Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kazuhito Hatano"'
Autor:
David Branch, Darrin Casebeer, Wesley Ketchum, E. Baron, Leann Chau Dang, Nicholas Hall, Jerod Parrent, Miriam Musco, David J. Jeffery, Kazuhito Hatano, Michael Troxel
Publikováno v:
Publications of the Astronomical Society of the Pacific. 119:709-721
A comparative study of spectra of 21 Type Ia supernovae (SNe Ia) obtained about one week before maximum light, and 8 spectra obtained 11 or more days before maximum, is presented. To a large extent the premaximum spectra exhibit the defining characte
Autor:
David Branch, E. Baron, Daniel Kasen, Kazuhito Hatano, Richard J. Rudy, Alexei V. Filippenko, Weidong Li, R. C. Thomas, Ken'ichi Nomoto
Publikováno v:
The Astrophysical Journal. 606:413-423
The Type Ia SN 2000cx exhibited multiple peculiarities, including a lopsided B-band light-curve peak that does not conform to current methods for using shapes of light curves to standardize SN Ia luminosities. We use the parameterized supernova synth
Publikováno v:
New Astronomy. 7:441-448
Li et al. presented extensive observational data on the peculiar Type Ia SN 1997br and showed that it resembled the well-known peculiar SN 1991T . We present some results of a direct analysis of the spectra of SN 1997br . We raise the question of whe
Autor:
Takeo Minezaki, J. Deng, George Kosugi, Stefano Benetti, Koichi Iwamoto, Massimo Turatto, Keigo Enya, Kenzo Kinugasa, Stephen J. Smartt, Yuzuru Yoshii, Hiroyuki Tomita, Ryan Chornock, Kazuya Ayani, Gang Zhao, Keiichi Maeda, Hideyo Kawakita, Nobunari Kashikawa, Alexei V. Filippenko, Masanori Iye, Kentaro Motohara, Ken'ichi Nomoto, Kazuhito Hatano, Y. Ohyama, Hitoshi Yamaoka, Yukiyasu Kobayashi, Mamoru Doi, Robert A. Fesen, Koji S. Kawabata, T. Kawabata, H. Umeda, Paolo A. Mazzali, Yulei Qiu, Christopher L. Gerardy, Masahide Takada-Hidai
Publikováno v:
The Astrophysical Journal. 572:L61-L65
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 evolution and its light curve. The SN is spectroscopically similar to the hy
Autor:
G. Altavilla, David Branch, E. Baron, Massimo Turatto, Andrea Pastorello, Weidong Li, Daniel Kasen, Luca Rizzi, Thomas Matheson, Alexei V. Filippenko, Douglas C. Leonard, Joseph C. Shields, R. A. Stathakis, David J. Jeffery, Kazuhito Hatano, Enrico Cappellaro, Stefano Benetti
Publikováno v:
The Astrophysical Journal. 566:1005-1017
Synthetic spectra generated with the parameterized supernova synthetic-spectrum code SYNOW are compared to photospheric-phase spectra of Type Ib supernovae (SNe Ib). Although the synthetic spectra are based on many simplifying approximations, includi
Autor:
Eric J. Lentz, Peter M. Garnavich, David Branch, Alexei V. Filippenko, E. Baron, Kazuhito Hatano
Publikováno v:
The Astrophysical Journal. 543:L49-L52
A comparison of the ratio of the depths of two absorption features in the spectra of Type Ia supernovae (SNe Ia) near the time of maximum brightness with the blueshift of the deep red Si II absorption feature 10 days after maximum shows that the spec
Publikováno v:
The Astrophysical Journal. 487:L45-L48
We use a Monte Carlo technique together with a simple model for the distribution of dust in M31 to investigate the observability and spatial distribution of classical novae in M31.
18 pages, AAStex, including 6 pages of figures. Submitted ApJ Le
18 pages, AAStex, including 6 pages of figures. Submitted ApJ Le
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 290:360-366
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 290:113-118
We use a Monte Carlo technique, together with a simple model for the distribution of dust in the Galaxy, to investigate the observability, spatial distribution and occurrence rate of Galactic classical novae. We compare our model distributions of nov
Autor:
J. Deng, Hitoshi Yamaoka, Kazuhito Hatano, Keiichi Maeda, Ryan Chornock, Kenzo Kinugasa, Masanori Iye, Ken'ichi Nomoto, Kazuya Ayani, Stephen J. Smartt, Yulei Qiu, Hiroyuki Tomita, Koichi Iwamoto, Kentaro Motohara, Massimo Turatto, George Kosugi, Masahide Takada-Hidai, Takeo Minezaki, Keigo Enya, Koji S. Kawabata, Yuzuru Yoshii, Hideyo Kawakita, Yukiyasu Kobayashi, Mamoru Doi, Alexei V. Filippenko, Christopher L. Gerardy, Gang Zhao, Nobunari Kashikawa, Paolo A. Mazzali, Y. Ohyama, Robert A. Fesen, T. Kawabata, H. Umeda, Stefano Benetti
Publikováno v:
Nuclear Physics A. 718:569-571
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 evolution and its light curve. The SN is spectroscopically similar to the "h