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astro-ph2003
HST/NICMOS Imaging Polarimetry of PPNs
Toshiya Ueta, Koji Murakawa, Margaret Meixner
We present the preliminary results from our HST/NICMOS imaging polarimetry on optically thin PPNs. The data show the dust distribution in an unprecedented detail. The structure of…
astro-ph2003★ 2 cited
Searching for a Long Cosmic String Through the Gravitational Lensing Effect
Yuji Shirasaki, Ei-ichi Matsuzaki, Yoshihiko Mizumoto +7
It has been suggested that cosmic strings produced at a phase transition in the early universe can be the origin of the extremely high energy cosmic rays (EHCR) observed by AGASA a…