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astro-ph1998★ 32 cited
The optical/IR counterpart of the 3 July 1998 gamma-ray burst and its evolution
A. J. Castro-Tirado, M. R. Zapatero-Osorio, J. Gorosabel +21
We imaged the X-ray error box of GRB 980703, beginning 22.5 hours after the gamma--ray event, in both the optical R and near-infrared H bands. A fading optical/IR object was detect…
astro-ph1998★ 114 cited
Stromgren Photometry of Globular Clusters: The Distance and Age of M13, Evidence For Two Populations of Horizontal-Branch Stars
Frank Grundahl, Don A. VandenBerg, Michael I. Andersen
We present deep CCD photometry of the globular cluster M13 (NGC 6205) in the Stromgren uvby-Beta system, and determine a foreground reddening of E(b-y)= 0.015mag. From a fit to the…