V1197 Her is a W-subtype shallow contact binary with mass ratio 2.61, a 140 K temperature difference, and a period that is decreasing at about 2.58e-7 days per year.
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Photometric investigation on the W-subtype contact binary V1197 Her
V1197 Her is a W-subtype shallow contact binary with mass ratio 2.61, a 140 K temperature difference, and a period that is decreasing at about 2.58e-7 days per year.