Swift and optical observations of GRB 050401

De Pasquale, Massimiliano; Beardmore, Andy P; Barthelmy, S D; Boyd, P; Burrows, D N; Fink, R; Gehrels, N; Kobayashi, S; Mason, K O; McNaught, Rob; Nousek, J A; Page, K L; Palmer, D M; Peterson, Bruce; Price, Paul Antony; Rich, Joshua; Roming, P; Rosen, S R; Sakamoto, T; Schmidt, Brian; Tueller, J; Wells, A A; Zane, S; Zhang, B; Ziaeepour, H

Swift and optical observations of GRB 050401

Date

2006

Authors

De Pasquale, Massimiliano

Beardmore, Andy P

Barthelmy, S D

Boyd, P

Burrows, D N

Fink, R

Gehrels, N

Kobayashi, S

Mason, K O

McNaught, Rob

Publisher

Blackwell Publishing Ltd

Abstract

We present the results of the analysis of γ-ray and X-ray data of GRB 050401 taken with the Swift satellite, together with a series of ground-based follow-up optical observations. The Swift X-ray light curve shows a clear break at about 4900 s after the