Search Results - "Kobayashi, Shiho"
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Electromagnetic counterparts to structured jets from gravitational wave detected mergers
Published in Monthly notices of the Royal Astronomical Society (01-12-2017)“…Abstract We show the peak magnitude for orphan afterglows from the jets of gravitational wave (GW) detected black hole/neutron star – neutron star (BH/NS–NS)…”
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Reverse shocks in the relativistic outflows of gravitational wave-detected neutron star binary mergers
Published in Monthly notices of the Royal Astronomical Society (21-10-2019)“…ABSTRACT The afterglows to gamma-ray bursts (GRBs) are due to synchrotron emission from shocks generated as an ultrarelativistic outflow decelerates. A forward…”
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Lateral spreading effects on VLBI radio images of neutron star merger jets
Published in Monthly notices of the Royal Astronomical Society (01-01-2022)“…ABSTRACT Very long baseline interferometry radio images recently proved to be essential in breaking the degeneracy in the ejecta model for the neutron star…”
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The Radio to GeV Afterglow of GRB 221009A
Published in Astrophysical journal. Letters (01-03-2023)“…Abstract GRB 221009A ( z = 0.151) is one of the closest known long γ -ray bursts (GRBs). Its extreme brightness across all electromagnetic wavelengths provides…”
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Polarized Emission from Gamma-Ray Burst Jets
Published in Galaxies (17-11-2017)“…I review how polarization signals have been discussed in the research field of Gamma-Ray Bursts (GRBs). I mainly discuss two subjects in which polarimetry…”
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Light Curves of Gamma-Ray Burst Optical Flashes
Published in The Astrophysical journal (20-12-2000)Get full text
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Gamma-Ray Burst Early Afterglows: Reverse Shock Emission from an Arbitrarily Magnetized Ejecta
Published in The Astrophysical journal (20-07-2005)“…Evidence suggests that gamma-ray burst (GRB) ejecta are likely magnetized, although the degree of magnetization is unknown. When such magnetized ejecta are…”
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A REVERSE SHOCK IN GRB 160509A
Published in The Astrophysical journal (10-12-2016)“…ABSTRACT We present the second multi-frequency radio detection of a reverse shock in a γ-ray burst. By combining our extensive radio observations of the…”
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First ALMA Light Curve Constrains Refreshed Reverse Shocks and Jet Magnetization in GRB 161219B
Published in The Astrophysical journal (01-08-2018)“…We present detailed multiwavelength observations of GRB 161219B at z = 0.1475, spanning the radio to X-ray regimes, and the first Atacama Large…”
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A Millimeter Rebrightening in GRB 210702A
Published in The Astrophysical journal (01-10-2024)“…Abstract We present X-ray to radio frequency observations of the bright long gamma-ray burst GRB 210702A. Our Atacama Large Millimeter/submillimeter Array 97.5…”
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A Reverse Shock in GRB 181201A
Published in The Astrophysical journal (20-10-2019)“…We present comprehensive multiwavelength radio to X-ray observations of GRB 181201A spanning from 150 s to 163 days after the burst, comprising the first joint…”
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Seasonal Changes of Estuarine Gravitational Circulation: Response to the Annual Temperature Change
Published in Estuaries and coasts (01-05-2022)“…Estuarine circulation is a vertical circulation that develops along the salinity gradient in estuaries and nearshore coastal waters. Fresher, and therefore…”
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Gamma-Ray Burst Early Optical Afterglows: Implications for the Initial Lorentz Factor and the Central Engine
Published in The Astrophysical journal (01-10-2003)Get full text
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Variabilities of Gamma-Ray Burst Afterglows: Long-acting Engine, Anisotropic Jet, or Many Fluctuating Regions?
Published in The Astrophysical journal (20-09-2005)“…We show that simple kinematic arguments can give limits on the timescale and amplitude of variabilities in gamma-ray burst (GRB) afterglows, especially when…”
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Effects of forest cover on richness of threatened fish species in Japan
Published in Conservation biology (01-06-2022)“…Estuaries––one of the most vulnerable ecosystems globally––face anthropogenic threats, including biodiversity loss and the collapse of sustainable fisheries…”
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High-resolution surface salinity maps in coastal oceans based on geostationary ocean color images: quantitative analysis of river plume dynamics
Published in Journal of oceanography (01-06-2018)“…Sea surface salinity (SSS) in coastal oceans is a direct indicator of riverine plumes and provides essential information about the ocean environment and…”
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Impact of nighttime hypoxia on ark shell Scapharca broughtonii mortality on a semi-enclosed embayment seabed
Published in Fisheries science (01-03-2019)“…The ark shell Scapharca broughtonii population has decreased markedly in recent years in Nanao Bay, a semi-enclosed embayment in Japan. Continuous measurement…”
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Early Optical Afterglows from Wind-Type Gamma-Ray Bursts
Published in The Astrophysical journal (01-11-2003)Get full text
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GRB 081007 AND GRB 090424: THE SURROUNDING MEDIUM, OUTFLOWS, AND SUPERNOVAE
Published in The Astrophysical journal (10-09-2013)“…We discuss the results of the analysis of multi-wavelength data for the afterglows of GRB 081007 and GRB 090424, two bursts detected by Swift. One of them, GRB…”
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