List of works - Akira Okumura

Fermi Large Area Telescope second source catalog

article

The Fermi all-sky variability analysis: a list of flaring gamma-ray sources and the search for transients in our galaxy

scientific article published in the Astrophysical Journal

Constraining the high-energy emission from gamma-ray bursts with Fermi

scientific article published in the Astrophysical Journal

The Fermi Large Area Telescope on orbit: event classification, instrument response functions, and calibration

article

The second catalog of active galactic nuclei detected by the Fermi large area telescope

scientific article published in the Astrophysical Journal

The first Fermi-LAT catalog of sources above 10 GeV

scientific article

Fermi observations of high-energy gamma-ray emission from GRB 080916C.

scientific article

Measurement of Separate Cosmic-Ray Electron and Positron Spectra with the Fermi Large Area Telescope

scientific article published in Physical Review Letters

Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope

scientific article published in Physical Review Letters

Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy

article by Marcos Actis et al published 23 November 2011 in Experimental Astronomy

Frequency of solar-like systems and of ice and gas giants beyond the snow line from high-magnification microlensing events in 2005-2008

scientific article published in the Astrophysical Journal

Gamma-Ray Flares from the Crab Nebula

scientific article published in Science

Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV

scholarly article

Fermi large area telescope observations of Markarian 421: the missing piece of its spectral energy distribution

scientific article published in the Astrophysical Journal

Fermi-LAT observations of the diffuse {gamma}-ray emission: implications for cosmic rays and the interstellar medium

scientific article published in the Astrophysical Journal

Introducing the CTA concept

The radio/gamma-ray connection in active galactic nuclei in the era of the Fermi Large Area Telescope

scientific article published in the Astrophysical Journal

Unbound or distant planetary mass population detected by gravitational microlensing

scientific article (publication date: 19 May 2011)

A cold neptune-mass planet OGLE-2007-BLG-368Lb: cold neptunes are common

scientific article published in the Astrophysical Journal

Fermi-LAT observations of the gamma-ray burst GRB 130427A.

scientific article

Fermi observations of Cassiopeia and Cepheus: diffuse gamma-ray emission in the outer galaxy

scientific article published in the Astrophysical Journal

Fermi large area telescope and multi-wavelength observations of the flaring activity of PKS 1510-089 between 2008 September and 2009 June

scientific article published in the Astrophysical Journal

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

scientific article published in August 2010

Discovery of a Jupiter/Saturn analog with gravitational microlensing

scientific article

Insights into the high-energy {gamma}-ray emission of Markarian 501 from extensive multifrequency observations in the Fermi era

scientific article published in the Astrophysical Journal

Fermi large area telescope observations of misaligned active galactic nuclei

scientific article published in the Astrophysical Journal

Fermi LAT search for dark matter in gamma-ray lines and the inclusive photon spectrum

scientific article

Fermi gamma-ray space telescope observations of gamma-ray outbursts from 3C 454.3 in 2009 December and 2010 April

scientific article published in the Astrophysical Journal

Search for gamma-ray spectral lines with the Fermi Large Area Telescope and dark matter implications

scholarly article

Detection of a spectral break in the extra hard component of GRB 090926A

scientific article published in the Astrophysical Journal

Search for gamma-ray emission from x-ray-selected Seyfert galaxies with Fermi-LAT

scientific article published in the Astrophysical Journal

Constraints on the cosmic-ray density gradient beyond the solar circle from Fermi {gamma}-ray observations of the third galactic quadrant

scientific article published in the Astrophysical Journal

Constraints on the galactic population of TeV pulsar wind nebulae using Fermi large area telescope observations

scientific article published in the Astrophysical Journal

Periodic Emission from the Gamma-Ray Binary 1FGL J1018.6-5856

scientific article published in Science

Microlensing event MOA-2007-BLG-400: exhuming the buried signature of a cool, Jovian-mass planet

scientific article published in the Astrophysical Journal

Fermi large area telescope observations of the cosmic-ray inducedγ-ray emission of the Earth’s atmosphere

scholarly article

Fermi gamma-ray space telescope observations of the gamma-ray outburst from 3C454.3 in November 2010

scientific article

GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THEFERMILARGE AREA TELESCOPE

scientific article published in the Astrophysical Journal

A Low‐Mass Planet with a Possible Sub‐Stellar‐Mass Host in Microlensing Event MOA‐2007‐BLG‐192

scientific article published in the Astrophysical Journal

In-flight measurement of the absolute energy scale of the Fermi Large Area Telescope

Fermi large area telescope view of the core of the radio galaxy Centaurus A

scientific article published in the Astrophysical Journal

Fermi LAT observations of LS I +61{deg}303: first detection of an orbital modulation in GeV gamma rays

scientific article published in the Astrophysical Journal

Searches for cosmic-ray electron anisotropies with the Fermi Large Area Telescope

scholarly article

Fermi LAT discovery of extended gamma-ray emission in the direction of supernova remnant W51C

scientific article published in the Astrophysical Journal

A cocoon of freshly accelerated cosmic rays detected by Fermi in the Cygnus superbubble

scientific article

A statistical approach to recognizing source classes for unassociated sources in the first Fermi-LAT catalog

scientific article published in the Astrophysical Journal

Observations of the young supernova remnant RX J1713.7-3946 with the Fermi large area telescope

scientific article published in the Astrophysical Journal

Fermi Large Area Telescope Measurements of the Diffuse Gamma-Ray Emission at Intermediate Galactic Latitudes

scientific article published in Physical Review Letters

Fermi Detection of a Luminous γ-Ray Pulsar in a Globular Cluster

scientific article published on November 3, 2011

Masses and orbital constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn analog planetary system

scientific article published in the Astrophysical Journal

List of works by Akira Okumura

Fermi Large Area Telescope second source catalog

The Fermi all-sky variability analysis: a list of flaring gamma-ray sources and the search for transients in our galaxy

Constraining the high-energy emission from gamma-ray bursts with Fermi

The Fermi Large Area Telescope on orbit: event classification, instrument response functions, and calibration

The second catalog of active galactic nuclei detected by the Fermi large area telescope

The first Fermi-LAT catalog of sources above 10 GeV

Fermi observations of high-energy gamma-ray emission from GRB 080916C.

Measurement of Separate Cosmic-Ray Electron and Positron Spectra with the Fermi Large Area Telescope

Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope

Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy

Frequency of solar-like systems and of ice and gas giants beyond the snow line from high-magnification microlensing events in 2005-2008

Gamma-Ray Flares from the Crab Nebula

Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV

Fermi large area telescope observations of Markarian 421: the missing piece of its spectral energy distribution

Fermi-LAT observations of the diffuse {gamma}-ray emission: implications for cosmic rays and the interstellar medium

Introducing the CTA concept

The radio/gamma-ray connection in active galactic nuclei in the era of the Fermi Large Area Telescope

Unbound or distant planetary mass population detected by gravitational microlensing

A cold neptune-mass planet OGLE-2007-BLG-368Lb: cold neptunes are common

Fermi-LAT observations of the gamma-ray burst GRB 130427A.

Fermi observations of Cassiopeia and Cepheus: diffuse gamma-ray emission in the outer galaxy

Fermi large area telescope and multi-wavelength observations of the flaring activity of PKS 1510-089 between 2008 September and 2009 June

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

Discovery of a Jupiter/Saturn analog with gravitational microlensing

Insights into the high-energy {gamma}-ray emission of Markarian 501 from extensive multifrequency observations in the Fermi era

Fermi large area telescope observations of misaligned active galactic nuclei

Fermi LAT search for dark matter in gamma-ray lines and the inclusive photon spectrum

Fermi gamma-ray space telescope observations of gamma-ray outbursts from 3C 454.3 in 2009 December and 2010 April

Search for gamma-ray spectral lines with the Fermi Large Area Telescope and dark matter implications

Detection of a spectral break in the extra hard component of GRB 090926A

Search for gamma-ray emission from x-ray-selected Seyfert galaxies with Fermi-LAT

Constraints on the cosmic-ray density gradient beyond the solar circle from Fermi {gamma}-ray observations of the third galactic quadrant

Constraints on the galactic population of TeV pulsar wind nebulae using Fermi large area telescope observations

Periodic Emission from the Gamma-Ray Binary 1FGL J1018.6-5856

Microlensing event MOA-2007-BLG-400: exhuming the buried signature of a cool, Jovian-mass planet

Fermi large area telescope observations of the cosmic-ray inducedγ-ray emission of the Earth’s atmosphere

Fermi gamma-ray space telescope observations of the gamma-ray outburst from 3C454.3 in November 2010

GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THEFERMILARGE AREA TELESCOPE

A Low‐Mass Planet with a Possible Sub‐Stellar‐Mass Host in Microlensing Event MOA‐2007‐BLG‐192

In-flight measurement of the absolute energy scale of the Fermi Large Area Telescope

Fermi large area telescope view of the core of the radio galaxy Centaurus A

Fermi LAT observations of LS I +61{deg}303: first detection of an orbital modulation in GeV gamma rays

Searches for cosmic-ray electron anisotropies with the Fermi Large Area Telescope

Fermi LAT discovery of extended gamma-ray emission in the direction of supernova remnant W51C

A cocoon of freshly accelerated cosmic rays detected by Fermi in the Cygnus superbubble

A statistical approach to recognizing source classes for unassociated sources in the first Fermi-LAT catalog

Observations of the young supernova remnant RX J1713.7-3946 with the Fermi large area telescope

Fermi Large Area Telescope Measurements of the Diffuse Gamma-Ray Emission at Intermediate Galactic Latitudes

Fermi Detection of a Luminous γ-Ray Pulsar in a Globular Cluster

Masses and orbital constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn analog planetary system