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USING  THE  LANDOLT  SELECTED  AREAS  (SAs)  FOR  PHOTOMETRIC IDENTIFICATION  OF  FAINT  SUPERNOVAE  AND  OPTICAL COUNTERPARTS  TO  GAMMA-RAY  BURSTERS

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Mark H. Slovak

T. Gregory Guzik

Arlo Landolt

Louisiana State University

Department of Physics and Astronomy

Baton Rouge, LA 70803

Walter Cooney

Baton Rouge Astronomical Society

6348 Double Tree Ct.

Baton Rouge, LA 70817

Presented at the 89th Spring Meeting of the AAVSO, April 15, 2000

Abstract

We propose to use the Landolt Selected Areas (SAs) as convenient photometric fields to calibrate magnitudes and colors of faint supernovae and optical counterparts or “flashes” associated with transient gamma-ray bursts (GRBs). The spacing of and established photometric sequences in the SAs makes them convenient reference fields to interleave with CCD images of suspected time-variable objects for transformation of instrumental magnitudes and colors to standardized systems.

Link to ADS abstract, article and citation information