Table 3.

Binary parameters for WASP 1021-28.

ParameterÇakirli et al. (2024)This Paper
 Primary (A)Secondary (B)Primary (A)Secondary (B)
|$T_0$| (BJD)2458 544.6430(3)2458 545.093506(75)
|$P_{\rm orb}$| (d)0.9008982(3)0.900898230(62)
i (deg)85.19(4)83.216(85)
|$T_{\rm eff}$| (K)7600(50)10 251(200)7411(40)9965(70)
|$\Omega$|2.995(1)3.220(2)2.886(21)2.958(31)
|$\Omega _{\rm in}$||$\rm ^a$|2.0072.010
F1.01.00.890(42)1.0
x, y0.337|$\rm ^b$|0.292|$\rm ^b$|0.522, 0.2610.410, 0.199
|$l/(l_{\rm A}+l_{\rm B}+l_3)$|0.806(1)0.0740.8980(22)0.0729
|$l_3$||$\rm ^c$|0.120(1)0.0291(20)
r (pole)0.3602(27)0.0770(18)
r (point)0.3729(31)0.0776(19)
r (side)0.3681(30)0.0771(18)
r (back)0.3708(31)0.0776(19)
r (volume)|$\rm ^d$|0.3562(1)0.07830(7)0.3665(30)0.0772(19)
Spectroscopic orbits:
|$T_0$| (BJD)...2,456,983.8361(22)
a (R|$_\odot$|⁠)4.646(13)4.764(15)
|$\gamma$| (km s|$^{-1}$|⁠)5(2)6.98(23)
K (km s|$^{-1}$|⁠)27(3)233(7)27.82(32)237.95(76)
q0.116(15)0.1169(14)
Absolute dimensions:
M (⁠|$M_\odot$|⁠)1.48(13)0.17(3)1.602(11)0.187(2)
R (⁠|$R_\odot$|⁠)1.65(5)0.36(1)1.746(15)0.368(9)
|$\log$|  g (cgs)4.17(1)4.55(5)4.159(8)4.580(22)
|$\rho$| (⁠|$\rho _\odot$|⁠)0.302(8)3.78(29)
|$v_{\rm sync}$| (km s|$^{-1}$|⁠)93(3)20.5(6)98.02(86)20.65(51)
v|$\sin$|i (km s|$^{-1}$|⁠)82(2)26(4)86.6(4.0)
|$\log$|  L (⁠|$L_\odot$|⁠)0.91(5)0.12(4)0.915(12)0.077(25)
|$M_{\rm bol}$| (mag)2.46(13)4.45(10)2.442(30)4.538(62)
BC (mag)0.035(1)–0.242(15)
|$M_{\rm V}$| (mag)2.407(30)4.780(64)
Distance (pc)513(19)558(9)
ParameterÇakirli et al. (2024)This Paper
 Primary (A)Secondary (B)Primary (A)Secondary (B)
|$T_0$| (BJD)2458 544.6430(3)2458 545.093506(75)
|$P_{\rm orb}$| (d)0.9008982(3)0.900898230(62)
i (deg)85.19(4)83.216(85)
|$T_{\rm eff}$| (K)7600(50)10 251(200)7411(40)9965(70)
|$\Omega$|2.995(1)3.220(2)2.886(21)2.958(31)
|$\Omega _{\rm in}$||$\rm ^a$|2.0072.010
F1.01.00.890(42)1.0
x, y0.337|$\rm ^b$|0.292|$\rm ^b$|0.522, 0.2610.410, 0.199
|$l/(l_{\rm A}+l_{\rm B}+l_3)$|0.806(1)0.0740.8980(22)0.0729
|$l_3$||$\rm ^c$|0.120(1)0.0291(20)
r (pole)0.3602(27)0.0770(18)
r (point)0.3729(31)0.0776(19)
r (side)0.3681(30)0.0771(18)
r (back)0.3708(31)0.0776(19)
r (volume)|$\rm ^d$|0.3562(1)0.07830(7)0.3665(30)0.0772(19)
Spectroscopic orbits:
|$T_0$| (BJD)...2,456,983.8361(22)
a (R|$_\odot$|⁠)4.646(13)4.764(15)
|$\gamma$| (km s|$^{-1}$|⁠)5(2)6.98(23)
K (km s|$^{-1}$|⁠)27(3)233(7)27.82(32)237.95(76)
q0.116(15)0.1169(14)
Absolute dimensions:
M (⁠|$M_\odot$|⁠)1.48(13)0.17(3)1.602(11)0.187(2)
R (⁠|$R_\odot$|⁠)1.65(5)0.36(1)1.746(15)0.368(9)
|$\log$|  g (cgs)4.17(1)4.55(5)4.159(8)4.580(22)
|$\rho$| (⁠|$\rho _\odot$|⁠)0.302(8)3.78(29)
|$v_{\rm sync}$| (km s|$^{-1}$|⁠)93(3)20.5(6)98.02(86)20.65(51)
v|$\sin$|i (km s|$^{-1}$|⁠)82(2)26(4)86.6(4.0)
|$\log$|  L (⁠|$L_\odot$|⁠)0.91(5)0.12(4)0.915(12)0.077(25)
|$M_{\rm bol}$| (mag)2.46(13)4.45(10)2.442(30)4.538(62)
BC (mag)0.035(1)–0.242(15)
|$M_{\rm V}$| (mag)2.407(30)4.780(64)
Distance (pc)513(19)558(9)

aPotential for the inner critical Roche surface.

|$^b$|Linear limb-darkening law was used.

|$^c$|Value at 0.25 orbital phase.

|$^d$|Mean volume radius.

Table 3.

Binary parameters for WASP 1021-28.

ParameterÇakirli et al. (2024)This Paper
 Primary (A)Secondary (B)Primary (A)Secondary (B)
|$T_0$| (BJD)2458 544.6430(3)2458 545.093506(75)
|$P_{\rm orb}$| (d)0.9008982(3)0.900898230(62)
i (deg)85.19(4)83.216(85)
|$T_{\rm eff}$| (K)7600(50)10 251(200)7411(40)9965(70)
|$\Omega$|2.995(1)3.220(2)2.886(21)2.958(31)
|$\Omega _{\rm in}$||$\rm ^a$|2.0072.010
F1.01.00.890(42)1.0
x, y0.337|$\rm ^b$|0.292|$\rm ^b$|0.522, 0.2610.410, 0.199
|$l/(l_{\rm A}+l_{\rm B}+l_3)$|0.806(1)0.0740.8980(22)0.0729
|$l_3$||$\rm ^c$|0.120(1)0.0291(20)
r (pole)0.3602(27)0.0770(18)
r (point)0.3729(31)0.0776(19)
r (side)0.3681(30)0.0771(18)
r (back)0.3708(31)0.0776(19)
r (volume)|$\rm ^d$|0.3562(1)0.07830(7)0.3665(30)0.0772(19)
Spectroscopic orbits:
|$T_0$| (BJD)...2,456,983.8361(22)
a (R|$_\odot$|⁠)4.646(13)4.764(15)
|$\gamma$| (km s|$^{-1}$|⁠)5(2)6.98(23)
K (km s|$^{-1}$|⁠)27(3)233(7)27.82(32)237.95(76)
q0.116(15)0.1169(14)
Absolute dimensions:
M (⁠|$M_\odot$|⁠)1.48(13)0.17(3)1.602(11)0.187(2)
R (⁠|$R_\odot$|⁠)1.65(5)0.36(1)1.746(15)0.368(9)
|$\log$|  g (cgs)4.17(1)4.55(5)4.159(8)4.580(22)
|$\rho$| (⁠|$\rho _\odot$|⁠)0.302(8)3.78(29)
|$v_{\rm sync}$| (km s|$^{-1}$|⁠)93(3)20.5(6)98.02(86)20.65(51)
v|$\sin$|i (km s|$^{-1}$|⁠)82(2)26(4)86.6(4.0)
|$\log$|  L (⁠|$L_\odot$|⁠)0.91(5)0.12(4)0.915(12)0.077(25)
|$M_{\rm bol}$| (mag)2.46(13)4.45(10)2.442(30)4.538(62)
BC (mag)0.035(1)–0.242(15)
|$M_{\rm V}$| (mag)2.407(30)4.780(64)
Distance (pc)513(19)558(9)
ParameterÇakirli et al. (2024)This Paper
 Primary (A)Secondary (B)Primary (A)Secondary (B)
|$T_0$| (BJD)2458 544.6430(3)2458 545.093506(75)
|$P_{\rm orb}$| (d)0.9008982(3)0.900898230(62)
i (deg)85.19(4)83.216(85)
|$T_{\rm eff}$| (K)7600(50)10 251(200)7411(40)9965(70)
|$\Omega$|2.995(1)3.220(2)2.886(21)2.958(31)
|$\Omega _{\rm in}$||$\rm ^a$|2.0072.010
F1.01.00.890(42)1.0
x, y0.337|$\rm ^b$|0.292|$\rm ^b$|0.522, 0.2610.410, 0.199
|$l/(l_{\rm A}+l_{\rm B}+l_3)$|0.806(1)0.0740.8980(22)0.0729
|$l_3$||$\rm ^c$|0.120(1)0.0291(20)
r (pole)0.3602(27)0.0770(18)
r (point)0.3729(31)0.0776(19)
r (side)0.3681(30)0.0771(18)
r (back)0.3708(31)0.0776(19)
r (volume)|$\rm ^d$|0.3562(1)0.07830(7)0.3665(30)0.0772(19)
Spectroscopic orbits:
|$T_0$| (BJD)...2,456,983.8361(22)
a (R|$_\odot$|⁠)4.646(13)4.764(15)
|$\gamma$| (km s|$^{-1}$|⁠)5(2)6.98(23)
K (km s|$^{-1}$|⁠)27(3)233(7)27.82(32)237.95(76)
q0.116(15)0.1169(14)
Absolute dimensions:
M (⁠|$M_\odot$|⁠)1.48(13)0.17(3)1.602(11)0.187(2)
R (⁠|$R_\odot$|⁠)1.65(5)0.36(1)1.746(15)0.368(9)
|$\log$|  g (cgs)4.17(1)4.55(5)4.159(8)4.580(22)
|$\rho$| (⁠|$\rho _\odot$|⁠)0.302(8)3.78(29)
|$v_{\rm sync}$| (km s|$^{-1}$|⁠)93(3)20.5(6)98.02(86)20.65(51)
v|$\sin$|i (km s|$^{-1}$|⁠)82(2)26(4)86.6(4.0)
|$\log$|  L (⁠|$L_\odot$|⁠)0.91(5)0.12(4)0.915(12)0.077(25)
|$M_{\rm bol}$| (mag)2.46(13)4.45(10)2.442(30)4.538(62)
BC (mag)0.035(1)–0.242(15)
|$M_{\rm V}$| (mag)2.407(30)4.780(64)
Distance (pc)513(19)558(9)

aPotential for the inner critical Roche surface.

|$^b$|Linear limb-darkening law was used.

|$^c$|Value at 0.25 orbital phase.

|$^d$|Mean volume radius.

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