OTS 1809+314 and the Gamma-Ray Burst GB 790325b

Authors

Dieter H. Hartmann, Department of Physics and Astronomy, Clemson UniversityFollow
Richard W. Pogge, Lick Observatory and Board of Studies in Astronomy and Astrosphysics - University of California & Insitute of Geophysics and Plaentary Physics - University of California
Kevin Hurley, Space Sciences Laboratory, University of California, Berkeley
Frederick J. Vrba, US Naval Observatory, Flagstaff Station
Mark C. Jennings, Institute of Geophysics and Planetary Physics - Univeristy of California

Document Type

Article

Publication Date

Winter 1-15-1989

Publication Title

The Astrophysical Journal

Publisher

The American Astronomical Society

Abstract

We present deep CCD images of the field containing the recurring Optical Transient Source (OTS) 1809+314 recently discovered on the archival plates of the Sonneberg Observatory. At the position of OTS 1809+314 we find no optical counterpart brighter tha V=24.0 24.5, rgunn = 22.0-22.5 and I = 22.0 22.5, and I = 22.0-22.5. In the zero proper motion limit our observations place severe constraints on possible quiescent counterparts. There is no compelling evidence to suggest an association between the historical optical transient source and the gamma-ray burst GB 790325b located ~ 5' to the east of OTS 1809+314.

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