Search Results - "Yam, A."
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HOST-GALAXY PROPERTIES OF 32 LOW-REDSHIFT SUPERLUMINOUS SUPERNOVAE FROM THE PALOMAR TRANSIENT FACTORY
Published in The Astrophysical journal (10-10-2016)“…ABSTRACT We present ultraviolet through near-infrared photometry and spectroscopy of the host galaxies of all superluminous supernovae (SLSNe) discovered by…”
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LONG-DURATION SUPERLUMINOUS SUPERNOVAE AT LATE TIMES
Published in The Astrophysical journal (20-01-2017)“…ABSTRACT Nebular-phase observations and spectral models of Type Ic superluminous supernovae (SLSNe) are presented. LSQ14an and SN 2015bn both display late-time…”
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FLASH SPECTROSCOPY: EMISSION LINES FROM THE IONIZED CIRCUMSTELLAR MATERIAL AROUND <10-DAY-OLD TYPE II SUPERNOVAE
Published in The Astrophysical Journal (10-02-2016)“…ABSTRACT Supernovae (SNe) embedded in dense circumstellar material (CSM) may show prominent emission lines in their early-time spectra (≤10 days after the…”
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A massive hypergiant star as the progenitor of the supernova SN 2005gl
Published in Nature (London) (16-04-2009)“…Our understanding of the evolution of massive stars before their final explosions as supernovae is incomplete, from both an observational and a theoretical…”
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From core collapse to superluminous: the rates of massive stellar explosions from the Palomar Transient Factory
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT We present measurements of the local core-collapse supernova (CCSN) rate using SN discoveries from the Palomar Transient Factory (PTF). We use a Monte…”
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Light Curves of Hydrogen-poor Superluminous Supernovae from the Palomar Transient Factory
Published in The Astrophysical journal (20-06-2018)“…We investigate the light-curve properties of a sample of 26 spectroscopically confirmed hydrogen-poor superluminous supernovae (SLSNe-I) in the Palomar…”
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Far-ultraviolet to Near-infrared Spectroscopy of a Nearby Hydrogen-poor Superluminous Supernova Gaia16apd
Published in The Astrophysical journal (01-05-2017)“…We report the first maximum-light far-ultraviolet (FUV) to near-infrared (NIR) spectra (1000 − 1.62 m, rest) of a hydrogen-poor superluminous supernova,…”
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iPTF16fnl: A Faint and Fast Tidal Disruption Event in an E+A Galaxy
Published in The Astrophysical journal (20-07-2017)“…We present ground-based and Swift observations of iPTF16fnl, a likely tidal disruption event (TDE) discovered by the intermediate Palomar Transient Factory…”
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The bolometric light curves and physical parameters of stripped-envelope supernovae
Published in Monthly notices of the Royal Astronomical Society (21-05-2016)“…The optical and optical/near-infrared pseudo-bolometric light curves of 85 stripped-envelope supernovae (SNe) are constructed using a consistent method and a…”
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The rising light curves of Type Ia supernovae
Published in Monthly notices of the Royal Astronomical Society (01-02-2015)“…We present an analysis of the early, rising light curves of 18 Type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory and the La Silla-QUEST…”
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On the nature of hydrogen-rich superluminous supernovae
Published in Monthly notices of the Royal Astronomical Society (21-03-2018)“…Abstract We present two hydrogen-rich superluminous supernovae (SLSNe): SN2103hx and PS15br. These objects, together with SN2008es, are the only SLSNe showing…”
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Hubble Space Telescope spectra of the Type Ia supernova SN 2011fe: a tail of low-density, high-velocity material with Z < Z
Published in Monthly notices of the Royal Astronomical Society (01-04-2014)“…Hubble Space Telescope spectroscopic observations of the nearby Type Ia supernova (SN Ia) SN 2011fe, taken on 10 epochs from −13.1 to +40.8 d relative to…”
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Simultaneous esterification/transesterification of waste cooking oil and Jatropha curcas oil with MOF-5 as a heterogeneous acid catalyst
Published in International journal of environmental science and technology (Tehran) (01-11-2021)“…Metal–organic framework MOF-5 was used for the first time as a heterogeneous acid catalyst for the simultaneous esterification/transesterification of two…”
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Supernovae in the Subaru Deep Field: the rate and delay-time distribution of Type Ia supernovae out to redshift 2
Published in Monthly notices of the Royal Astronomical Society (01-10-2011)“…The Type Ia supernova (SN Ia) rate, when compared to the cosmic star formation history (SFH), can be used to derive the delay-time distribution (DTD; the…”
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A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary
Published in Science (American Association for the Advancement of Science) (12-10-2018)“…Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions. The final stages…”
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Automating Discovery and Classification of Transients and Variable Stars in the Synoptic Survey Era
Published in Publications of the Astronomical Society of the Pacific (01-11-2012)“…ABSTRACT The rate of image acquisition in modern synoptic imaging surveys has already begun to outpace the feasibility of keeping astronomers in the real-time…”
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Two New Calcium-rich Gap Transients in Group and Cluster Environments
Published in The Astrophysical journal (10-02-2017)“…We present the Palomar Transient Factory discoveries and the photometric and spectroscopic observations of PTF11kmb and PTF12bho. We show that both transients…”
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The host galaxies of Type Ia supernovae discovered by the Palomar Transient Factory
Published in Monthly notices of the Royal Astronomical Society (21-02-2014)“…We present spectroscopic observations of the host galaxies of 82 low-redshift Type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory. We…”
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A WC/WO star exploding within an expanding carbon–oxygen–neon nebula
Published in Nature (London) (13-01-2022)“…The final fate of massive stars, and the nature of the compact remnants they leave behind (black holes and neutron stars), are open questions in astrophysics…”
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Investigating the properties of stripped-envelope supernovae; what are the implications for their progenitors?
Published in Monthly notices of the Royal Astronomical Society (2019)“…ABSTRACT We present observations and analysis of 18 stripped-envelope supernovae observed during 2013–2018. This sample consists of five H/He-rich SNe, six…”
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