Paper:	Two More Years of GRB Optical Afterglows
Volume:	312, Third Rome Workshop on Gamma-Ray Bursts in the Afterglow Era
Page:	157
Authors:	Masetti, N.
Abstract:	I review the main observational achievements concerning GRB optical afterglows occurred in the past two years. Their emission seems to be well interpreted in terms of the "fireball" model, although a variety of behaviours are observed. Evidence for supernova-like late time "bumps" in the optical light curves is growing; however, other interpretations are possible. Fast follow-up observations allowed the detection of faint optical afterglows, and seem to suggest that a fraction of the so-called "dark" bursts might actually be reclassified as "dim" GRBs. Perspectives for future observations in this field are also outlined.

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