Science InvestigationTeam

Turnbull SIT 2015-2021

Leadership

Margaret Turnbull

SETI Institute

PI

Avi Mandell

NASA/GSFC

Deputy (2018 -)

Aki Roberge

NASA/GSFC

Deputy (2015 -2018)

Simulations Leads

Neil Zimmerman

NASA GFSC

HLC and ExoScene Simulations

Sergi Hildebrandt

JPL / Caltech

Star shade simulations


Data Challenge Support

Julien Girard

STScI

Data Challenge Coordinator

Liaison to the Science Operations Center (STScI)

Ell Bogat

NASA GSFC (now U Maryland)

In-house analysis

& Challenge metrics

Christopher Stark

NASA GSFC (form. at STScI)

Exozodiacal disk simulations

Junellie González- Quiles

NASA GSFC (now JHU)

Exozodiacal disk simulations

& In-house analysis


Zhexing Li

UC Riverside

Radial velocity simulations

Arthur Vigan

CNRS LAM

Legacy Tutorial feedback

Theme Leads

Misty Cracraft

STScI

Target background sources

Stephen Kane

UC Riverside

Radial Velocity Precursor Observations

Prabal Saxena

NASA GSFC

Atmospheric retrieval

Aronne Merrelli

U Wisconsin

Exoplanet Climate Modeling (Starshade Accommodation)

Additional Team Members

Feng He

U Wisconsin

Exoplanet Climate Modeling (Starshade)


Tristan L’Ecuyer

U Wisconsin

Exoplanet Climate Modeling (Starshade)


William Sparks

SETI Institute

Target Background Sources


Liaison to the Science Support Center (IPAC)

Tiffany Meshkat

IPAC / Caltech (now at Crisis Text Line)

(2019-2021)



Patrick Lowrance

IPAC / Caltech

(2021-)

Recent Publications & Reports

Published

  • Turnbull et al. 2021: “Community exoplanet imaging data challenge for Roman CGI and starshade rendezvous” (JATIS, Volume 7, id. 021218, arXiv:2105.14140)

  • Hildebrandt et al. 2021: “Starshade Imaging Simulation Toolkit for Exoplanet Reconnaissance” (JATIS, Volume 7, id. 021217)

  • Li et al. 2021: “Direct Imaging of Exoplanets beyond the Radial Velocity Limit: Application to the HD 134987 System” (The Astronomical Journal, Volume 162, Issue 1, id.9, arXiv:2104.13531)

  • Saxena et al. 2021: "Simulating Reflected Light Exoplanet Spectra of the Promising Direct Imaging Target, υ Andromedae d, with a New, Fast Sampling Method Using the Planetary Spectrum Generator" (AJ, arXiv)

  • Girard et al. 2020: “The Roman exoplanet imaging data challenge: a major community engagement effort” (Proceedings of the SPIE, Volume 11443)

In preparation for AAS refereed Journals

  • Zimmerman et al: “A Community Exoplanet Imaging Data Challenge: I. Design and Simulations”

  • Girard et al.: “The Roman Exoplanet Imaging Data Challenge: II. Implementation, Results and Lessons Learned”

Reports

  • Final report for the SIT

  • Cracraft et al. 2021: "Characterizing the Galactic and Extragalactic Background Near Exoplanet Direct Imaging Targets" (arXiv)

Presentations at workshop and conferences

  • M. Rizzo, N. Zimmerman, A. Roberge, et al., Realistic Simulations of Coronagraphic Observations with WFIRST, American Astronomical Society Meeting Abstracts #231, 2018. https://ui.adsabs.harvard.edu/abs/2018AAS...23114834R/abstract

  • W. C. Fanning, N. Zimmerman, M. McElwain, G. Grell, “Exoplanet detection synergies between Gaia and the WFIRST Coronagraph”, American Astronomical Society Meeting Abstracts #231, 2018. https://ui.adsabs.harvard.edu/abs/2018AAS...23114803F/abstract

  • N. Zimmerman, Exoplanet detection synergy between Gaia and the WFIRST Coronagraph, Science with Precision Astrometry Workshop, 2018. https://www.stsci.edu/contents/events/stsci/2018/march/science-with-precision-astrometry-workshop

  • A. Mandell, M. Turnbull, N. Zimmerman, et al., The WFIRST Coronograph Exoplanet Data Challenge, American Astronomical Society Meeting Abstracts #233, 2019. https://ui.adsabs.harvard.edu/abs/2019AAS...23314044M/abstract

  • J. Gonzalez-Quiles, WFIRST Coronagraph Exoplanet Scene Simulations, In the Spirit of Lyot 2019, P1-27, 2019. https://abc-nins.jp/Lyot2019/abstracts.pdf

  • J. H. Girard, J. Gonzalez-Quiles, S. Hildebrandt, et al., The 2019 WFIRST Exoplanet Imaging Data Challenge, In the Spirit of Lyot 2019, P1-09, 2019. https://abc-nins.jp/Lyot2019/abstracts.pdf

  • J. Gonzalez-Quiles, N. Zimmerman, M. Turnbull, et al., WFIRST Coronagraph Exoplanet Scene Simulations, American Astronomical Society Meeting Abstracts #235, 2020. https://ui.adsabs.harvard.edu/abs/2020AAS...23523002G/abstract

  • E. Bogat, N. Zimmerman, J. Girard, et al., A Public Data Challenge for Exoplanet Science with the Roman Space Telescope Coronagraph Instrument, Habitable Worlds 2021, id. 1153. Bulletin of the American Astronomical Society, Vol. 53, No. 3, 2021. https://ui.adsabs.harvard.edu/abs/2021BAAS...53c1153B/abstract

  • J. Girard, Results from the Roman Exoplanet Imaging Data Challenge, STScI Spring Symposium 2021 "Towards the Comprehensive Characterization of Exoplanets” https://www.stsci.edu/contents/events/stsci/2021/april/towards-the-comprehensive-characterization-of-exoplanets

  • Julien H. Girard, Ell Bogat, Junellie Gonzalez-Quiles, Sergi R. Hildebrandt et al., The Roman exoplanet imaging data challenge: a major community engagement effort, Proc. SPIE 11443, Space Telescopes and Instrumentation 2020, Poster & Video, https://doi.org/10.1117/12.2561736

  • J. Girard, J. Gonzalez-Quiles, Sergi Hilderbrandt, et al. The 2019-2020 ROMAN Exoplanet Imaging Data Challenge, Exoplanets III, Heidelberg July 27-31 2020 *(Virtual) Poster, Video

  • J. Girard, Roman Exoplanet Imaging Data Challenge. Roman Virtual Lecture Series, Jul 16 2020, video

  • J. Girard, The 2019 WFIRST Exoplanet Imaging Data Challenge

  • Science in Our Own Backyard: Exploring the Galaxy and the Local Group with WFIRST, Caltech, June 18-20, 2019

Public Sofware & Codes

Developed by the SIT members

Used during the data challenge or developed by the participants