Table 4
Relative radial velocities and bisector spans of HAT-P-42 and HAT-P-43.
| Object | BJDa | RVb | σ RV c | BISd | Phase | |
| −2 455 000 | m s-1 | m s-1 | m s-1 | |||
|
|
||||||
| HAT-P-42 | 889.03539 | −47.4 | 28.4 | ··· | 0.322 | |
| 900.05380 | 159.1 | 33.8 | ··· | 0.696 | ||
| 901.01864 | 27.1 | 32.4 | ··· | 0.904 | ||
| 902.02682 | −105.1 | 34.6 | ··· | 0.121 | ||
| 902.71983 | −112.1 | 13.0 | −43.0 | 0.270 | ||
| 902.93220 | −75.4 | 25.4 | ··· | 0.316 | ||
| 903.67805 | 8.9 | 31.0 | −27.0 | 0.477 | ||
| 904.03850 | −14.2 | 25.4 | ··· | 0.554 | ||
| 904.66696 | 97.9 | 38.0 | 5.0 | 0.690 | ||
| 905.02718 | 75.3 | 29.9 | ··· | 0.767 | ||
| 906.60475 | −46.1 | 44.0 | 8.0 | 0.107 | ||
| 907.02711 | −33.4 | 25.9 | ··· | 0.198 | ||
| 908.63608 | 71.9 | 69.0 | −35.0 | 0.545 | ||
| 939.89586 | −166.5 | 33.4 | ··· | 0.279 | ||
|
|
||||||
| HAT-P-43 | 901.68768 | −85.8 | 15.0 | −36.0 | 0.289 | |
| 902.67245 | 40.3 | 15.0 | −77.0 | 0.585 | ||
| 903.62875 | 42.3 | 31.0 | 12.0 | 0.872 | ||
| 904.62601 | −94.8 | 27.0 | −18.0 | 0.171 | ||
| 906.57509 | 111.3 | 28.0 | −26.0 | 0.756 | ||
| 908.60322 | −28.8 | 31.0 | 35.0 | 0.364 | ||
Notes. Observations without a BIS value were obtained with the TRES instrument, observations with a BIS value were obtained with SOPHIE.
A zero-level γ velocity, fitted independently for each instrument, has been subtracted from these measurements. For reference, for HAT-P-42, the SOPHIE γ velocity from the fit was 20.561 ± 0.014 km s-1, which is an estimate of the true recession velocity of the center of mass of the system. For TRES the value is 0.014 ± 0.015 km s-1. As an artifact of the reduction procedure the TRES RVs were measured relative to an arbitrary zero-point, the fitted γ velocity in this case has no physical meaning. For HAT-P-43, the SOPHIE γ velocity from the fit was −5.082 ± 0.009 km s-1.
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