Results 111 to 120 of about 89,753 (219)

Non-Thermal Aspects of Supernova Remnants

open access: yes, 1982
Supernova remnants have played a vital part in the development of modern astronomy. The discovery and identification of the radio sources Taurus A and Cassiopeia A provided a crucial impetus to the then infant science of radio astronomy.
Blandford, R. D., R. D. Blandford
core   +1 more source

Remnants of Stars Past - The Formation of Supernova Remnants

open access: yes
All stars die. Some stars die more violently than others. Supernovae occur when a star cannot resist the pull of gravity and collapses in on itself, causing a huge explosion to occur.
Tusler, Josiah
core   +1 more source

The evolution of mass loaded supernova remnants

open access: yes, 2002
We describe the evolution of spherically symmetric supernova remnants in which mass addition takes place from embedded clouds. We derive simple approximations to the remnant evolution which can be used for investigating the generation of supernova ...
T. W. Hartquist   +2 more
core   +1 more source

Shock Wave Precursors in M33 Supernova Remnants

open access: yesThe Astrophysical Journal
We present high-resolution profiles of the H α , [N II ], and [O III ] lines of supernova remnants (SNRs) in M33. The 8 km s ^−1 resolution allows us to separate emission from the photoionized shock precursors from the emission from shocked gas.
John C. Raymond   +2 more
doaj   +1 more source

Continuous solutions of cosmic-rays and waves in astrophysical environments. [PDF]

open access: yesSci Rep, 2023
Irshad K   +5 more
europepmc   +1 more source

Regions of Suppressed Diffusion around Supernova Remnants?

open access: yesThe Astrophysical Journal
The recent discovery of the so-called TeV halos has attracted much attention. The morphology of the emission requires that the region is characterized by severe suppression of the diffusion coefficient. This finding raises many questions as to its origin:
Yiwei Bao, Pasquale Blasi, Yang Chen
doaj   +1 more source

Supernova remnants in M33

open access: yes, 1978
A summary is given of optical observations and radio observations connected with the successful identification of three supernova remnants in M33. The optical observations also allow a discussion of element abundances, while the radio observations have ...
Danziger, I J
core  

Single versus Binary Origin: The Diversity of Stripped-envelope Supernova Remnants

open access: yesThe Astrophysical Journal
Core-collapse supernova remnants (CCSNRs) are crucial for understanding the final stages of massive star evolution, as they reflect the imprints of their progenitors’ preexplosion activities.
Gaku Kawashima   +3 more
doaj   +1 more source

Revisiting the Supernova Engines in the 3C 397 and W49B Supernova Remnants

open access: yesThe Astrophysical Journal
The nature of the supernova remnants (SNRs) 3C 397 and W49B has long been a subject of debate, with prior studies offering conflicting interpretations between thermonuclear and core-collapse scenarios. To help settle this debate, we present a systematic,
Cole Treyturik   +4 more
doaj   +1 more source

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