--------------------------------------------------------------------------- -------- christopher stark ------------------------------------------------ ------------------------------------------------------- astronomer -------- --------------------------------------------------------------------------- == about == JWST Deputy Observatory Project Scientist NASA Goddard Space Flight Center curriculum vitae photo == contact == Exoplanets and Stellar Astrophysics Laboratory, Code 667 NASA Goddard Space Flight Center Greenbelt, MD 20771 Office: 301-285-5497 christopher.c.stark@nasa.gov == research == Future mission design & simulation Optimizing the design of future direct imaging missions for science yield Select Publications: 2014 | 2015 | 2016 | 2016 | 2019 | 2020 | 2024 Debris disks & exozodi High contrast imaging of disks, modeling dust composition & dynamics Select Publications: 2009 | 2009 | 2011 | 2013 | 2014 | 2015 | 2022 | 2023 | 2023 | 2024 Exoplanets Theory & observation of planet-disk interactions, methods for detection Select Publications: 2008 | 2020 | 2024 == code & resources == HWO Coronagraph ETC (IDL/C) [code] Calculates the exposure time of a planet observed with a "toy" HWO coronagraph in a manner consistent with AYO. exoVista v2.x (Python/C) [code] [data] exoVista v1.3 (IDL/C) [code] Generates a "universe" of planetary systems. dustmap v3.1.4 (IDL/C) [code] Synthesizes images of debris disks using discrete data points as input. Scattered light, thermal emission, Mie theory, Kurucz stellar atmospheres Fast multi-wavelength calculations Debris Ring Analyzer (IDL) (coming soon) Fits debris ring geometry, deprojects, extracts scattering phase function. Kowalsky Deprojection (IDL) [code] Deprojects on-sky ellipses using Kowalsky method. Poisson Binomial Distribution (IDL) [code] Probability distribution of events with independent, unique probabilities of success. Exozodi Simulation Catalog [data] Catalog of collisionless n-body simulations of planet-induced resonant structures in exozodiacal disks. credits: font victor mono | photo aki roberge