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The Type Ic Hypernova SN 2002ap
P. A. Mazzali, J. Deng, K. Maeda +31
Photometric and spectroscopic data of the energetic Type Ic supernova (SN) 2002ap are presented, and the properties of the SN are investigated through models of its spectral evolut…
Imaging Photometry of Seyfert 1 AGNs and Quasars III: Variability of Radio Quiet and Radio Loud AGNs
Keigo Enya, Yuzuru Yoshii, Yukiyasu Kobayashi +3
Variability of 226 AGNs in the near-infrared , , and bands is analyzed and discussed. An ensemble average for measured variabilities was obtained for various samples of…
Imaging Photometry of Seyfert 1 AGNs and Quasars II: Observation of Long-Term Variability
Keigo Enya, Yuzuru Yoshii, Yukiyasu Kobayashi +3
Observations of 226 AGNs in the near-infrared , , and bands are presented along with the analysis of the observations for variability. Our sample consists mainly of Seyf…
JHK' Imaging Photometry of Seyfert 1 AGNs and Quasars I: Multi-Aperture Photometry
Keigo Enya, Yuzuru Yoshii, Yukiyasu Kobayashi +3
Near-infrared imaging photometry was obtained of 331 AGNs consisting mainly of Seyfert 1 AGNs and quasars (QSOs). This sample was selected to cover a range of radio emission…