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Table 6:

Photometric solutions for BK Peg from the JKTEBOP code.
  y b v u

i   ($^\circ$)
88.02 87.91 87.99 87.90
  $\pm 5$ $\pm 5$ $\pm 4$ $\pm 7$
$e\cos \omega$ -0.00364 -0.00376 -0.00363 -0.00374
  $\pm 6$ $\pm 7$ $\pm 6$ $\pm 10$
$e\sin \omega$ 0.00283 0.00563 0.00438 0.00059
  $\pm 181$ $\pm 207$ $\pm 183$ $\pm 312$
e 0.0046 0.0068 0.0057 0.0038
$\omega$  ($^\circ$) 142.1 123.8 129.6 170.0
$r_{\rm p}$ 0.1092 0.1096 0.1092 0.1100
$r_{\rm s}$ 0.0806 0.0819 0.0807 0.0813
k 0.7379 0.7474 0.7394 0.7391
  $\pm50$ $\pm68$ $\pm46$ $\pm97$
$r_{\rm p} + r_{\rm s}$ 0.1898 0.1915 0.1900 0.1913
  $\pm 5$ $\pm 5$ $\pm 4$ $\pm 7$
$u_{\rm p} = u_{\rm s}$ 0.55 0.64 0.72 0.70
$y_{\rm p} = y_{\rm s}$ 1.09 1.24 1.42 1.68
$J_{\rm s}/J_{\rm p}$ 1.0444 1.0447 1.0569 1.1016
  $\pm31$ $\pm37$ $\pm34$ $\pm60$
$L_{\rm s}/L_{\rm p}$ 0.5670 0.5817 0.5756 0.5990
$\sigma$  (mmag.) 4.8 5.2 4.7 7.9

Notes. Linear limb darkening coefficients by Van Hamme (1993) were adopted, a mass ratio of 0.89 was assumed, and phase shift and mag. normalization were included as free parameters. The errors quoted for the free parameters are the formal errors determined from the iterative least squares solution procedure.


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