2026 Claes Fransson: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	97	1839	1750	11	11	357	25105

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

1839

1750

357

25105

Overview

Claes Fransson is affiliated with Stockholm University in Sweden and has contributed extensively to the fields of physics and astronomy. Their research primarily focuses on areas including gamma-ray bursts, supernovae, and various astrophysical phenomena.

The scientist's work covers several main fields and subfields:

Physics and Astronomy
Astronomy and Astrophysics
Nuclear and High Energy Physics
Instrumentation
Radiation
Geology

Key research topics addressed by Fransson include:

Gamma-ray bursts and supernovae
Astrophysics and Cosmic Phenomena
Astrophysical Phenomena and Observations
Pulsars and Gravitational Waves Research
Stellar, planetary, and galactic studies
Astro and Planetary Science
Astrophysics and Star Formation Studies

Their recent significant publications include:

"A WC/WO star exploding within an expanding carbon-oxygen-neon nebula," 2022, published in Nature
"The complex circumstellar environment of supernova 2023ixf," 2024, published in Nature
"A JWST Survey of the Supernova Remnant Cassiopeia A," 2024, published in The Astrophysical Journal Letters
"Emission lines due to ionizing radiation from a compact object in the remnant of Supernova 1987A," 2024, published in Science
"1100 days in the life of the supernova 2018ibb," 2023, published in Astronomy and Astrophysics

Frequent co-authors in collaboration with Fransson are:

J. Sollerman
C. Fremling
Josefin Larsson
S. Schulze
D. A. Perley

The scientist's works are often published in the following venues:

arXiv (Cornell University)
Astronomy and Astrophysics
The Astrophysical Journal
Zenodo (CERN European Organization for Nuclear Research)
Monthly Notices of the Royal Astronomical Society

Best Publications

Design concepts for the Cherenkov Telescope Array CTA: An advanced facility for ground-based high-energy gamma-ray astronomy

M. Actis;G. Agnetta;F. Aharonian;A. Akhperjanian

1008
Citations
Introducing the CTA concept

B. S. Acharya;M. Actis;T. Aghajani;G. Agnetta

855
Citations
Emission from circumstellar interaction in normal Type II supernovae

Roger A. Chevalier;Claes Fransson

632
Citations
Circumstellar Emission from Type Ib and Ic Supernovae

Roger A. Chevalier;Claes Fransson

481
Citations
A relativistic type Ibc supernova without a detected gamma-ray burst.

A. M. Soderberg;S. Chakraborti;G. Pignata;R. A. Chevalier

422
Citations
Circumstellar Interaction in SN 1993J

Claes Fransson;Peter Lundqvist;Roger A. Chevalier

390
Citations
Confined dense circumstellar material surrounding a regular type II supernova

O. Yaron;D. A. Perley;D. A. Perley;A. Gal-Yam;J. H. Groh

322
Citations
SN 1992A : ultraviolet and optical studies based on HST, IUE and CTIO observations

Robert P. Kirshner;David J. Jeffery;Bruno Leibundgut;Peter M. Challis

320
Citations
A panchromatic view of the restless SN2009ip reveals the explosive ejection of a massive star envelope

R. Margutti;D. Milisavljevic;A.M. Soderberg;R. Chornock

293
Citations
Late emission from supernovae - A window on stellar nucleosynthesis

Claes Fransson;Roger A. Chevalier

278
Citations
Spectropolarimetry of SN 2001el in NGC 1448: Asphericity of a Normal Type Ia Supernova

Lifan Wang;Dietrich Baade;Peter Hoeflich;Alexei Khokhlov

278
Citations
A Panchromatic View of the Restless SN 2009ip Reveals the Explosive Ejection of a Massive Star Envelope

R. Margutti;Danny Milisavljevic;Alicia M. Soderberg;R Chornock

269
Citations
Spectropolarimetry of SN 2001el in NGC 1448: Asphericity of a normal type Ia supernova

Lifan Wang;Dietrich Baade;Peter Höflich;Alexei Khokhlov

255
Citations
HIGH-DENSITY CIRCUMSTELLAR INTERACTION IN THE LUMINOUS TYPE IIn SN 2010jl : THE FIRST 1100 DAYS

Claes Fransson;Mattias Ergon;Peter J. Challis;Roger A. Chevalier

244
Citations
The Axially Symmetric Ejecta of Supernova 1987A

L. Wang;J. C. Wheeler;P. Hoeflich;A. Khokhlov

230
Citations
Radio Emission and Particle Acceleration in SN 1993J

Claes Fransson;Claes-Ingvar Björnsson

224
Citations
The Axisymmetric Ejecta of Supernova 1987A

L. Wang;John C Wheeler;P. Höflich;A. Khokhlov

223
Citations
Multi-wavelength Observations of the Enduring Type IIn Supernovae 2005ip and 2006jd

Maximilian Stritzinger;Maximilian Stritzinger;Francesco Taddia;Claes Fransson;Ori D. Fox

222
Citations
Narrow ultraviolet emission lines from SN 1987A - Evidence for CNO processing in the progenitor

C. Fransson;A. Cassatella;R. Gilmozzi;R. P. Kirshner

220
Citations
Dust and the Type II-Plateau Supernova 2004et

R. Kotak;W. P. S. Meikle;D. Farrah;C. L. Gerardy

215
Citations