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Authors whose works are in public domain in at least one jurisdiction

List of works by Koji S Kawabata

1-50 of 211 results

An optical supernova associated with the X-ray flash XRF 060218

scientific article published in Nature

The broad-lined Type Ic supernova 2003jd★

scientific article

Subaru imaging and spectroscopy of globular cluster candidates around M82

scientific article

The highly energetic expansion of SN 2010bh associated with GRB 100316D

scientific article published in the Astrophysical Journal

An asymmetric energetic type Ic supernova viewed off-axis, and a link to gamma ray bursts.

scientific article

Gamma-ray emission concurrent with the nova in the symbiotic binary V407 Cygni.

scientific article published in August 2010

Asphericity in supernova explosions from late-time spectroscopy

scientific article published on 31 January 2008

The Type Ic Hypernova SN 2003dh/GRB 030329

scientific article (publication date: 2 December 2003)

A massive star origin for an unusual helium-rich supernova in an elliptical galaxy

scientific article published in Nature

An optical spectrum of the afterglow of a gamma-ray burst at a redshift of z = 6.295

scientific article published in January 2006

The Discovery of Two Lyman α Emitters beyond Redshift 6 in the Subaru Deep Field,

scientific article

Current Performance and On-Going Improvements of the 8.2 m Subaru Telescope

scientific article

The evolution of the peculiar type Ia supernova SN 2005hk over 400 days

scientific article published in January 2008

Spectropolarimetry of extremely luminous type Ia supernova 2009dc: nearly spherical explosion of super-chandrasekhar mass white dwarf

scientific article published in the Astrophysical Journal

Kiso Supernova Survey (KISS): Survey strategy

scientific article

Spectropolarimetric evidence of asymmetric outburst in the fast nova V1494 Aquilae

Optical and Near-Infrared Photometric Observation during the Superoutburst of the WZ Sge-Type Dwarf Nova, V455 Andromedae

scientific article

The aspherical properties of the energetic type IC SN 2002ap as inferred from its nebular spectra

scientific article published in January 2007

Premaximum Spectropolarimetry of the Type Ia SN 2004dt

scientific article published in the Astrophysical Journal

A new high-redshift Ly{alpha} emitter: possible superwind galaxy at z=5.69

scientific article published in January 2002

Nebular phase observations of the type Ib supernova 2008D/X-ray transient 080109: side-viewed bipolar explosion

scientific article published in the Astrophysical Journal

First Results from BISTRO: A SCUBA-2 Polarimeter Survey of the Gould Belt

scientific article published in the Astrophysical Journal

Nova V4444 Sagittarii 1999: spectropolarimetric evidence for a preexisting circumstellar dust cloud

scientific article published in January 2000

Keck and European Southern Observatory Very Large Telescope View of the Symmetry of the Ejecta of the XRF/SN 2006aj

scientific article published in the Astrophysical Journal

Multiband Photopolarimetric Monitoring of an Outburst of the Blazar 3C 454.3 in 2007

scholarly article

Discovery of dramatic optical variability in SDSS J1100+4421: a peculiar radio-loud narrow-line Seyfert 1 galaxy?

scientific article (publication date: 11 September 2014)

Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

scientific article published in Science

Optical spectropolarimetry of SN 2002ap: a high-velocity asymmetric explosion

scientific article published in January 2002

Discovery of a WZ Sge-Type Dwarf Nova, SDSS J102146.44+234926.3: Unprecedented Infrared Activity during a Rebrightening Phase

scholarly article

J-GEM follow-up observations of the gravitational wave source GW 151226

scientific article published in January 2017

J-GEM follow-up observations to search for an optical counterpart of the first gravitational wave source GW 150914

scientific article published in January 2016

Optical spectropolarimetry and asphericity of the type IC SN 2007gr

scholarly article

On the origin of Ly{alpha} blobs at high redshift: kinematic evidence of a hyperwind galaxy at z = 3.1

scientific article published in January 2003

Evidence for planetary hypothesis for PTFO 8-8695b with five-year optical/infrared monitoring observations

Magnetic Fields toward Ophiuchus-B Derived from SCUBA-2 Polarization Measurements

scientific article published in the Astrophysical Journal

Decomposition of the superwind in M82

scholarly article

A First Look at BISTRO Observations of the ρ Oph-A core

scientific article published in the Astrophysical Journal

SDSSp J104433.04-012502.2 at z=5.74 is gravitationally magnified by an intervening galaxy

scientific article published in January 2002

2014-2015 multiple outbursts of 15P/Finlay

scientific article published in Astronomical Journal

Spectropolarimetry of the superwind filaments of the starburst galaxy M 82: Kinematics of dust outflow

scientific article published in January 2011

On the spectrum and spectropolarimetry of type Ic hypernova SN 2003dh/GRB 030329

scientific article published in January 2003

The broad-lined Type Ic SN 2012ap and the nature of relativistic supernovae lacking a gamma-ray burst detection

scientific article published in the Astrophysical Journal

SN 2017czd: A Rapidly Evolving Supernova from a Weak Explosion of a Type IIb Supernova Progenitor

scholarly article

X-Ray and Optical Monitoring of a Gamma-Ray-Emitting Radio Galaxy, NGC 1275

Early-phase photometry and spectroscopy of transitional type Ia SN 2012ht: direct constraint on the rise time

scientific article published in January 2014

An optical flare of GB6 1310+4844 observed with the Kanata telescope

scientific article published in January 2009

Subaru spectroscopy of the interacting type Ia supernova SN 2002ic: evidence of a hydrogen-rich, asymmetric circumstellar medium

scientific article published in January 2004

Optical and Near-Infrared Photometry of Nova V2362 Cyg: Rebrightening Event and Dust Formation

scientific article

Supernova 2012cq in UGC 4792

scientific article

SN 2009js at the crossroads between normal and subluminous type IIP supernovae: optical and mid-infrared evolution

scientific article published in January 2013