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The Afterglows of Swift-era Gamma-ray Bursts. I. Comparing pre-Swift and Swift-era Long/Soft (Type II) GRB Optical Afterglows

Autor: L. A. Antonelli, J. M. Castro Cerón, J. E. Ovaldsen, Sylvio Klose, R. Karimov, Silvia Piranomonte, Elena P. Pavlenko, P. D'Avanzo, Johan P. U. Fynbo, Filippo Mannucci, D. B. Malesani, Sergei Guziy, Markus Böttcher, M. Jeĺinek, A. J. Castro-Tirado, Valerio D'Elia, M. Della Valle, Yu. S. Efimov, Andrew J. Levan, Ü. Kızıloǧlu, Mansur Ibrahimov, D. Paraficz, David Alexander Kann, M. Gålfalk, A. Sergeev, Alexander Kutyrev, Vasilij Rumyantsev, C. M. Martin, Ehud Nakar, Adria C. Updike, Jesper Sollerman, F. Grundahl, Gianpiero Tagliaferri, Steve Schulze, S. Gupta, J. Telting, Luigi Stella, R. A. Burenin, A. Pozanenko, Irek Khamitov, Darach Watson, Nestor Mirabal, Bringfried Stecklum, Peter Laursen, A. de Ugarte Postigo, Nathaniel R. Butler, R. Salinas, B. E. Cobb, Javier Gorosabel, I. F. Bikmaev, Andrea Rossi, G. Chincarini, A. C. Wilson, Jay P. Norris, Dong Xu, Bing Zhang, A. Volnova, Maksim V. Andreev, P. Ferrero, Nial R. Tanvir, Myungshin Im, Pall Jakobsson, Klaas Wiersema, Vincenzo Testa, Petr Kubánek, K. Holhjem, G. L. Israel, B. L. Jensen, E. Klunko, A. Mescheryakov, B. M. Hafizov, Dino Fugazza, Stefano Covino, V. Biryukov, Jens Hjorth, D. Sharapov

Publikováno v: Astrophysical Journal
Artículos CONICYT
CONICYT Chile
instacron:CONICYT

We have gathered optical photometry data from the literature on a large sample of Swift-era gamma-ray burst (GRB) afterglows including GRBs up to September 2009, for a total of 76 GRBs, and present an additional three pre-Swift GRBs not included in a

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Weak lensing density profiles and mass reconstructions of the galaxy clusters Abell 1351 and Abell 1995

Autor: K. Holhjem, Mischa Schirmer, Håkon Dahle

The aim of the present work is to study the overall mass distribution of the galaxy clusters Abell 1351 and Abell 1995 using weak gravitational lensing. These clusters have got a very different mass structure and dynamical state, and are the two extr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c764bc1da4c2931706cb0303584059cb
http://arxiv.org/abs/0906.2938

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Photospheric and chromospheric activity on EY Dra

Autor: S. Ramstedt, J. Rantala, H. Korhonen, K. Vida, K. Holhjem, C.C. Thoene, Karsten Brogaard

Publikováno v: Korhonen, H, Brogaard, K, Holhjem, K, Ramstedt, S, Rantala, J, Thöne, C C & Vida, K 2007, ' Photospheric and chromospheric activity on EY Dra ', Astronomische Nachrichten, vol. 328, no. 9 . https://doi.org/10.1002/asna.200710777

Magnetic activity in the photosphere and chromosphere of the M dwarf EY Dra is studied and possible correlations between the two are investigated using photometric observations in the V and R bands and optical and near infrared spectroscopy. The long

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