_tdb	Bryant et al. (2020)
Eccentricity	e	0.0 (fixed)		Hellier et al. (2019)
Argument of periastron	ω	—	deg	Hellier et al. (2019)
Stellar reflex velocity	K	10.4 ± 0.4	m s⁻¹	Hellier et al. (2019)
Scaled separation	a/R_*	${11.14}_{- 0.50}^{+ 0.42}$ $11.14_{ - 0.50}^{ + 0.42}$		Bryant et al. (2020)
Orbital inclination	i	${87.95}_{- 0.59}^{+ 0.62}$ $87.95_{ - 0.59}^{ + 0.62}$	deg	Bryant et al. (2020)
Impact parameter	b	${0.398}_{- 0.111}^{+ 0.093}$ $0.398_{ - 0.111}^{ + 0.093}$		Bryant et al. (2020)
Transit duration	T₁₄	3.600 ± 0.024	h	Hellier et al. (2019)
Planet-to-star radius ratio	R_p/R_*	0.0515 ± 0.0011		Bryant et al. (2020)
Projected spin-orbit angle	λ	−0.7 ± 1.6	deg	This work
3D spin-orbit angle	ψ^†	<22.0 (1σ)	deg	This work
		<56.2 (3σ)

^† WASP-166 is seen edge-on with λ ~0 °, so that ψ_N ≡ ψ_S

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.