• No results found

Core Collapse Supernovae

Neutrino-Induced Nucleosynthesis in Helium Shells of Early Core-Collapse Supernovae

Neutrino-Induced Nucleosynthesis in Helium Shells of Early Core-Collapse Supernovae

... Observations of the chemical composition in metal-poor stars provide important clues for the source of metal enrichment in the early Galaxy. In this regard, extremely metal-poor (EMP) stars with [Fe / H] ≡ log(Fe / H) − ...

6

On the association between core-collapse supernovae and H II regions

On the association between core-collapse supernovae and H II regions

... The past decade has seen major advances in establishing the pro- genitors of core-collapse supernovae (ccSNe; Smartt 2009). Three discrete subpopulations of hydrogen-rich ccSNe are known exhibit- ing ...

17

Simulations of stripped core-collapse supernovae in close binaries

Simulations of stripped core-collapse supernovae in close binaries

... We perform smoothed-particle hydrodynamical simulations of the explosion of a helium star in a close binary system, and study the effects of the explosion on the companion star as well as the effect of the presence of the ...

19

First targeted search for gravitational-wave bursts from core-collapse supernovae in data of first-generation laser interferometer detectors

First targeted search for gravitational-wave bursts from core-collapse supernovae in data of first-generation laser interferometer detectors

... focus our search and analysis on SNe 2007gr and 2011dh. It is also worth mentioning that a matched filter search for a type-Ib/c supernovae GW database was performed on publicly released LIGO data [79] with no ...

25

Acoustic Wave Dynamics in the Post-Bounce Phase of Core Collapse Supernovae

Acoustic Wave Dynamics in the Post-Bounce Phase of Core Collapse Supernovae

... a core collapse supernova successfully “explodes” is only partially ...resists collapse under its own gravitational weight by thermal ...the core of the star, essentially consisting of lighter ...

160

Experimental Approach to Explosive Hydrogen Burning in X-Ray Bursts and Core-Collapse Supernovae

Experimental Approach to Explosive Hydrogen Burning in X-Ray Bursts and Core-Collapse Supernovae

... Since hydrogen is the most abundant element, there are some sites where hydrogen burns explosively [1]. Typical such nucleosyntheses include the rapid proton-capture process (rp-process) in type I X-ray bursts, and the ...

6

Topics in Core-Collapse Supernova Theory: The Formation of Black Holes and the Transport of Neutrinos

Topics in Core-Collapse Supernova Theory: The Formation of Black Holes and the Transport of Neutrinos

... ing core-collapse supernovae were carried out by Wilson (1971) and van Riper and Arnett ...nonrotating core-collapse supernovae were carried out by Liebend¨ orfer et ...

168

Neutrino-nucleus reactions in supernovae

Neutrino-nucleus reactions in supernovae

... in core-collapse supernovae is well known ...collapsing core, energy emission via neutrinos helps to maintain the low entropy and, as a result, nucleons reside primarily in ...Obviously ...

7

Significance of neutrino-neutrino interaction in neutrino oscillation in core-collapse supernova

Significance of neutrino-neutrino interaction in neutrino oscillation in core-collapse supernova

... Figure 1 and 2 shows the variation of distance K with interaction angle. This variation shows the − oscillation probabilities, as a function of the distance in supernova. The graphs obtained clearly indicate strong − ...

7

Neutrino nucleosynthesis in core-collapse Supernova explosions

Neutrino nucleosynthesis in core-collapse Supernova explosions

... in core collapse supernovae for stars with initial masses between 15 and 40 M with an extended set of neutrino-nucleus interaction cross-sections and reduced neutrino energies in agreement with ...

6

Core Collapse Supernova Physics in the Multi Messenger Era

Core Collapse Supernova Physics in the Multi Messenger Era

... support and positive influence has helped push me through to the finish line 4 . Julie, your cross-stitch will forever have a place on my fridge for morn- ing (and any time) motivation. To Alex Urban, thank you for being ...

236

Core-Collapse Supernova neutrino detection prospects with the KM3NeT neutrino telescopes.

Core-Collapse Supernova neutrino detection prospects with the KM3NeT neutrino telescopes.

... Abstract. Core Collapse Supernovae (CCSN) are explosive phenomena that may occur at the end of the life of massive stars, releasing over 99% of the energy through neutrino emission with energies on ...

5

Modeling Rapidly Fading Supernovae as Nickel Free Core Collapse Explosions of Extended Helium Stars

Modeling Rapidly Fading Supernovae as Nickel Free Core Collapse Explosions of Extended Helium Stars

... of supernovae (SNe), the explosive deaths of stars (Baade & Zwicky 1934), the field has evolved from a study of single objects to a study of ...the core- collapse supernovae they then ...

147

Core-collapse supernova progenitor constraints using the spatial distributions of massive stars in local galaxies

Core-collapse supernova progenitor constraints using the spatial distributions of massive stars in local galaxies

... for core-collapse supernovae (CCSNe) in the literature to connect CCSNe of di ff erent types with the initial masses of their progenitors and to test the validity of progenitor mass estimates which ...

19

Testing the magnetar scenario for superluminous supernovae with circular polarimetry

Testing the magnetar scenario for superluminous supernovae with circular polarimetry

... Woosley, Blinnikov & Heger (2007) suggest that collisions be- tween shells of matter ejected by massive stars that undergo an interior instability arising from the production of electron–positron pairs might explain ...

8

A Local Hubble Bubble from Type Ia Supernovae?

A Local Hubble Bubble from Type Ia Supernovae?

... The derived size of the void is insensitive to the choice of parameters in Table 1. The void in all cases encompasses the Ðrst 17 supernovae and is of radius R ^ 70 h~1 Mpc. The global Hubble constant H, ...

10

Detonation shock dynamics of type Ia supernovae

Detonation shock dynamics of type Ia supernovae

... CO core by the He detonation, and hence the core detonation ignition and evolu- tion will take place under quite different conditions than in Fink et al’s CO ...the core, the lower He DSD detonation ...

16

Whatever happened to the progenitors of supernovae 2008cn, 2009kr and 2009md?

Whatever happened to the progenitors of supernovae 2008cn, 2009kr and 2009md?

... In late-time F814W observations of the site of SN 2009md, we find a single point source with identical brightness to the preexplosion source, suggesting some caution in assuming that the[r] ...

11

Deep recurrent neural networks for supernovae classification

Deep recurrent neural networks for supernovae classification

... of supernovae; ( 4 ) galaxy cluster identi fi ...on supernovae classi fi cation using deep recurrent neural ...from supernovae light curves before using machine-learning ...

6

Testing the magnetar scenario for superluminous supernovae with circular polarimetry

Testing the magnetar scenario for superluminous supernovae with circular polarimetry

... In this work, we first time undertake circular polarime- try of Superluminous Supernovae in the visible part of the spectrum. We aim to test the magnetar scenario using cir- cular polarimetry. Our hypothesis is ...

8

Show all 5219 documents...

Related subjects