Search Results - "Afsariardchi, Niloufar"
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1
Aspherical Supernovae: Effects on Early Light Curves
Published in The Astrophysical journal (01-04-2018)“…Early light from core-collapse supernovae, now detectable in high-cadence surveys, holds clues to a star and its environment just before it explodes. However,…”
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Journal Article -
2
The Nickel Mass Distribution of Stripped-envelope Supernovae: Implications for Additional Power Sources
Published in The Astrophysical journal (01-09-2021)“…Abstract We perform a systematic study of the 56 Ni mass ( M Ni ) of 27 stripped-envelope supernovae (SESNe) by modeling their light-curve tails, highlighting…”
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Journal Article -
3
A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star-Black Hole Merger GW190814
Published in The Astrophysical journal (01-06-2020)“…We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star-black hole (NS-BH) merger GW190814/S190814bv. This…”
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Journal Article -
4
The Origin and Evolution of the Normal Type Ia SN 2018aoz with Infant-phase Reddening and Excess Emission
Published in The Astrophysical journal (01-03-2023)“…Abstract SN 2018aoz is a Type Ia SN with a B -band plateau and excess emission in infant-phase light curves ≲1 day after the first light, evidencing an…”
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Journal Article -
5
The Progenitors and Light Curves of Core-Collapse Supernovae
Published 01-01-2020“…Core-collapse supernovae (CCSNe) theories have been long developed to link the observed SNe to their physical properties. Despite past endeavors, CCSN research…”
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Dissertation -
6
Rapidly Declining Hostless Type Ia Supernova KSP-OT-201509b from the KMTNet Supernova Program: Transitional Nature and Constraint on 56 Ni Distribution and Progenitor Type
Published in The Astrophysical journal (01-04-2021)“…Abstract We report the early discovery and multicolor ( BVI ) high-cadence light-curve analyses of the rapidly declining sub-Chandrasekhar Type Ia supernova…”
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Journal Article -
7
Rapidly Declining Hostless Type Ia Supernova KSP-OT-201509b from the KMTNet Supernova Program: Transitional Nature and Constraint on 56Ni Distribution and Progenitor Type
Published in The Astrophysical journal (01-04-2021)“…We report the early discovery and multicolor (BVI) high-cadence light-curve analyses of the rapidly declining sub-Chandrasekhar Type Ia supernova…”
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Journal Article -
8
High-cadence Multi-color Observations of the Dwarf Nova KSP-OT-201503a by the KMTNet Supernova Program
Published in The Astrophysical journal (10-06-2018)“…We report multicolor BVI monitoring and spectroscopic classification of the dwarf nova KSP-OT-201503a. The transient was detected by the Korean Microlensing…”
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Journal Article -
9
KSP-SN-2016kf: A Long-rising H-rich Type II Supernova with Unusually High 56 Ni Mass Discovered in the KMTNet Supernova Program
Published in The Astrophysical journal (10-08-2019)“…Abstract We present the discovery and the photometric and spectroscopic study of H-rich Type II supernova (SN) KSP-SN-2016kf (SN2017it) observed in the KMTNet…”
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Journal Article -
10
KSP-SN-2016kf: A Long-rising H-rich Type II Supernova with Unusually High 56Ni Mass Discovered in the KMTNet Supernova Program
Published in The Astrophysical journal (10-08-2019)“…We present the discovery and the photometric and spectroscopic study of H-rich Type II supernova (SN) KSP-SN-2016kf (SN2017it) observed in the KMTNet Supernova…”
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Journal Article -
11
Infant-phase reddening by surface Fe-peak elements in a normal type Ia supernova
Published in Nature astronomy (01-05-2022)“…Type Ia supernovae are thermonuclear explosions of white dwarf stars. They play a central role in the chemical evolution of the Universe and are an important…”
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Journal Article -
12
Aspherical Supernovae: Effects on Early Light Curves
Published 09-03-2018“…Early light from core-collapse supernovae, now detectable in high-cadence surveys, holds clues to a star and its environment just before it explodes. However,…”
Get full text
Journal Article -
13
The Nickel Mass Distribution of Stripped-Envelope Supernovae: Implications for Additional Power Sources
Published 16-06-2021“…We perform a systematic study of the $^{56}$Ni mass ($M_{\rm Ni}$) of 27 stripped envelope supernovae (SESNe) by modeling their light-curve tails, highlighting…”
Get full text
Journal Article -
14
Rapidly-Declining Hostless Type Ia Supernova KSP-OT-201509b from the KMTNet Supernova Program: Transitional Nature and Constraint on $^{56}$Ni Distribution and Progenitor Type
Published 30-03-2021“…We report the early discovery and multi-color ($BVI$) high-cadence light curve analyses of a rapidly-declining sub-Chandrasekhar Type Ia supernova…”
Get full text
Journal Article -
15
A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star -- Black Hole Merger GW190814
Published 13-05-2020“…We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star - black hole (NS-BH) merger GW190814/S190814bv. This…”
Get full text
Journal Article -
16
The origin and evolution of the normal Type Ia SN 2018aoz with infant-phase reddening and excess emission
Published 24-06-2022“…SN~2018aoz is a Type Ia SN with a $B$-band plateau and excess emission in the infant-phase light curves $\lesssim$ 1 day after first light, evidencing an…”
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Journal Article -
17
Infant-phase reddening by surface Fe-peak elements in a normal Type Ia Supernova
Published 17-02-2022“…Type Ia Supernovae are thermonuclear explosions of white dwarf stars. They play a central role in the chemical evolution of the Universe and are an important…”
Get full text
Journal Article -
18
KSP-SN-2016kf: a long-rising H-rich Type II Supernova with unusually high $^{56}$Ni mass discovered in the KMTNet Supernova Program
Published 21-06-2019“…We present the discovery and the photometric and spectroscopic study of H-rich Type II supernova (SN) KSP-SN-2016kf (SN2017it) observed in the KMTNet Supernova…”
Get full text
Journal Article