Polarization evolution of the GRB 020405 afterglow

Covino, S.; Malesani, D.; Ghisellini, G.; Lazzati, D.; di Serego Alighieri, S.; Stefanon, M.; Cimatti, A.; Della Valle, M.; Fiore, F.; Goldoni, P.; Kawai, N.; Israel, G. L.; Le Floc&#39;h, E.; Mirabel, I. F.; Ricker, G.; Saracco, P.; Stella, L.; Tagliaferri, G.; Zerbi, F. M.

doi:10.1051/0004-6361:20030133

論文・著書情報

タイトル

和文:
英文:	Polarization evolution of the GRB 020405 afterglow

著者

和文:	Covino, S., Malesani, D., Ghisellini, G., Lazzati, D., di Serego Alighieri, S., Stefanon, M., Cimatti, A., Della Valle, M., Fiore, F., Goldoni, P., 河合誠之, Israel, G. L., Le Floc'h, E., Mirabel, I. F., Ricker, G., Saracco, P., Stella, L., Tagliaferri, G., Zerbi, F. M..
英文:	Covino, S., Malesani, D., Ghisellini, G., Lazzati, D., di Serego Alighieri, S., Stefanon, M., Cimatti, A., Della Valle, M., Fiore, F., Goldoni, P., Kawai, N., Israel, G. L., Le Floc'h, E., Mirabel, I. F., Ricker, G., Saracco, P., Stella, L., Tagliaferri, G., Zerbi, F. M..

言語

English

掲載誌/書名

和文:
英文:	Astronomy and Astrophysics

巻, 号, ページ

Vol. 400 pp. L9-L12

出版年月

2003年3月

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DOI

https://doi.org/10.1051/0004-6361:20030133

アブストラクト

Polarization measurements for the optical counterpart to GRB 020405 are presented and discussed. Our observations were performed with the VLT-UT3 (Melipal) during the second and third night after the gamma-ray burst discovery. The polarization degree (and the position angle) appears to be constant between our two observations at a level around 1.5/2%. The polarization can be intrinsic but it is not possible to unambiguously exclude that a substantial fraction of it is induced by dust in the host galaxy. Based on observations made with ESO telescopes at the Paranal Observatory under programme Id 69.D-0461.

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