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Observations from the last decade have indicated the existence of a general class of superluminous supernovae (SLSNe), in which the peak luminosity exceeds 10^{44} erg/s. Here we focus on a subclass of these events, where the light curve is…

太阳与恒星天体物理 · 物理学 2015-06-05 Sivan Ginzburg , Shmuel Balberg

Superluminous supernovae (SLSNe) radiate $\gtrsim 10-100$ times more energy than ordinary stellar explosions, implicating a novel power source behind these enigmatic events. One frequently discussed source, particularly for hydrogen-poor…

高能天体物理现象 · 物理学 2024-10-01 Ore Gottlieb , Brian D. Metzger

We address the issue of the postmaximum bump observed in the light curve of some superluminous supernovae. We rule out the popular mechanism of a circumstellar interaction suggested for the bump explanation. Instead we propose that the…

高能天体物理现象 · 物理学 2022-01-05 Nikolai N. Chugai , Victor P. Utrobin

The discovery of a population of superluminous supernovae (SLSNe), with peak luminosities a factor of ~100 brighter than normal SNe (typically SLSNe have M_V <-21), has shown an unexpected diversity in core-collapse supernova properties.…

高能天体物理现象 · 物理学 2015-06-15 A. J. Levan , A. M. Read , B. D. Metzger , P. J. Wheatley , N. R. Tanvir

The shape of the light curve peak of radioactive--powered core--collapse "stripped--envelope" supernovae constrains the ejecta mass, nickel mass, and kinetic energy by the brightness and diffusion time for a given opacity and observed…

太阳与恒星天体物理 · 物理学 2015-06-23 J. Craig Wheeler , V. Johnson , A. Clocchiatti

Context: It has been suggested that some supernovae (SNe) may be powered by a magnetar formed at the moment of the explosion. While this scenario has mostly been applied to hydrogen-free events, it may be possible also for hydrogen-rich…

高能天体物理现象 · 物理学 2018-11-21 Mariana Orellana , Melina Bersten , Takashi Moriya

A Type IIn supernova (SN) is dominated by the interaction of SN ejecta with the circumstellar medium (CSM). Some SNe IIn (e.g., SN 2006jd) have episodes of re-brightening ("bumps") in their light curves. We present iPTF13z, a SN IIn…

太阳与恒星天体物理 · 物理学 2017-09-21 A. Nyholm , J. Sollerman , F. Taddia , C. Fremling , T. J. Moriya , E. O. Ofek , A. Gal-Yam , A. De Cia , R. Roy , M. M. Kasliwal , Y. Cao , P. E. Nugent , F. J. Masci

By fitting the bolometric light curves of 31 super-luminous supernovae (SLSNe) with the magnetar engine model, we derive the ejecta masses and magnetar parameters for these SLSNe. The lower boundary of magnetic field strengths of SLSN…

高能天体物理现象 · 物理学 2017-05-03 Yun-Wei Yu , Jin-Ping Zhu , Shao-Ze Li , Hou-Jun Lü , Yuan-Chuan Zou

A rapidly spinning, millisecond magnetar is widely considered one of the most plausible power sources for gamma-ray burst-associated supernovae (GRB-SNe). Recent studies have demonstrated that the magnetar model can effectively explain the…

高能天体物理现象 · 物理学 2024-11-21 Amit Kumar , Kaushal Sharma

Recently, researches performed by two groups have revealed that the magnetar spin-down energy injection model with full energy trapping can explain the early-time light curves of SN 2010gx, SN 2013dg, LSQ12dlf, SSS120810 and CSS121015, but…

高能天体物理现象 · 物理学 2015-06-23 S. Q. Wang , L. J. Wang , Z. G. Dai , X. F. Wu

We present the bolometric light curve modeling of 98 hydrogen-poor superluminous supernovae (SLSNe-I) using three types of power inputs: the magnetar model and two kinds of circumstellar interaction models, applying the constant density and…

高能天体物理现象 · 物理学 2025-01-22 Réka Könyves-Tóth

This work presents the semi-analytical light curve modelling results of 11 stripped-envelope SNe (SESNe), where millisecond magnetars potentially drive their light curves. The light-curve modelling is performed utilizing the…

高能天体物理现象 · 物理学 2024-12-13 Amit Kumar

Hydrogen-rich superluminous supernovae (SLSNe II) are rare. The exact mechanism producing their extreme light curve peaks is not understood. Analysis of single events and small samples suggest that CSM interaction is the main responsible…

A number of Type I (hydrogenless) superluminous supernova (SLSN) events have been discovered recently. However, their nature remains debatable. One of the most promising ideas is the shock-interaction mechanism, but only simplified…

高能天体物理现象 · 物理学 2016-09-21 Elena Sorokina , Sergei Blinnikov , Ken'ichi Nomoto , Robert Quimby , Alexey Tolstov

Superluminous supernova (SLSN) lightcurves exhibit a superior diversity compared to their regular luminosity counterparts in terms of rise and decline timescales, peak luminosities and overall shapes. It remains unclear whether this…

高能天体物理现象 · 物理学 2019-04-03 Emmanouil Chatzopoulos , Richard Tuminello

We present analysis of the light curves (LCs) of 77 hydrogen-poor superluminous supernovae (SLSNe-I) discovered during the Zwicky Transient Facility Phase-I operation. We find that the majority (67\%) of the sample can be fit equally well…

We present the light curves of the hydrogen-poor superluminous supernovae (SLSNe-I) PTF12dam and iPTF13dcc, discovered by the (intermediate) Palomar Transient Factory. Both show excess emission at early times and a slowly declining light…

Since the discovery of superluminous supernovae (SLSNe) in the last decade, it has been known that these events exhibit bluer spectral energy distributions than other supernova subtypes, with significant output in the ultraviolet. However,…

太阳与恒星天体物理 · 物理学 2017-01-23 M. Nicholl , E. Berger , R. Margutti , P. K. Blanchard , D. Milisavljevic , P. Challis , B. D. Metzger , R. Chornock

We show that energy deposited into an expanding supernova remnant by a highly magnetic (B ~ 5 x 10^14 G) neutron star spinning at an initial period of P ~ 2-20 ms can substantially brighten the light curve. For magnetars with parameters in…

高能天体物理现象 · 物理学 2014-11-20 Daniel Kasen , Lars Bildsten

Several types of energetic supernovae, such as superluminous supernovae (SLSNe) and broad-line Ic supernovae (Ic-BL SNe), could be powered by the spin-down of a rapidly rotating magnetar. Currently, most models used to infer the parameters…

高能天体物理现象 · 物理学 2023-11-28 Conor M. B. Omand , Nikhil Sarin