GRB seminar log (Apr. 2026-)
各地の研究拠点を結ぶオンライン会議。突発天体・高エネルギー天体の研究・情報を速報で共有する。
- 日時：毎週火曜日 午後12時00分より
- 場所：zoomでの開催
- 司会：西浦怜(天体核D2）（2024年度後期〜） ← 後藤瞭太(東大宇宙線研D3）（2024年度〜） ← 和田知己(東大宇宙線) (2022年度〜) ← 高橋和也(基研PD）（2018年度〜） ← 松本達矢(天体核D3)（2017年度）
2026/5/12
論文紹介
- Type Ib Supernovae are bluer than Type Ic Supernovae(Hamidani)
[arXiv:2605.01200]
- Evidence for GeV emission of the superluminous supernova SN 2017egm(村瀬)
[arXiv:2407.05968]
- On the Gamma-ray Efficiency of Superluminous Supernovae: Potential Detections and Population-Level Constraints(村瀬)
[arXiv:2604.16595]
- The GlimmIr: Spectroscopic Variability in a z~7 LRD Indicates Rapid Changes in Both the Narrow and Broad Line Regions(井岡)
[arXiv:2604.25991]
- XRF 241001A/SN 2024aiiq: A Faint Soft X-ray Transient Detected by SVOM with a Broad-Line Type Ic Supernova Revealed by JWST(井岡)
[arXiv:2604.20346]
- On the polarization position angle jumps in FRB 20240114A(井岡)
[arXiv:2604.28012]
- Backlighting the Cosmic Web with Fast Radio Bursts: An Anthology of Dispersion Measure Cross-Correlations with Large-Scale Structure and Baryon Tracers(井岡)
[arXiv:2604.22105]
- Baryons in the Darkest Sites of the Universe(井岡)
[arXiv:2605.01994]
- Self-acceleration of Hardening Binaries(井岡)
[arXiv:2605.00976]
2026/4/28
論文紹介
- From Internal Collision to Photon Escape: First-Principles Modeling of Radiation-Mediated Shocks in Gamma-Ray Burst Photospheres(松井)
[arXiv:2604.07453]
- Ultra-high-energy $γ$-ray imprints from PeV particles accelerated by supernova remnants(霜田)
[arXiv:2604.22621]
- Variability of Sagittarius A* at 3 GHz on minute-scale with MeerKAT(霜田)
[arXiv:2604.22638]
- An Archival Optical Counterpart Search for Extragalactic Fast X-Ray Transients Discovered by Einstein Probe(Hamidani)
[arXiv:2602.06321]
- XRF 241001A/SN 2024aiiq: A Faint Soft X-ray Transient Detected by SVOM with a Broad-Line Type Ic Supernova Revealed by JWST(Hamidani)
[arXiv:2604.20346]
- Multi-wavelength study of EP250416a / GRB 250416C: An Optically Dark Long GRB with a Late Jet Break(Hamidani)
[arXiv:2604.21624]
2026/4/21
論文紹介
- Detection of the optical counterpart of the transient ULX NGC300 ULX-1: a nascent black hole - neutron star binary?(鈴木)
[arXiv:2503.02120]
- JWST spectroscopy of SN 2010da/NGC 300 ULX-1: a surviving star hidden by dust(鈴木)
[arXiv:2604.13711]
- GRB 210704A: A Luminous Fast Blue Transient in a GRB Afterglow at $z = 2.34$(Hamidani)
[arXiv:2604.14343]
- A fast X-ray transient with chromatic flares: signatures of violent collisions induced by late-time central engine reactivation(Hamidani)
[arXiv:2604.14341]
- The Cliff: A Metal-Poor Little Red Dot Hosting an Overmassive Black Hole at $z = 3.55$(井岡)
[arXiv:2604.09177]
- How I Wonder What You Are -- JWST's Little Red Dots do not TWINKLE(井岡)
[arXiv:2604.13000]
- Discovery of low-redshift analogues to "Little Red Dots" in DESI: A later evolutionary stage of compact LRDs?(井岡)
[arXiv:2604.14551]
- Euclid: Scaled-up little red dots and other sources with v-shaped spectral energy distributions at z>4(井岡)
[arXiv:2604.16178]
- Joint Observation of SGR J1935+2154 with \textit{Insight}-HXMT and KM40m during the active episode of October 2022(井岡)
[arXiv:2604.10131]
- Gardening on the Moon: An Advection-Diffusion Model to Guide the Search for Supernova Debris in the Lunar Regolith(井岡)
[arXiv:2604.09524]
2026/4/14
論文紹介
- A Unified Model for Shock Interaction and $γ$-Ray Emission in Classical Novae(松本)
[arXiv:2604.06310]
- GLIMPSED: Direct evidence for a fast AGN-driven outflow from a z=6.64 Little Red Dot host galaxy(西浦)
[arXiv:2604.08687]
- Neutron Star Merger Rates from Multi-messenger Observations: Clues to the Physical Origin of the Short and Long-short Gamma-ray Bursts(衣川)
[arXiv:2604.06772]
- Implications of low neutron star merger rates for gamma-ray bursts, r-process production and Galactic double neutron stars(井岡)
[arXiv:2604.05059]
- Wide Jets or Low Rates: Reconciling Short GRB and Gravitational-Wave Neutron Star Merger Rates(井岡)
[arXiv:2604.05046]
- The Jet Opening Angle and Event Rate Distributions of Short Gamma-ray Bursts from Late-time X-ray Afterglows(Hamidani)
[arXiv:2210.05695]
- Wings of little dots: Exponential broad lines from a stratified BLR(井岡)
[arXiv:2604.04216]
- SPURS: Evidence for Clumpy Neutral Envelopes and Ionized IGM Surrounding Little Red Dots in Abell 2744 from Ultra-Deep Rest-UV Spectroscopy(井岡)
[arXiv:2604.03563]
- Holes in the BH$^\star$? AGN signatures in the FUV spectrum of a black-hole dominated Little Red Dot at $z=7.04$(井岡)
[arXiv:2604.03370]
- Great Walls of Cosmic Baryons in the Northern Sky(井岡)
[arXiv:2604.05093]
- GECAM discovery of a peculiar magnetar X-ray burst (MXB 221120) from SGR J1935+2154 associated with a fast radio burst(井岡)
[arXiv:2604.02261]
- The host galaxies and merger environments of short and long gamma-ray bursts producing kilonovae(井岡)
[arXiv:2604.06586]
- Probing the Planck scale with quantum computation(井岡)
[arXiv:2604.06322]
2026/4/7
論文紹介
- Constraining the PeV gamma-ray emission zone of Cygnus X-3 with contemporaneous GeV timing and spectral observations(霜田)
[arXiv:2604.04768]
- The Delay Time Distribution of Tidal Disruption Events(霜田)
[arXiv:2604.04831]
- An Intertwined Short and Long GRB with 4-minute Separation(Hamidani)
[arXiv:2603.28699]
- Relativistic \(^{56}\text{Ni}\) Decay Lines in GRB 221009A(Hamidani)
[arXiv:2603.10151]
- Making a Short Gamma-Ray Burst from a Long one: Implications for the Nature of GRB 060614(Hamidani)
[arXiv:0612238]
- There is a short gamma-ray burst prompt phase at the beginning of each long one(Hamidani)
[arXiv:1408.1608]
- An energetic dirty fireball detected in soft X-rays(井岡)
[arXiv:2603.26213]
- A PANORAMIC of UV-optical morphologies of "Little Red Dots": Two groups of LRDs distinguished by UV half-light radius(井岡)
[arXiv:2603.24700]
- A Black Hole Star at Cosmic Noon: Extreme Balmer break, photospheric continuum, and broad absorption by thick winds in a Little Red Dot at z=1.7(井岡)
[arXiv:2603.28335]
- Little Red and Blue Dots: simply stratified Broad Line Regions(井岡)
[arXiv:2603.22277]
- A quasi-star is born: formation and evolution of accreting quasi-stars as a metallicity-independent pathway to Little Red Dots(井岡)
[arXiv:2603.21714]
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