Results 31 to 40 of about 2,839 (226)

Multimessenger Diagnostics of the Engine behind Core-collapse Supernovae

open access: yesThe Astrophysical Journal, 2023
Core-collapse supernova explosions play a wide role in astrophysics by producing compact remnants (neutron stars or black holes) and the synthesis and injection of many heavy elements into their host galaxy.
Christopher L. Fryer   +8 more
doaj   +1 more source

A sample of Type II-L supernovae [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2014
MNRAS in ...
Faran, T.   +10 more
openaire   +2 more sources

Nlte-Effects in Supernovae Type II Photospheres [PDF]

open access: yesHighlights of Astronomy, 1986
AbstractIn order to provide accurate fluxes of supernovae Type II as needed for the application of the Baade-Wesselink method we have constructed spherical model photospheres for these objects under the assumption that hydrogen and helium are in statistical equilibrium.
P. Höflich, R. Wehrse, G. Shaviv
openaire   +1 more source

The Large Magellanic Cloud Supernova Remnant MCSNR J0550-6823

open access: yesThe 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
doaj   +1 more source

Dust formation in primordial Type II supernovae [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2001
11 pages, LaTeX, 11 figures, MNRAS ...
Todini, Paolo, Ferrara, Andrea
openaire   +2 more sources

SN 2023ixf: The Closest Supernova of the Decade

open access: yesUniverse
Supernova 2023ixf occurred on 18 May 2023 in the nearby galaxy Messier 101 (D≈6.85 Mpc), making it the closest supernova in the last decade. Following its discovery, astronomers around the world rushed to observe the explosion across the electromagnetic ...
Wynn Jacobson-Galán
doaj   +1 more source

Locating Type II-P Supernovae Using the Expanding Photosphere Method. I. Comparing Distances from Different Line Velocities

open access: yesThe Astrophysical Journal, 2023
W present the results of our work testing a version of the Expanding Photosphere Method (EPM) used by Hamuy et al. and Dessart & Hillier to calculate distances to Type II-P supernovae, accounting for the deviations of their luminosities from those of ...
R. C. Mitchell   +5 more
doaj   +1 more source

Recent Type II Radio Supernovae

open access: yesAIP Conference Proceedings, 2007
We present the results of radio observations, taken primarily with the Very Large Array, of Supernovae 1993J, 2001gd, 2001em, 2002hh, 2004dj, and 2004et. We have fit a parameterized model to the multi-frequency observations of each supernova. We compare the observed and derived radio properties of these supernovae by optical classification and discuss ...
C. J. Stockdale   +9 more
openaire   +2 more sources

Spectral modeling of type II supernovae [PDF]

open access: yesAstronomy & Astrophysics, 2019
We present substantial extensions to the Monte Carlo radiative transfer code TARDIS to perform spectral synthesis for type II supernovae. By incorporating a non-LTE ionization and excitation treatment for hydrogen, a full account of free–free and bound-free processes, a self-consistent determination of the thermal state and by improving the handling of
C. Vogl   +4 more
openaire   +5 more sources

TYPE II-P SUPERNOVAE FROM THE SDSS-II SUPERNOVA SURVEY AND THE STANDARDIZED CANDLE METHOD [PDF]

open access: yesThe Astrophysical Journal, 2009
Accepted for publication by ApJ; data used in this paper can be downloaded from http://sdssdp47.fnal.gov/sdsssn/photometry/SNIIp.tgz; citation errors ...
D’andrea, Chris B.   +26 more
openaire   +7 more sources

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