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Discovery of the Optical Counterpart of the X-Ray Nova GRO J1655-40

Volume 23 number 2 (1995)

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Jerome A. Orosz
Astronomy Department, Yale University, New Haven, CT

Abstract

A new X-ray nova was discovered in July 1994 by the Compton Gamma Ray Observatory, and was designated GRO J1655-40. Our group at Yale promptly discovered the optical counterpart. Radio observations of the optical counterpart detected jets expanding at relativistic speeds.