Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982cha%26a...6..167l&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 6, Issue 2, p. 167-171.
Astronomy and Astrophysics
Astrophysics
2
Scientific paper
We have obtained photoelectric light cureves in B and V of the eclipsing binary XY Leonis. Comapring our results with those of Koch of 1956, we have found obvious changes in the shape of the light curve. We have obtained one princiapl and two secondary minimum epochs and thereby further confirmed the periodic character in the change in period of this binary.
Liu Qing-Yao
Zhang Ji-Tong
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