Search Results - "Della Valle, M"
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The Peculiar Short-duration GRB 200826A and Its Supernova
Published in The Astrophysical journal (01-06-2022)“…Abstract Gamma-ray bursts (GRBs) are classified into long and short events. Long GRBs (LGRBs) are associated with the end states of very massive stars, while…”
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2
The Early Detection and Follow-up of the Highly Obscured Type II Supernova 2016ija/DLT16am
Published in The Astrophysical journal (20-01-2018)“…Abstract We present our analysis of the Type II supernova DLT16am (SN 2016ija). The object was discovered during the ongoing (DLT40) one-day cadence supernova…”
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3
The association of GRB 060218 with a supernova and the evolution of the shock wave
Published in Nature (31-08-2006)“…Although the link between long γ-ray bursts (GRBs) and supernovae has been established, hitherto there have been no observations of the beginning of a…”
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4
GRB-SN Association within the Binary-driven Hypernova Model
Published in The Astrophysical journal (01-10-2023)“…Abstract Observations of supernovae (SNe) Ic occurring after the prompt emission of long gamma-ray bursts (GRBs) are addressed within the binary-driven…”
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On the diversity of superluminous supernovae: ejected mass as the dominant factor
Published in Monthly notices of the Royal Astronomical Society (01-10-2015)“…We assemble a sample of 24 hydrogen-poor superluminous supernovae (SLSNe). Parameterizing the light-curve shape through rise and decline time-scales shows that…”
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6
Unveiling the origin of X-ray flares in gamma-ray bursts
Published in Monthly notices of the Royal Astronomical Society (21-08-2010)“…We present an updated catalogue of 113 X-ray flares detected by Swift in the ∼33 per cent of the X-ray afterglows of gamma-ray burst (GRB). 43 flares have a…”
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7
Beryllium detection in the very fast nova ASASSN-16kt (V407 Lupi)
Published in Monthly notices of the Royal Astronomical Society (01-08-2018)“…Abstract We present high-resolution spectroscopic observations of the fast nova ASASSN-16kt (V407 Lup). A close inspection of spectra obtained at early stages…”
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The unusual gamma-ray burst GRB 101225A explained as a minor body falling onto a neutron star
Published in Nature (London) (01-12-2011)“…Two views of Christmas γ-ray burst The Christmas γ-ray burst of 25 December 2010 (GRB 101225A, first detected by the Swift orbiting observatory) was a very…”
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Probing Electromagnetic Gravitational-wave Emission Coincidence in a Type I Binary-driven Hypernova Family of Long Gamma-Ray Bursts at Very High Redshift
Published in The Astrophysical journal (01-05-2024)“…Abstract The repointing time of the X-Ray Telescope (XRT) instrument on the Neil Gehrels Swift Observatory satellite has posed challenges in observing and…”
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10
Polystyrene nanoplastics affect the human ubiquitin structure and ubiquitination in cells: a high-resolution study
Published in Chemical science (Cambridge) (23-11-2022)“…Humans are estimated to consume several grams per week of nanoplastics (NPs) through exposure to a variety of contamination sources. Nonetheless, the effects…”
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An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova
Published in Nature (London) (21-12-2006)“…Gamma-ray bursts (GRBs) are short, intense flashes of soft gamma-rays coming from the distant Universe. Long-duration GRBs (those lasting more than…”
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12
How many supernovae are we missing at high redshift?
Published in Monthly notices of the Royal Astronomical Society (21-05-2007)“…Near-infrared and radio searches for core-collapse supernovae (CC SNe) in the local universe have shown that the vast majority of the events occurring in…”
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13
Nebular emission-line profiles of Type Ib/c supernovae – probing the ejecta asphericity
Published in Monthly notices of the Royal Astronomical Society (01-08-2009)“…In order to assess qualitatively the ejecta geometry of stripped-envelope core-collapse supernovae (SNe), we investigate 98 late-time spectra of 39 objects,…”
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14
The MUSE view of the host galaxy of GRB 100316D
Published in Monthly notices of the Royal Astronomical Society (01-12-2017)“…Abstract The low distance, z = 0.0591, of GRB 100316D and its association with SN 2010bh represent two important motivations for studying this host galaxy and…”
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15
The Type IIP SN 2007od in UGC 12846: from a bright maximum to dust formation in the nebular phase
Published in Monthly notices of the Royal Astronomical Society (01-10-2011)“…Ultraviolet, optical and near-infrared observations of the Type IIP supernova (SN) 2007od, covering from maximum light to late phases, allow detailed…”
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SN 2012ec: mass of the progenitor from PESSTO follow-up of the photospheric phase
Published in Monthly notices of the Royal Astronomical Society (11-04-2015)“…We present the results of a photometric and spectroscopic monitoring campaign of SN 2012ec, which exploded in the spiral galaxy NGC 1084, during the…”
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SN 2017ivv: two years of evolution of a transitional Type II supernova
Published in Monthly notices of the Royal Astronomical Society (01-11-2020)“…ABSTRACT We present the photometric and spectroscopic evolution of the Type II supernova (SN II) SN 2017ivv (also known as ASASSN-17qp). Located in an…”
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18
A deep study of the high–energy transient sky
Published in Experimental astronomy (01-06-2021)“…The coming decades will establish the exploration of the gravitational wave (GW) Universe over a broad frequency range by ground and space interferometers…”
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A new formulation of the Type Ia supernova rate and its consequences on galactic chemical evolution
Published in Monthly notices of the Royal Astronomical Society (11-10-2006)“…In recent papers, Mannucci et al. and Mannucci, Della Valle & Panagia suggested, on the basis of observational arguments, that there is a bimodal distribution…”
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Understanding the origin of the positron annihilation line and the physics of supernova explosions
Published in Experimental astronomy (01-06-2021)“…Nuclear astrophysics, and particularly nuclear emission line diagnostics from a variety of cosmic sites, has remained one of the least developed fields in…”
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