Deep optical and radio searches for a quiescent counterpart to the optical transient source OTS 1809+31

Details Deep optical and radio searches for a quiescent counterpart to the optical transient source OTS 1809+31 Deep optical and radio searches for a quiescent counterpart to the optical transient source OTS 1809+31

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...338..983r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 338, March 15, 1989, p. 983-989.

Astronomy and Astrophysics

Astronomy

5

Charge Coupled Devices, Gamma Ray Bursts, Photographic Plates, Radio Astronomy, Variable Stars, Astronomical Photography, Solar System, Very Large Array (Vla)

Scientific paper

Hudec (1987) has reported the detection of three bright transient optical images from the same celestial location localized to alpha(1950) = 18 h 9 m 26.29 s + or - 0.03 s, delta (1950) = +31 deg 23 arcmin 19.7 arcsec + or - 0.6 arcsec. This paper reports the result of a deep CCD search in four colors undertaken to find the quiescent counterpart of the optical transients. No source is found at the location of the transients to m(B) = 24.5; however, 18 objects in the vicinity of the reported coordinates which are consistent with the source having a proper motion of 1 arcsec/yr. A search at 6 cm with the VLA revealed no source in the mu less than 1 arcsec/yr circle to a 3 sigma limiting flux of 83 micro-Jy.

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