Sciences and Exploration Directorate

Christopher C Stark

(Rsch AST, Stlr Galctic&Xtrgltc Astr)

Christopher C Stark's Contact Card & Information.
Email: christopher.c.stark@nasa.gov
Phone: 301.286.8375
Org Code: 667
Address:
NASA/GSFC
Mail Code 667
Greenbelt, MD 20771
Employer:
NASA

Missions & Projects

Brief Bio


2024 – present: Exoplanet Theme Lead for the Habitable Worlds Observatory

2023 – 2024: Deputy Observatory Project Scientist for the James Webb Space Telescope

2021 – 2023: Deputy Integration, Test, and Commissioning Project Scientist for the James Webb Space Telescope

2020 – 2021: Large Strategic Mission Scientist

Research Interests


Future Mission Planning

Future mission planning for high contrast imaging of exoplanets. Includes coronagraph simulation, astrophysical scene simulation, exoplanet yield modeling, and survey simulation.


High contrast imaging of exoplanets and debris disks

Observation of debris disks and exoplanets using HST and JWST, data reduction and analysis


Debris disk modeling

Modeling disk dynamics, structures, and composition

Current Projects


Determining the Astrophysical Noise Floor of the Habitable Worlds Observatory’s Coronagraphs

ROSES ADSPS, PI: Christopher Stark


Extending The Habitable Worlds Observatory Preliminary Input Catalog

Goddard SEEC Funded Proposal, PI: Christopher Stark


Catching a cat by the tail: Tracing Dust Dynamics in the Beta Pictoris Debris Disk in the Aftermath of Giant Collisions

JWST GO 5298, PI: Marshall Perrin


Eexoplanet Spectroscopy Technologies Work Package

NASA ISFM Work Package, PI: Mike McElwain



Science Support for the Habitable Worlds Observatory Technical Analysis Group (TAG)

2024 Internal Goddard Proposal, PI: Christopher Stark


Coronagraphy of the Debris Disk Archetype Beta Pictoris

JWST GTO 1411, PI: Christopher Stark

Positions/Employment


Astrophysicist

NASA Goddard Space Flight Center - Greenbelt, MD

2020 - Present


Associate Scientist

Space Telescope Science Institute - Baltimore, MD

2015 - 2020


NASA Postdoctoral Program Fellow

NASA Goddard Space Flight Center - Greenbelt, MD

2013 - 2015


Carnegie Postdoctoral Research Fellow

Carnegie DTM - Washington, DC

2010 - 2013

Education


2010: Ph.D., Physics, University of Maryland
         Thesis Title: "Decoding Images of Debris Disks"
         Advisor: Marc Kuchner
2004: B.S., Physics, University of Northern Iowa

Talks, Presentations and Posters


Invited

Public Planetarium Talk, Rochester Museum & Science Center

November 2024


Sagan Summer Workshop

August 2024


START/TAG F2F Meeting, Baltimore, MD

July 2024


ExEP Tech Colloquium

June 2024


Other

Exoplanet Seminar, NASA GSFC

July 2024


Chesapeake Bay Area Exoplanets Meeting, STScI, Baltimore, MD

June 2024


Yield Modeling Splinter Meeting, 243rd AAS Meeting, New Orleans, LA

February 2024


243rd AAS Meeting, New Orleans, LA

February 2024


Selected Publications


Refereed

2024. "Paths to robust exoplanet science yield margin for the Habitable Worlds Observatory." Journal of Astronomical Telescopes, Instruments, and Systems 10 (03): 034006 [10.1117/1.jatis.10.3.034006] [Journal Article/Letter]

2024. "Optimized bandpasses for the Habitable Worlds Observatory’s exoEarth survey." Journal of Astronomical Telescopes, Instruments, and Systems 10 (01): [10.1117/1.jatis.10.1.014005] [Journal Article/Letter]

2024. "HPIC: The Habitable Worlds Observatory Preliminary Input Catalog." The Astronomical Journal 167 (139): 18 [10.3847/1538-3881/ad25ec] [Journal Article/Letter]

2023. "The Science Performance of JWST as Characterized in Commissioning." Publications of the Astronomical Society of the Pacific 135 (1046): 048001 [10.1088/1538-3873/acb293] [Journal Article/Letter]

2022. "Simulated design trades for a visible-wavelength integral field spectrograph operating behind a space coronagraph." Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave [10.1117/12.2630443] [Proceedings]

2021. "A Layered Debris Disk around M Star TWA 7 in Scattered Light." The Astrophysical Journal 914 (2): 95 [10.3847/1538-4357/ac03b9] [Journal Article/Letter]

2021. "Community exoplanet imaging data challenge for Roman CGI and starshade rendezvous." Journal of Astronomical Telescopes, Instruments, and Systems 7 (02): [10.1117/1.jatis.7.2.021218] [Journal Article/Letter]

2021. "Starshade rendezvous: exoplanet sensitivity and observing strategy." Journal of Astronomical Telescopes, Instruments, and Systems 7 (02): [10.1117/1.jatis.7.2.021210] [Journal Article/Letter]

2021. "Final Report for SAG 22: A Target Star Archive for Exoplanet Science." arXiv e-prints [https://doi.org/10.48550/arXiv.2112.04517] [Other]

2020. "ExoSpec project: an exoplanet spectroscopy technology research collaboration based at NASA’s Goddard Space Flight Center and Ames Research Center." Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave [10.1117/12.2562872] [Proceedings]

2014. "Probing for Exoplanets Hiding in Dusty Debris Disks: Disk Imaging, Characterization, and Exploration with HST/STIS Multi-Roll Coronagraphy." ArXiv e-prints arXiv:1406.7303 [Journal Article/Letter]

2014. "Revealing Asymmetries in the HD 181327 Debris Disk: A Recent Massive Collision or Interstellar Medium Warping." The Astrophysical Journal 789 58 [10.1088/0004-637X/789/1/58] [Journal Article/Letter]

2013. "A Search for Exozodiacal Clouds with Kepler." The Astrophysical Journal 764 195 [10.1088/0004-637X/764/2/195] [Journal Article/Letter]

2013. "A Survey for Very Short-period Planets in the Kepler Data." The Astrophysical Journal 779 165 [10.1088/0004-637X/779/2/165] [Journal Article/Letter]

2012. "Direct imaging of exoEarths embedded in clumpy debris disks." Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series 8442 [10.1117/12.926324] [Journal Article/Letter]

2012. "Keck Interferometer Nuller science highlights." Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series 8445 [10.1117/12.926548] [Journal Article/Letter]

2012. "The Link between Planetary Systems, Dusty White Dwarfs, and Metal-polluted White Dwarfs." The Astrophysical Journal 747 148 [10.1088/0004-637X/747/2/148] [Journal Article/Letter]

2011. "The cold origin of the warm dust around ε Eridani." Astronomy and Astrophysics 527 A57 [10.1051/0004-6361/201015328] [Journal Article/Letter]

2011. "Exozodiacal Dust Levels for Nearby Main-sequence Stars: A Survey with the Keck Interferometer Nuller." The Astrophysical Journal 734 67 [10.1088/0004-637X/734/1/67] [Journal Article/Letter]

2011. "The Transit Light Curve of an Exozodiacal Dust Cloud." [Journal Article/Letter]

2010. "Nulling interferometry: impact of exozodiacal clouds on the performance of future life-finding space missions." Astronomy and Astrophysics 509 A9 [10.1051/0004-6361/200912973] [Journal Article/Letter]

2010. "Influence of Exozodiacal Dust Clouds on Mid-IR Earth-like Planet Detection." Pathways Towards Habitable Planets 430 422 [Journal Article/Letter]

2010. "Collisional Grooming Models of the Kuiper Belt Dust Cloud." The Astronomical Journal 140 1007 [Full Text] [10.1088/0004-6256/140/4/1007] [Journal Article/Letter]

2009. "51 Ophiuchus: A Possible Beta Pictoris Analog Measured with the Keck Interferometer Nuller." The Astrophysical Journal 703 1188 [Full Text] [10.1088/0004-637X/703/2/1188] [Journal Article/Letter]

2009. "A New Algorithm for Self-consistent Three-dimensional Modeling of Collisions in Dusty Debris Disks." The Astrophysical Journal 707 543 [Full Text] [10.1088/0004-637X/707/1/543] [Journal Article/Letter]

2008. "The Detectability of Exo-Earths and Super-Earths Via Resonant Signatures in Exozodiacal Clouds." The Astrophysical Journal 686 637 [Full Text] [10.1086/591442] [Journal Article/Letter]