Energetic charged particles known as Galactic cosmic rays (GCRs) are mostly protons originating from supernova remnants. The solar wind modulates the GCR intensity near-Earth along the solar cycles (SCs) in association with the heliospheric magnetic ...
C. Wuttiya, T. Yeeram
semanticscholar +1 more source
Superluminous supernovae: No threat from Eta Carinae [PDF]
Recently Supernova 2006gy was noted as the most luminous ever recorded, with a total radiated energy of ~10^44 Joules. It was proposed that the progenitor may have been a massive evolved star similar to eta Carinae, which resides in our own galaxy at a ...
Adrian L. Melott+5 more
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Inhomogeneity in the Supernova Remnant Distribution as the Origin of the PAMELA Anomaly [PDF]
Recent measurements of the positron/electron ratio in the cosmic ray (CR) flux exhibits an apparent anomaly, whereby this ratio increases between 10 and 100 GeV.
N. Shaviv, E. Nakar, T. Piran
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Modeling of the Vela complex including the Vela supernova remnant, the binary system γ2 Velorum, and the Gum nebula [PDF]
We study the geometry and dynamics of the Vela complex including the Vela supernova remnant (SNR), the binary system γ 2 Velorum and the Gum nebula. We show that the Vela SNR belongs to a subclass of non-Sedov adiabatic remnants in a cloudy interstellar ...
I. Sushch, B. Hnatyk, A. Neronov
semanticscholar +1 more source
Physics potential of future supernova neutrino observations [PDF]
We point out possible features of neutrino spectra from a future galactic core collapse supernova that will enhance our understanding of neutrino mixing as well as supernova astrophysics.
Amol Dighe+30 more
core +2 more sources
Determination of acceleration mechanism characteristics directly and nonparametrically from observations: Application to supernova remnants [PDF]
We have developed an inversion method for determination of the characteristics of the acceleration mechanism directly and non-parametrically from observations, in contrast to the usual forward fitting of parametric model variables to observations. In two
V. Petrosian, Qingrong Chen
semanticscholar +1 more source
Density profiles of supernova matter and determination of neutrino parameters
The flavor conversion of supernova neutrinos can lead to observable signatures related to the unknown neutrino parameters. As one of the determinants in dictating the efficiency of resonant flavor conversion, the local density profile near the MSW ...
S. P. Mikheyev+2 more
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The day before Betelgeuse dies: identifying a near-earth pre- supernova star from its neutrinos
Parallel Contributed Talk at the "XIX International Workshop on Neutrino Telescopes" on line - 18-26 February ...
openaire +1 more source
THE CHANGING EVENT SURVEY: TRANSIENTS, SPACE DEBRIS & NEOs
Motivated by the promising era of time-domain and multi-messenger astronomy, CHanging Event Survey (CHES) is designed to join the ongoing campaign with a powerful wide-field optical telescope array.
T. Sun, C. Zhang, Y. Ping, X. Wu
semanticscholar +1 more source
The contribution of supernova remnants to the galactic cosmic ray spectrum
The supernova paradigm for the origin of galactic cosmic rays has been deeply affected by the development of the non-linear theory of particle acceleration at shock waves. Here we discuss the implications of applying such theory to the calculation of the
Amato+34 more
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