Results 1 to 10 of about 2,839 (226)
Possible Detection of the Progenitor of the Type II Supernova SN 2023ixf [PDF]
The Astrophysical Journal Letters, 2023 Stellar evolution theory predicts multiple pathways to the explosive deaths of stars as supernovae. Locating and characterizing the progenitors of well-studied supernovae is important to constrain the theory and to justify and design future surveys to ...
Joanne L Pledger, Michael M Shara
doaj +4 more sources
The Type II-P Supernova 2019mhm and Constraints on its Progenitor System [PDF]
The Astrophysical Journal, 2023 We present pre- and postexplosion observations of the Type II-P supernova (SN II-P) 2019mhm located in NGC 6753. Based on optical spectroscopy and photometry, we show that SN 2019mhm exhibits broad lines of hydrogen with a velocity of −8500 ± 200 km s ...
J. Vazquez +6 more
doaj +2 more sources
Early-time Ultraviolet and Optical Hubble Space Telescope Spectroscopy of the Type II Supernova 2022wsp [PDF]
The Astrophysical Journal Letters, 2023 We report early-time ultraviolet (UV) and optical spectroscopy of the young, nearby Type II supernova (SN) 2022wsp obtained by the Hubble Space Telescope (HST)/STIS at about 10 and 20 days after the explosion.
Sergiy S. Vasylyev +12 more
doaj +2 more sources
Type II Supernova Spectral Diversity. II. Spectroscopic and Photometric Correlations [PDF]
The Astrophysical Journal, 2017 We present an analysis of observed trends and correlations between a large range of spectral and photometric parameters of more than 100 type II supernovae (SNe~II), during the photospheric phase. We define a common epoch for all SNe of 50 days post-explosion where the majority of the sample is likely to be under similar physical conditions.
Claudia P. Gutiérrez +9 more
openalex +9 more sources
Binary progenitor systems for Type Ic supernovae [PDF]
Nature CommunicationsCore-collapse supernovae are explosions of massive stars at the end of their evolution. They are responsible for metal production and for halting star formation, having a significant impact on galaxy evolution.
Martín Solar +20 more
doaj +2 more sources
Type II supernova diversity [PDF]
Proceedings of the International Astronomical Union, 2015 AbstractIt is now firmly established that at a significant fraction of hydrogen-rich type II supernovae (SNe II) arise from red supergiant progenitors. However, a large diversity of SN properties exist, and it is presently unclear how this can be understood in terms of progenitor differences and pre-SN stellar evolution. In this contribution, I present
Joseph P. Anderson
openalex +3 more sources
DUST AND THE TYPE II-PLATEAU SUPERNOVA 2004dj [PDF]
The Astrophysical Journal, 2011 ApJ in press; minor changes c.f ...
W. P. S. Meikle +15 more
openalex +6 more sources
Magnetorotational mechanism of supernova type II exlosion [PDF]
International Astronomical Union Colloquium, 2003 SummaryResults of 2D simulations of the magnetorotational mechanism of supernova type II are presented. Amplification of toroidal magnetic field of the star due to differential rotation of the star leads to the transformation of the rotational (gravitational) energy to the energy of the supernova explosion. In our simulation the energy of the explosion
S. G. Moiseenko +2 more
openalex +3 more sources
The Red Supergiant Progenitor of the Type II Supernova 2024abfl [PDF]
The Astrophysical Journal LettersLinkage between core-collapse supernovae and their progenitors is not fully understood and ongoing effort of searching and identifying the progenitors is needed.
Jingxiao Luo +11 more
doaj +2 more sources
Moderately luminous Type II supernovae [PDF]
Astronomy & Astrophysics, 2013 28 pages, 27 fig, accepted by A&A, 3 pages of online material, abstract abridged.
Inserra C. +12 more
openaire +6 more sources