at the 89th Annual Meeting of the AAVSO, October 28th, 2000
Photographic, visual, and CCD
photometry indicate that the star GSC 3002-0454 in Ursa Major is an Algol-type
eclipsing binary, range 12.8-15.0 V, period 1.8559010 days. Secondary minimum
is 0.10V. Eclipse duration is about 0.34 day, and the eclipse is total with an
interval of constant light at minimum lasting about 0.04 day.