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Articles by Claes Fransson

Precursor Activity Preceding Interacting Supernovae I: Bridging the Gap with SN 2022mop
11 March 2025 by S. Brennan and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Eruptive mass loss less than a year before the explosion of superluminous supernovae: I. The cases of SN 2020xga and SN 2022xgc
23 January 2025 by Anamaria Gkini and others
High Energy Astrophysical Phenomena
SN 2021adxl: A luminous nearby interacting supernova in an extremely low metallicity environment
17 October 2024 by S. Brennan and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Tracing the Propagation of Shocks in the Equatorial Ring of SN 1987A Over Decades with the Hubble Space Telescope
1 October 2024 by Christos Tegkelidis and others
High Energy Astrophysical Phenomena
A cosmic formation site of silicon and sulphur revealed by a new type of supernova explosion
3 September 2024 by Steve Schulze and others
High Energy Astrophysical Phenomena
A JWST Survey of the Supernova Remnant Cassiopeia A
10 June 2024 by Dan Milisavljevic and others
High Energy Astrophysical Phenomena
Shockingly Bright Warm Carbon Monoxide Molecular Features in the Supernova Remnant Cassiopeia A Revealed by JWST
6 June 2024 by Julia Rho and others
Astrophysics of Galaxies, High Energy Astrophysical Phenomena
Deep JWST/NIRCam imaging of Supernova 1987A
15 April 2024 by Mikako Matsuura and others
Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena
Resolving the explosion of supernova 2023ixf in Messier 101 within its complex circumstellar environment
27 March 2024 by E. Zimmerman and others at LogoASTRON
High Energy Astrophysical Phenomena, Astrophysics of Galaxies
Spectroscopic observations of progenitor activity 100 days before a Type Ibn supernova
25 March 2024 by S. Brennan and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Hubble Space Telescope images of SN 1987A: Evolution of the ejecta and the equatorial ring from 2009 to 2022
21 March 2024 by Sophie Rosu and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Emission lines due to ionizing radiation from a compact object in the remnant of Supernova 1987A
7 March 2024 by Carolina Fransson and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Ejecta, Rings, and Dust in SN 1987A with JWST MIRI/MRS
29 February 2024 by O. Jones and others at LogoCardiff University
High Energy Astrophysical Phenomena, Astrophysics of Galaxies
JWST MIRI Imager Observations of Supernova SN 1987A
21 February 2024 by P. Bouchet and others at LogoCardiff University
Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena
1100 days in the life of the supernova 2018ibb -- The best pair-instability supernova candidate, to date
24 November 2023 by Steve Schulze and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
JWST NIRCam Observations of SN 1987A: Spitzer Comparison and Spectral Decomposition
22 September 2023 by Richard Arendt and others at LogoNASA's Goddard Space Flight Center
Solar and Stellar Astrophysics, Astrophysics of Galaxies
Lightcurve and spectral modelling of the Type IIb SN 2020acat. Evidence for a strong Ni bubble effect on the diffusion time
14 August 2023 by Mattias Ergon and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Near-infrared evolution of the equatorial ring of SN 1987A
29 May 2023 by Tuomas Kangas and others
Solar and Stellar Astrophysics, Astrophysics of Galaxies
JWST NIRSpec observations of Supernova 1987A -- from the inner ejecta to the reverse shock
16 May 2023 by Jonathan Larsson and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
A Low-Mass Helium Star Progenitor Model for the Type Ibn SN 2020nxt
8 May 2023 by Qinan Wang and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
SN2020qlb: A hydrogen-poor superluminous supernova with well-characterized light curve undulations
7 December 2022 by S. West and others
High Energy Astrophysical Phenomena
The Zwicky Transient Facility phase I sample of hydrogen-rich superluminous supernovae without strong narrow emission lines
25 July 2022 by Tuomas Kangas and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Spectral modelling of Type IIb Supernovae
22 June 2022 by Mattias Ergon and Claes Fransson
Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena
SN 2019zrk, a bright SN 2009ip analog with a precursor
13 June 2022 by Claes Fransson and others
High Energy Astrophysical Phenomena
The morphology of the ejecta of SN 1987A at 31 years from 1150 to 10000 Å
16 December 2021 by Tuomas Kangas and others
High Energy Astrophysical Phenomena, Astrophysics of Galaxies
A WC/WO star exploding within an expanding carbon-oxygen-neon nebula
24 November 2021 by Avishy Gal-Yam and others at LogoCaltech
Solar and Stellar Astrophysics, Astrophysics of Galaxies
Clumps and rings of ejecta in SNR 0540-69.3 as seen in 3D
27 September 2021 by Jonathan Larsson and others
High Energy Astrophysical Phenomena, Astrophysics of Galaxies
Thermal Emission and Radioactive Lines, but No Pulsar, in the Broadband X-Ray Spectrum of Supernova 1987A
25 May 2021 by Dennis Alp and others
High Energy Astrophysical Phenomena
The luminous and rapidly evolving SN 2018bcc: Clues toward the origin of Type Ibn SNe from the Zwicky Transient Facility
4 January 2021 by Emir Karamehmetoglu and others
High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics
Four (Super)luminous Supernovae from the First Months of the ZTF Survey
28 September 2020 by Ragnhlid Lunnan and others
High Energy Astrophysical Phenomena
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