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astro-ph2003★ 42 cited
Detection of highly ionized O and Ne absorption lines in the X-ray spectrum of 4U1820-303 in the globular cluster, NGC 6624
Kazuo Futamoto, Kazuhisa Mitsuda, Yoh Takei +2
We searched for absorption lines of highly ionized O and Ne in the energy spectra of two Low-mass X-ray binaries, 4U1820-303 in the globular cluster NGC6624 and Cyg X-2, observed w…
astro-ph2003★ 7 cited
A New Method to Map Flares in Quasars
Atsunori Yonehara, Shin Mineshige, Yoh Takei +2
Recently, Chartas et al. (2001) detected a rapid X-ray flare in the gravitationally lensed, multiple image quasar RX J0911.4+0551. Dramatic events, such as rapid X-ray flares, are…