Planned Products of the Mars Structure Service for the InSight Mission to Mars

Mark P. Panning, Philippe Lognonné, W. Bruce Banerdt, Raphaël Garcia, Matthew Golombek, Sharon Kedar, Brigitte Knapmeyer-Endrun, Antoine Mocquet, Nick A. Teanby, Jeroen Tromp, Renee Weber, Eric Beucler, Jean Francois Blanchette-Guertin, Ebru Bozdağ, Mélanie Drilleau, Tamara Gudkova, Stefanie Hempel, Amir Khan, Vedran Lekić, Naomi MurdochAna Catalina Plesa, Atillio Rivoldini, Nicholas Schmerr, Youyi Ruan, Olivier Verhoeven, Chao Gao, Ulrich Christensen, John Clinton, Veronique Dehant, Domenico Giardini, David Mimoun, W. Thomas Pike, Sue Smrekar, Mark Wieczorek, Martin Knapmeyer, James Wookey

Research output: Contribution to journalReview article

50 Scopus citations

Abstract

The InSight lander will deliver geophysical instruments to Mars in 2018, including seismometers installed directly on the surface (Seismic Experiment for Interior Structure, SEIS). Routine operations will be split into two services, the Mars Structure Service (MSS) and Marsquake Service (MQS), which will be responsible, respectively, for defining the structure models and seismicity catalogs from the mission. The MSS will deliver a series of products before the landing, during the operations, and finally to the Planetary Data System (PDS) archive. Prior to the mission, we assembled a suite of a priori models of Mars, based on estimates of bulk composition and thermal profiles. Initial models during the mission will rely on modeling surface waves and impact-generated body waves independent of prior knowledge of structure. Later modeling will include simultaneous inversion of seismic observations for source and structural parameters. We use Bayesian inversion techniques to obtain robust probability distribution functions of interior structure parameters. Shallow structure will be characterized using the hammering of the heatflow probe mole, as well as measurements of surface wave ellipticity. Crustal scale structure will be constrained by measurements of receiver function and broadband Rayleigh wave ellipticity measurements. Core interacting body wave phases should be observable above modeled martian noise levels, allowing us to constrain deep structure. Normal modes of Mars should also be observable and can be used to estimate the globally averaged 1D structure, while combination with results from the InSight radio science mission and orbital observations will allow for constraint of deeper structure.

Original languageEnglish (US)
Pages (from-to)611-650
Number of pages40
JournalSpace Science Reviews
Volume211
Issue number1-4
DOIs
StatePublished - Oct 1 2017

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • InSight mission
  • Interior structure
  • Mars
  • Seismology

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    Panning, M. P., Lognonné, P., Bruce Banerdt, W., Garcia, R., Golombek, M., Kedar, S., Knapmeyer-Endrun, B., Mocquet, A., Teanby, N. A., Tromp, J., Weber, R., Beucler, E., Blanchette-Guertin, J. F., Bozdağ, E., Drilleau, M., Gudkova, T., Hempel, S., Khan, A., Lekić, V., ... Wookey, J. (2017). Planned Products of the Mars Structure Service for the InSight Mission to Mars. Space Science Reviews, 211(1-4), 611-650. https://doi.org/10.1007/s11214-016-0317-5