2026 Ray Jayawardhana: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	81	2972	2822	74	73	331	17729

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

2972

2822

331

17729

Research.com Recognitions

2014 - Fellow of John Simon Guggenheim Memorial Foundation
2013 - Rutherford Memorial Medal in Physics, Royal Society of Canada

Overview

Ray Jayawardhana is affiliated with the University of Toronto in Canada and has contributed extensively to the fields of Physics and Astronomy.

Their research primarily spans several subfields, including Astronomy and Astrophysics, Instrumentation, Aerospace Engineering, Atomic and Molecular Physics, and Optics, as well as Computational Mechanics.

Main topics of study addressed in their work include:

Stellar, planetary, and galactic studies
Astro and Planetary Science
Astrophysics and Star Formation Studies
Astronomy and Astrophysical Research
Solar and Space Plasma Dynamics
Gamma-ray bursts and supernovae
Adaptive optics and wavefront sensing

Ray Jayawardhana has coauthored with several frequent collaborators, including:

Jake D. Turner
Laura Flagg
Ernst de Mooij
David Lafrenière
Emily Deibert

Publication venues where their work appears most often include:

arXiv (Cornell University)
The Astronomical Journal
Astronomy and Astrophysics
The Astrophysical Journal Letters
The Astrophysical Journal

Notable recent papers by Ray Jayawardhana are:

The Near-infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. II. Wide Field Slitless Spectroscopy, 2022, Publications of the Astronomical Society of the Pacific
Detection of Ionized Calcium in the Atmosphere of the Ultra-hot Jupiter KELT-9b, 2020, The Astrophysical Journal Letters
Decaying Orbit of the Hot Jupiter WASP-12b: Confirmation with TESS Observations, 2021, The Astronomical Journal
The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. I. Instrument Overview and In-flight Performance, 2023, Publications of the Astronomical Society of the Pacific
Measuring the ratio of the gas and dust emission radii of protoplanetary disks in the Lupus star-forming region, 2021, Springer Link (Chiba Institute of Technology)

Ray Jayawardhana has been recognized with the following awards:

Fellow of John Simon Guggenheim Memorial Foundation, 2014
Rutherford Memorial Medal in Physics, Royal Society of Canada, 2013

Best Publications

The Gemini Deep Planet Survey

David Lafreniere;Rene Doyon;Christian Marois;Daniel Nadeau

521
Citations
The Gemini Deep Planet Survey -- GDPS

David Lafreniere;Rene Doyon;Christian Marois;Daniel Nadeau

467
Citations
UBVRI Light Curves of 44 Type Ia Supernovae

Saurabh Jha;Saurabh Jha;Robert P. Kirshner;Peter Challis;Peter M. Garnavich

437
Citations
Timescale of mass accretion in pre-main-sequence stars

D. Fedele;D. Fedele;M. E. van den Ancker;Th. Henning;R. Jayawardhana

424
Citations
The t tauri phase down to nearly planetary masses : Echelle spectra of 82 very low mass stars and brown dwarfs

Subhanjoy Mohanty;Ray Jayawardhana;Gibor Basri

364
Citations
Spectroscopy of Very Low Mass Stars and Brown Dwarfs in IC2391: Lithium depletion and Halpha emission

David Barrado y Navascues;John R. Stauffer;Ray Jayawardhana

357
Citations
The sub-energetic gamma-ray burst GRB 031203 as a cosmic analogue to the nearby GRB 980425.

A. M. Soderberg;S. R. Kulkarni;E. Berger;D. W. Fox

295
Citations
Exploring brown dwarf disks : A 1.3 mm survey in taurus

Alexander Scholz;Ray Jayawardhana;Kenneth Wood

281
Citations
CLOSE COMPANIONS TO YOUNG STARS. I. A LARGE SPECTROSCOPIC SURVEY IN CHAMAELEON I AND TAURUS-AURIGA

Duy Cuong Nguyen;Duy Cuong Nguyen;Duy Cuong Nguyen;Alexis Brandeker;Alexis Brandeker;Marten H. van Kerkwijk;Ray Jayawardhana

277
Citations
Evidence for a T Tauri Phase in Young Brown Dwarfs

Ray Jayawardhana;Subhanjoy Mohanty;Gibor Basri

267
Citations
Spectroscopy of Very Low Mass Stars and Brown Dwarfs in IC 2391: Lithium Depletion and Hα Emission

David Barrado Y Navascues;John R. Stauffer;R. A. Y. Jayawardhana

265
Citations
A Dust Disk Surrounding the Young A Star HR 4796A

Ray Jayawardhana;Ray Jayawardhana;Scott Fisher;Scott Fisher;Lee Hartmann;Charles Telesco;Charles Telesco

251
Citations
Close Companions to Young Stars. I. A Large Spectroscopic Survey in Chamaeleon I and Taurus-Auriga

Duy Cuong Nguyen;Alexis Brandeker;Ray Jayawardhana;Marten H. van Kerkwijk

248
Citations
The James Clerk Maxwell Telescope Legacy Survey of Nearby Star-forming Regions in the Gould Belt

D. Ward-Thompson;J. Di Francesco;J. Hatchell;M. R. Hogerheijde

230
Citations
A Disk Census for Young Brown Dwarfs

Ray Jayawardhana;David R. Ardila;Beate Stelzer;Karl E. Haisch

229
Citations
The Planetary Mass Companion 2MASS1207-3932 B: Temperature, Mass and Evidence for an Edge-On Disk

Subhanjoy Mohanty;R. Jayawardhana;N. Huelamo;E. Mamajek

225
Citations
A dust disk surrounding the young A star HR4796A

Ray Jayawardhana;Scott Fisher;Lee Hartmann;Charles Telesco

224
Citations
The James Clerk Maxwell Telescope Legacy Survey of Nearby Star‐forming Regions in the Gould Belt

D. Ward-Thompson;J. Di Francesco;J. Hatchell;M. R. Hogerheijde

199
Citations
The Planetary Mass Companion 2MASS 1207–3932B: Temperature, Mass, and Evidence for an Edge-on Disk

Subhanjoy Mohanty;Ray Jayawardhana;Nuria Huélamo;Eric Mamajek

184
Citations
Lithium Depletion of Nearby Young Stellar Associations

Erin Mentuch;Alexis Brandeker;Marten H. van Kerkwijk;Ray Jayawardhana

183
Citations