Results 31 to 40 of about 199,643 (246)
RX-J0852−4622: THE NEAREST HISTORICAL SUPERNOVA REMNANT – AGAIN
Acta Polytechnica, 2013 RX-J0852−4622, a supernova remnant, is demonstrated to be closer than 500 pc, based on the measurements of the angular radius, the angular expansion rate and the TeV g-ray flux.
Bernd Aschenbach
doaj +1 more source
The Large Magellanic Cloud Supernova Remnant MCSNR J0550-6823
The Astrophysical Journal, 2023 We describe radio, optical, and X-ray observations of this rather faint, old Large Magellanic Cloud (LMC) supernova remnant. The [O iii ] emission forms a distinct shell, the remnant of the outer shock, which encloses the radio and X-ray emission and ...
Frederick D. Seward, Sean D. Points
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A CHANDRASEKHAR MASS PROGENITOR FOR THE TYPE Ia SUPERNOVA REMNANT 3C 397 FROM THE ENHANCED ABUNDANCES OF NICKEL AND MANGANESE [PDF]
, 2015 Despite decades of intense efforts, many fundamental aspects of Type Ia supernovae (SNe Ia) remain elusive. One of the major open questions is whether the mass of an exploding white dwarf (WD) is close to the Chandrasekhar limit.
H. Yamaguchi +10 more
semanticscholar +1 more source
An unusual white dwarf star may be a surviving remnant of a subluminous Type Ia supernova [PDF]
Science, 2017 Unusual star may be supernova debris Type Ia supernovae occur when a white dwarf star is completely destroyed in a thermonuclear explosion. Recently, another class of supernova has been found, dubbed type Iax; these look like type Ia but are much fainter
S. Vennes +6 more
semanticscholar +1 more source
THE FIRST FERMI LAT SUPERNOVA REMNANT CATALOG [PDF]
, 2015 To uniformly determine the properties of supernova remnants (SNRs) at high energies, we have developed the first systematic survey at energies from 1 to 100 GeV using data from the Fermi Large Area Telescope (LAT). Based on the spatial overlap of sources
F. Acero +158 more
semanticscholar +1 more source
DESTRUCTION OF INTERSTELLAR DUST IN EVOLVING SUPERNOVA REMNANT SHOCK WAVES [PDF]
, 2015 Supernova generated shock waves are responsible for most of the destruction of dust grains in the interstellar medium (ISM). Calculations of the dust destruction timescale have so far been carried out using plane parallel steady shocks, however, that ...
J. Slavin, E. Dwek, A. Jones
semanticscholar +1 more source
Progenitors of Recombining Supernova Remnants [PDF]
The Astrophysical Journal Letters, Volume 750, Issue 1, article
id. L13 (2012), 2012 Usual supernova remnants have either ionizing plasma or plasma in collisional ionization equilibrium, i.e., the ionization temperature is lower than or equal to the electron temperature. However, the existence of recombining supernova remnants, i.e., supernova remnants with the ionization temperature higher than the electron temperature, is recently ...
arxiv +1 more source
Non-cosmological FRBs from young supernova remnant pulsars [PDF]
, 2015 We propose a new extra but non-cosmological explanation for fast radio bursts (FRBs) based on very young pulsars in supernova remnants. Within a few hundred years of a core-collapse supernova, the ejecta is confined within similar to 1 pc, providing a ...
L. Connor, J. Sievers, U. Pen
semanticscholar +1 more source
Numerical code for fitting radial emission profile of a shell supernova remnant: Application [PDF]
Serbian Astronomical Journal, 2011 We present IDL (Interactive Data Language) codes for fitting a theoretical emission profile of a shell supernova remnant (SNR) to the mean profile of an SNR obtained from radio observations. Two considered theoretical models are: 1) a shell with
Opsenica Slobodan, Arbutina Bojan
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Examining Neutrino–Matter Interactions in the Cassiopeia A Supernova
The Astrophysical Journal, 2023 Neutrino interactions with stellar material are widely believed to be fundamental to the explosion of massive stars. However, this important process has remained difficult to confirm observationally.
Toshiki Sato +6 more
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