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Astron. Astrophys. 351, 399 (1999)

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GRB 990510: linearly polarized radiation from a fireball *

Stefano Covino 1, Davide Lazzati 1,2, Gabriele Ghisellini 1, Paolo Saracco 1, Sergio Campana 1, Guido Chincarini 1,2, Sperello Di Serego 3, Andrea Cimatti 3, Leonardo Vanzi 4, Luca Pasquini 4, Francesco Haardt 5, Gian Luca Israel 6, Luigi Stella 6 and Mario Vietri 7

1 Osservatorio Astronomico di Brera, Via Bianchi 46, 23807 Merate (Lc), Italy
2 Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy
3 Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, 50125 Firenze, Italy
4 European Southern Observatory, Karl-Schwarzschild-Strasse 2, 85748 Garching, Germany
5 Università dell'Insubria, via Lucini 3, 22100 Como, Italy
6 Osservatorio Astronomico di Roma, via Frascati 33, 00040 Monteporzio Catone, Roma, Italy
7 Università di Roma III, via della Vasca Navale 84, 00147 Roma, Italy

Astron. Astrophys. 348, L1-L4 (1999)

In the paper GRB 990510: linearly polarized radiation from a fireball, by Covino et al. published in A&A (348, L1) part of the acknowledgment was missing.

"Before this letter was accepted for publication, a sign error in the routine used to derive the polarization angle emerged. We are grateful to E. Palazzi, F. Frontera and R. Wijers for pointing out this discrepancy prior to the completion of their paper (Wijers et al. 1999)".

* Based on ESO VLT-Antu (UT1) observations (63.H-0233). Raw data are available upon request.

Send offprint requests to: S. Covino

Correspondence to: covino@merate.mi.astro.it

© European Southern Observatory (ESO) 1999

Online publication: November 2, 1999