Seven new triply eclipsing triple star systems | Astronomy & Astrophysics (A&A)

Home

All issues

Volume 686 (June 2024)

A&A, 686 (2024) A27

Full HTML

Open Access

Table 8.

Orbital and astrophysical parameters of TIC 321978218 from the joint photodynamical light curve, ETV, SED and PARSEC isochrone solution.

TIC 321978218

Orbital elements

	Subsystem
	Aa–Ab		A–B	AB–C
t₀ [BJD – 2 400 000]	58 354.0
P [days]	$0 . 570267_{- 0.000025}^{+ 0.000041}$ $0.570267_{-0.000025}^{+0.000041}$		$57 . 53549_{- 0.00020}^{+ 0.00020}$ $57.53549_{-0.00020}^{+0.00020}$	$4395_{- 84}^{+ 52}$ $4395_{-84}^{+52}$
a [R_⊙]	$3 . 473_{- 0.011}^{+ 0.009}$ $3.473_{-0.011}^{+0.009}$		$92 . 46_{- 0.37}^{+ 0.36}$ $92.46_{-0.37}^{+0.36}$	$1691_{- 19}^{+ 18}$ $1691_{-19}^{+18}$
e	$0 . 00100_{- 0.00027}^{+ 0.00043}$ $0.00100_{-0.00027}^{+0.00043}$		$0 . 2583_{- 0.0016}^{+ 0.0016}$ $0.2583_{-0.0016}^{+0.0016}$	$0 . 374_{- 0.033}^{+ 0.049}$ $0.374_{-0.033}^{+0.049}$
ω [deg]	$140_{- 53}^{+ 22}$ $140_{-53}^{+22}$		$122 . 56_{- 0.27}^{+ 0.28}$ $122.56_{-0.27}^{+0.28}$	$68 . 9_{- 4.3}^{+ 3.1}$ $68.9_{-4.3}^{+3.1}$
i [deg]	$87 . 96_{- 1.02}^{+ 0.37}$ $87.96_{-1.02}^{+0.37}$		$90 . 000_{- 0.069}^{+ 0.089}$ $90.000_{-0.069}^{+0.089}$	$95 . 5_{- 6.6}^{+ 9.2}$ $95.5_{-6.6}^{+9.2}$
$T_{0}^{inf/sup}$ $\mathcal{T}_0^{\rm inf/sup}$ [BJD - 2 400 000]	$58 354 . 2542_{- 0.0003}^{+ 0.0002}$ $58\,354.2542_{-0.0003}^{+0.0002}$		${59 072 . 6568_{- 0.0031}^{+ 0.0033}}^{()}$ ${59\,072.6568_{-0.0031}^{+0.0033}}^{()}$	...
τ [BJD – 2 400 000]	$58 354 . 061_{- 0.077}^{+ 0.040}$ $58\,354.061_{-0.077}^{+0.040}$		$59 018 . 153_{- 0.071}^{+ 0.037}$ $59\,018.153_{-0.071}^{+0.037}$	$56 799_{- 24}^{+ 13}$ $56\,799_{-24}^{+13}$
Ω [deg]	0.0		$0 . 06_{- 0.57}^{+ 0.79}$ $0.06_{-0.57}^{+0.79}$	$- 2 . 2_{- 7.2}^{+ 7.3}$ $-2.2_{-7.2}^{+7.3}$
(i_mut)_{A − AB, A − C} [deg]	$2 . 17_{- 0.40}^{+ 1.08}$ $2.17_{-0.40}^{+1.08}$			$11 . 3_{- 5.4}^{+ 7.0}$ $11.3_{-5.4}^{+7.0}$
(i_mut)_AB − C [deg]	...		$9 . 9_{- 4.9}^{+ 6.5}$ $9.9_{-4.9}^{+6.5}$
ϖ^dyn [deg]	$320_{- 53}^{+ 22}$ $320_{-53}^{+22}$		$302 . 53_{- 0.30}^{+ 0.29}$ $302.53_{-0.30}^{+0.29}$	$249 . 2_{- 4.4}^{+ 3.1}$ $249.2_{-4.4}^{+3.1}$
i^dyn [deg]	$5 . 7_{- 2.4}^{+ 3.3}$ $5.7_{-2.4}^{+3.3}$		$4 . 2_{- 2.1}^{+ 2.8}$ $4.2_{-2.1}^{+2.8}$	$5 . 7_{- 2.9}^{+ 3.7}$ $5.7_{-2.9}^{+3.7}$
Ω^dyn [deg]	$350_{- 33}^{+ 54}$ $350_{-33}^{+54}$		$338_{- 62}^{+ 68}$ $338_{-62}^{+68}$	$159_{- 57}^{+ 68}$ $159_{-57}^{+68}$
i_inv [deg]	$92 . 3_{- 2.8}^{+ 4.0}$ $92.3_{-2.8}^{+4.0}$
Ω_inv [deg]	$- 0 . 9_{- 3.2}^{+ 3.3}$ $-0.9_{-3.2}^{+3.3}$

Mass ratio [q = M_sec/M_pri]	$0 . 782_{- 0.015}^{+ 0.018}$ $0.782_{-0.015}^{+0.018}$		$0 . 853_{- 0.007}^{+ 0.008}$ $0.853_{-0.007}^{+0.008}$	$0 . 052_{- 0.005}^{+ 0.006}$ $0.052_{-0.005}^{+0.006}$
K_pri [km s⁻¹]	$135 . 10_{- 1.21}^{+ 1.54}$ $135.10_{-1.21}^{+1.54}$		$38 . 76_{- 0.31}^{+ 0.34}$ $38.76_{-0.31}^{+0.34}$	$1 . 02_{- 0.10}^{+ 0.11}$ $1.02_{-0.10}^{+0.11}$
K_sec [km s⁻¹]	$172 . 85_{- 2.15}^{+ 1.79}$ $172.85_{-2.15}^{+1.79}$		$45 . 42_{- 0.10}^{+ 0.09}$ $45.42_{-0.10}^{+0.09}$	$19 . 80_{- 0.53}^{+ 0.49}$ $19.80_{-0.53}^{+0.49}$
V_γ [km s⁻¹]	$1 . 707_{- 0.045}^{+ 0.044}$ $1.707_{-0.045}^{+0.044}$

Apsidal and nodal motion related parameters

P_apse [year]	$0 . 88_{- 0.07}^{+ 0.05}$ $0.88_{-0.07}^{+0.05}$		$526 . 9_{- 2.6}^{+ 2.4}$ $526.9_{-2.6}^{+2.4}$	$1004_{- 84}^{+ 1138}$ $1004_{-84}^{+1138}$
$P_{apse}^{dyn}$ $P_{\mathrm{apse}}^{\mathrm{dyn}}$ [year]	$0 . 86_{- 0.07}^{+ 0.05}$ $0.86_{-0.07}^{+0.05}$		$35 . 81_{- 0.15}^{+ 0.14}$ $35.81_{-0.15}^{+0.14}$	$38 . 43_{- 0.18}^{+ 0.19}$ $38.43_{-0.18}^{+0.19}$
$P_{node}^{dyn}$ $P_{\mathrm{node}}^{\mathrm{dyn}}$ [year]	$38 . 28_{- 0.22}^{+ 0.23}$ $38.28_{-0.22}^{+0.23}$
Δω_3b [arcsec cycle⁻¹]	$101 . 25_{- 0.54}^{+ 0.49}$ $101.25_{-0.54}^{+0.49}$		$5700_{- 22}^{+ 25}$ $5700_{-22}^{+25}$	$40 5544_{- 7670}^{+ 6085}$ $40\,5544_{-7670}^{+6085}$
Δω_GR [arcsec cycle⁻¹]	$4 . 111_{- 0.026}^{+ 0.022}$ $4.111_{-0.026}^{+0.022}$		$0 . 307_{- 0.003}^{+ 0.002}$ $0.307_{-0.003}^{+0.002}$	$0 . 0192_{- 0.0006}^{+ 0.0008}$ $0.0192_{-0.0006}^{+0.0008}$
Δω_tide [arcsec cycle⁻¹]	$2251_{- 119}^{+ 197}$ $2251_{-119}^{+197}$		$0 . 450_{- 0.025}^{+ 0.038}$ $0.450_{-0.025}^{+0.038}$	$0 . 0016_{- 0.0001}^{+ 0.0001}$ $0.0016_{-0.0001}^{+0.0001}$

Stellar parameters

	Aa	Ab	B	C

Relative quantities

Fractional radius [R/a]	$0 . 2888_{- 0.0035}^{+ 0.0041}$ $0.2888_{-0.0035}^{+0.0041}$	$0 . 2370_{- 0.0027}^{+ 0.0055}$ $0.2370_{-0.0027}^{+0.0055}$	$0 . 0211_{- 0.0003}^{+ 0.0003}$ $0.0211_{-0.0003}^{+0.0003}$	$0 . 00029_{- 0.00001}^{+ 0.00001}$ $0.00029_{-0.00001}^{+0.00001}$
Temperature relative to (T_eff)_Aa	1	$0 . 8522_{- 0.0073}^{+ 0.0075}$ $0.8522_{-0.0073}^{+0.0075}$	$1 . 2755_{- 0.0093}^{+ 0.0095}$ $1.2755_{-0.0093}^{+0.0095}$	$0 . 5596_{- 0.0156}^{+ 0.0148}$ $0.5596_{-0.0156}^{+0.0148}$
Fractional flux [in TESS-band]	$0 . 0764_{- 0.0019}^{+ 0.0019}$ $0.0764_{-0.0019}^{+0.0019}$	$0 . 0252_{- 0.0011}^{+ 0.0012}$ $0.0252_{-0.0011}^{+0.0012}$	$0 . 6998_{- 0.0199}^{+ 0.0169}$ $0.6998_{-0.0199}^{+0.0169}$	$0 . 0009_{- 0.0002}^{+ 0.0003}$ $0.0009_{-0.0002}^{+0.0003}$
Fractional flux [in SWASP-band]	$0 . 0672_{- 0.0032}^{+ 0.0030}$ $0.0672_{-0.0032}^{+0.0030}$	$0 . 0169_{- 0.0013}^{+ 0.0013}$ $0.0169_{-0.0013}^{+0.0013}$	$0 . 8795_{- 0.0403}^{+ 0.0254}$ $0.8795_{-0.0403}^{+0.0254}$	$0 . 0004_{- 0.0001}^{+ 0.0001}$ $0.0004_{-0.0001}^{+0.0001}$

Physical quantities

M [M_⊙]	$0 . 970_{- 0.018}^{+ 0.013}$ $0.970_{-0.018}^{+0.013}$	$0 . 757_{- 0.006}^{+ 0.009}$ $0.757_{-0.006}^{+0.009}$	$1 . 473_{- 0.023}^{+ 0.025}$ $1.473_{-0.023}^{+0.025}$	$0 . 165_{- 0.016}^{+ 0.018}$ $0.165_{-0.016}^{+0.018}$
R [R_⊙]	$1 . 003_{- 0.013}^{+ 0.014}$ $1.003_{-0.013}^{+0.014}$	$0 . 824_{- 0.009}^{+ 0.017}$ $0.824_{-0.009}^{+0.017}$	$1 . 949_{- 0.031}^{+ 0.027}$ $1.949_{-0.031}^{+0.027}$	$0 . 492_{- 0.025}^{+ 0.024}$ $0.492_{-0.025}^{+0.024}$
T_eff [K]	$4969_{- 48}^{+ 83}$ $4969_{-48}^{+83}$	$4242_{- 53}^{+ 63}$ $4242_{-53}^{+63}$	$6326_{- 59}^{+ 147}$ $6326_{-59}^{+147}$	$2791_{- 95}^{+ 78}$ $2791_{-95}^{+78}$
L_bol [L_⊙]	$0 . 553_{- 0.025}^{+ 0.035}$ $0.553_{-0.025}^{+0.035}$	$0 . 198_{- 0.014}^{+ 0.017}$ $0.198_{-0.014}^{+0.017}$	$5 . 46_{- 0.24}^{+ 0.45}$ $5.46_{-0.24}^{+0.45}$	$0 . 013_{- 0.002}^{+ 0.003}$ $0.013_{-0.002}^{+0.003}$
M_bol	$5 . 41_{- 0.07}^{+ 0.05}$ $5.41_{-0.07}^{+0.05}$	$6 . 53_{- 0.09}^{+ 0.08}$ $6.53_{-0.09}^{+0.08}$	$2 . 93_{- 0.09}^{+ 0.05}$ $2.93_{-0.09}^{+0.05}$	$9 . 47_{- 0.20}^{+ 0.23}$ $9.47_{-0.20}^{+0.23}$
M_V	$5 . 71_{- 0.11}^{+ 0.07}$ $5.71_{-0.11}^{+0.07}$	$7 . 36_{- 0.15}^{+ 0.15}$ $7.36_{-0.15}^{+0.15}$	$2 . 92_{- 0.09}^{+ 0.05}$ $2.92_{-0.09}^{+0.05}$	$13 . 08_{- 0.53}^{+ 0.65}$ $13.08_{-0.53}^{+0.65}$
log g [dex]	$4 . 421_{- 0.013}^{+ 0.009}$ $4.421_{-0.013}^{+0.009}$	$4 . 485_{- 0.019}^{+ 0.011}$ $4.485_{-0.019}^{+0.011}$	$4 . 026_{- 0.011}^{+ 0.011}$ $4.026_{-0.011}^{+0.011}$	$4 . 269_{- 0.016}^{+ 0.018}$ $4.269_{-0.016}^{+0.018}$

Global system parameters

log(age) [dex]	$7 . 326_{- 0.049}^{+ 0.030}$ $7.326_{-0.049}^{+0.030}$		$7 . 046_{- 0.033}^{+ 0.024}$ $7.046_{-0.033}^{+0.024}$	$7 . 326_{- 0.049}^{+ 0.030}$ $7.326_{-0.049}^{+0.030}$
[M/H] [dex]	$- 0 . 003_{- 0.102}^{+ 0.118}$ $-0.003_{-0.102}^{+0.118}$
E(B − V) [mag]	$0 . 015_{- 0.011}^{+ 0.032}$ $0.015_{-0.011}^{+0.032}$
Extra light ℓ₄ [in TESS-band]	$0 . 197_{- 0.017}^{+ 0.021}$ $0.197_{-0.017}^{+0.021}$
Extra light ℓ₄ [in SWASP-band]	$0 . 035_{- 0.028}^{+ 0.045}$ $0.035_{-0.028}^{+0.045}$
(M_V)_tot	$2 . 82_{- 0.09}^{+ 0.05}$ $2.82_{-0.09}^{+0.05}$
Distance [pc]	$636_{- 9}^{+ 10}$ $636_{-9}^{+10}$

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.