Timothy M. Heckman

Johns Hopkins University — United States

Physics and Astronomy · Physical Sciences

121h-index87.8kcitations788works6.82yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(484), Astronomy and Astrophysical Research(396), Stellar, planetary, and galactic studies(283), Astrophysics and Star Formation Studies(217), Astrophysical Phenomena and Observations(173)

Publications788 total

The Ly <i>α</i> and Continuum Origins Survey. II. The Connection between the Escape of Ionizing Radiation and Ly <i>α</i> Halos in Star-forming Galaxies
The Astrophysical Journal·2026· 1 citedOpen Access
Spectrally Resolved Gas Kinematics in Cygnus A: XRISM Detects AGN Jet-induced Velocity Dispersion in Multi-temperature Gas
arXiv (Cornell University)·2025Open Access
Power-law Emission-line Wings and Radiation-driven Superwinds in Local Lyman Continuum Emitters
The Astrophysical Journal·2025· 1 citedOpen Access
CLASSY XIII. Cutting through the Clouds - Comparing Indirect Tracers of Ionizing Photon Escape
arXiv (Cornell University)·2025Open Access
Lyman Continuum Leakage from Massive Leaky Starbursts: A Different Class of Emitters?
The Astrophysical Journal·2025· 4 citedOpen Access
What drives kpc-scale outflows in Radio-Quiet AGN? Insights from a Polarimetric Study
arXiv (Cornell University)·2025Open Access
Synergistic Radiative Transfer Modeling of Mg <scp>II</scp> and Ly<i>α</i> Emission in Multiphase, Clumpy Galactic Environments: Application to Low-redshift Lyman Continuum Leakers
The Astrophysical Journal·2025Open Access
Mapping Jet-Gas Coupling and energetic ionized outflows in High-Redshift Radio Galaxies with JWST/NIRSpec
ArXiv.org·2025· 1 citedOpen Access
Vertical Gas Circulation in Star-Forming Galaxies: Near-Equilibrium between Star Formation and Gravity
2025Open Access
The Low-redshift Lyman Continuum Survey: The Roles of Stellar Feedback and Interstellar Medium Geometry in LyC Escape
The Astrophysical Journal·2025· 18 citedOpen Access
Shining a Light on the Connections between Galactic Outflows Seen in Absorption and Emission Lines
The Astrophysical Journal·2025· 5 citedOpen Access
DIISC-VI (COS-DIISC): Ultraviolet Metal Absorption Relative to the H <scp>i</scp> Disk of Galaxies
The Astrophysical Journal·2025Open Access
The Effect of Radiation and Supernovae Feedback on LyC Escape in Local Star-forming Galaxies
The Astrophysical Journal·2025· 15 citedOpen Access
Magnetic Field Structures In and Around Seyfert Galaxy Outflows
The Astrophysical Journal·2025· 2 citedOpen Access
Measuring the Interstellar Medium Content of Nearby, Luminous, Type 1 and Type 2 QSOs through CO and [C <scp>ii</scp>]
The Astrophysical Journal·2025Open Access
Physical Origins of Outflowing Cold Clouds in Local Star-forming Dwarf Galaxies
The Astrophysical Journal·2025· 4 citedOpen Access
Improved SED-fitting Assumptions Result in Inside-out Quenching at z ~ 0.5 and Quenching at All Radii Simultaneously at z ~ 1
The Astrophysical Journal·2025· 2 citedOpen Access
First Results from the JWST Early Release Science Program Q3D: The Fast Outflow in a Red Quasar at z = 0.44
The Astrophysical Journal·2025· 4 citedOpen Access
A Simulated Galaxy Laboratory: Exploring the Observational Effects on UV Spectral Absorption Line Measurements
The Astrophysical Journal·2025· 5 citedOpen Access
Power-law Emission-line Wings and Radiation-driven Superwinds in Local Lyman Continuum Emitters
SHILAP Revista de lepidopterología·2025· 3 citedOpen Access
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Frequent Co-authors

J. Brinkmann(17), Guinevere Kauffmann(17), M. Fukugita(14), Alexander S. Szalay(14), Neta A. Bahcall(13), István Csabai(13), Patrick B. Hall(13), Scott F. Anderson(12), F. J. Castander(12), Andrew J. Connolly(12), Mamoru Doi(12), Xiaohui Fan(12), James E. Gunn(12), G. S. Hennessy(12), Robert H. Lupton(12), G. R. Knapp(11), Mariangela Bernardi(11), James Annis(10), Joshua A. Frieman(10), Jeffrey A. Munn(10)