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19922026
Showing astro-phShow all

326 papers · 1 filter

astro-ph2008★ 16 cited

Time-evolution of Peak Energy and Luminosity Relation within Pulses for GRB 061007: Probing Fireball Dynamics

Masanori Ohno, Kunihito Ioka, Kazutaka Yamaoka +3

We perform a time-resolved spectral analysis of bright, long Gamma-ray burst GRB 061007 using Suzaku/WAM and Swift/BAT. Thanks to the large effective area of the WAM, we can invest…

astro-ph2008★ 140 cited

Fermi LAT Observations of the Vela Pulsar

A. A. Abdo

The Vela pulsar is the brightest persistent source in the GeV sky and thus is the traditional first target for new gamma-ray observatories. We report here on initial Fermi Large Ar…

astro-ph2008★ 28 cited

Evolution of Anemone AR NOAA 10798 and the Related Geo-Effective Flares and CMEs

Ayumi Asai, Kazunari Shibata, Takako T. Ishii +4

We present a detailed examination of the features of the Active Region (AR) NOAA 10798. This AR generated coronal mass ejections (CMEs) that caused a large geomagnetic storm on 24…

astro-ph2008★ 57 cited

Gas Properties and Implications for Galactic Star Formation in Numerical Models of the Turbulent, Multiphase ISM

H. Koyama, E. C. Ostriker

Using numerical simulations of galactic disks resolving scales from ~1 to several hundred pc, we investigate dynamical properties of the multiphase ISM with turbulence driven by st…

astro-ph2008★ 52 cited

Hard X-ray Properties of the Merging Cluster Abell 3667 as Observed with Suzaku

Kazuhiro Nakazawa, Craig L. Sarazin, Madoka Kawaharada +10

Wide-band Suzaku data on the merging cluster Abell 3667 were examined for hard X-ray emission in excess to the known thermal component. Suzaku detected X-ray signals in the wide en…

astro-ph2008★ 18 cited

Suzaku Results on the Obscured Low-Luminosity Active Galactic Nucleus in NGC 4258

Shin'ya Yamada, Takeshi Itoh, Kazuo Makishima +1

In 2006 June, the obscured low luminosity active galactic nucleus in the nearby Seyfert 1.9 galaxy NGC 4258 was observed with Suzaku for ~ 100 ks. Utilizing the XIS and the HXD, th…