Supplementary information
From the following article:
An overview of the descent and landing of the Huygens probe on Titan
Jean-Pierre Lebreton, Olivier Witasse, Claudio Sollazzo, Thierry Blancquaert, Patrice Couzin, Anne-Marie Schipper, Jeremy B. Jones, Dennis L. Matson, Leonid I. Gurvits, David H. Atkinson, Bobby Kazeminejad & Miguel Pérez-Ayúcar
Nature 438, 758-764(8 December 2005)
doi:10.1038/nature04347
Supplementary Figure 1
This figure shows an exploded view of the Huygens probe.
Supplementary Figure 2
This figure shows the accelerometer measurements (engineering sensors) during the whole descent.
Supplementary Figure 3
This figure shows the evolution of the probe internal temperature measurement during the descent and on the surface.
Supplementary Figure 4
This figure illustrates the overall variation of the communication radio link parameter during the mission and provides a comparison between the predicted signal envelope and the measured signal strength, both during the descent (probe spinning) and on the ground.
Supplementary Figure 5
This figure shows the location of all the radio telescopes that were used to receive the Huygens carrier signal. The telescope configuration is shown as seen from Titan at the beginning (left panel) and at the end (right panel) of the observation.
Supplementary Figure 6
This figure shows the path of the direct signal transmitted by Huygens and of the one reflected by the ground. The two signals produces an interference pattern that was detected on board Cassini.
Supplementary Notes
This includes Supplementary Table 1 (details about the six Huygens investigations), Supplementary Table 2 (a list of 17 radio telescopes that were part of the Huygens radio astronomy segment of the mission), Supplementary Figure Legends and technical information about the probe that was not appropriate to include in the printed version. It also describes the technical details of the radio astronomy segment of the Huygens mission.
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