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|Title:||Hydrogen-Poor Core-Collapse Supernovae||Authors:||PIAN, Elena
Mazzali, Paolo A.
|Issue Date:||2017||Volume:||Handbook of Supernovae||First Page:||277||Abstract:||Hydrogen-poor core-collapse supernovae (SNe) signal the explosive death of stars more massive than the progenitors of hydrogen-rich core-collapse supernovae, i.e., approximately in the range 15-50 M<SUB>☉</SUB> in main sequence. Since hydrogen-poor core-collapse supernovae include those that accompany gamma-ray bursts (GRBs), which were all rigorously identified with type Ic supernovae, their explosion energies cover almost two decades. The light curves and spectra are consequently very heterogeneous and often bear the signature of an asymmetric, i.e., aspherical, explosion. Asphericity is best traced by early-time (within days of the explosion) optical spectropolarimetry and by late-epoch (more than ∼ 100 days after explosion) low-resolution spectroscopy. While the relationship between hydrogen-poor core-collapse supernovae to hydrogen-poor super-luminous supernovae is not understood, a known case of association between an ultra-long gamma-ray burst and a very luminous hydrogen-poor supernova may help unraveling the connection. This is tantalizingly pointing to a magnetar powering source for both phenomena, although this scenario is still highly speculative. Host galaxies of hydrogen-poor supernovae are always star forming; in those of completely stripped supernovae and gamma-ray burst supernovae, the spatial distribution of the explosions follows the blue/ultraviolet light, with a correlation that is more than linear.||URI:||http://hdl.handle.net/20.500.12386/26905||URL:||https://link.springer.com/referenceworkentry/10.1007%2F978-3-319-21846-5_40||ISBN:||978-3-319-21846-5||DOI:||10.1007/978-3-319-21846-5_40||Bibcode ADS:||2017hsn..book..277P||Fulltext:||open|
|Appears in Collections:||2.01 Capitoli o saggi in libro|
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