Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/18072
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Type: | Journal article |
Title: | Evidence of TeV gamma-ray emission from the nearby starburst galaxy NGC 253 |
Author: | Itoh, C. Enomoto, R. Yanagita, S. Yoshida, T. Tanimori, T. Okumura, K. Asahara, A. Bicknell, G. Clay, R. Edwards, P. Gunji, S. Hara, S. Hara, T. Hattori, T. Hayashi, S. Hayashi, S. Kabuki, S. Kajino, F. Katagiri, H. Kawachi, A. et al. |
Citation: | Astronomy and Astrophysics: a European journal, 2003; 402(2):443-455 |
Publisher: | Springer-Verlag |
Issue Date: | 2003 |
ISSN: | 0004-6361 1432-0746 |
Abstract: | TeV gamma-rays were recently detected from the nearby normal spiral galaxy NGC 253 (Itoh et al., 2002). Observations to detect the Cherenkov light images initiated by gamma-rays from the direction of NGC 253 were carried out in 2000 and 2001 over a total period of $\sim$150 hours. The orientation of images in gamma-ray--like events is not consistent with emission from a point source, and the emission region corresponds to a size greater than 10 kpc in radius. Here, detailed descriptions of the analysis procedures and techniques are given. |
Rights: | Copyright © 2003. The European Southern Observatory. All rights reserved. Printed in U.S.A. Submitted to Cornell University’s online archive www.arXiv.org in 2003 by Ryoji Enomoto. Post-print can be sourced from www.arxiv.org. |
DOI: | 10.1051/0004-6361:20030247 |
Published version: | http://arxiv.org/abs/astro-ph/0304295 |
Appears in Collections: | Aurora harvest 2 Physics publications |
Files in This Item:
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hdl_18072.pdf | Published version | 264.36 kB | Adobe PDF | View/Open |
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