New Photometric Investigation of the Solar-Type Shallow-Contact Binary HH Bootis

Table 6

New CCD times of light minimum for HH Boo.

JD (Hel.)	Error (days)	Method	Min.	Filter	tel
2455556.34380	0.00017	CCD	I	B	Xinglong-85cm
2455556.34381	0.00017	CCD	I	V	Xinglong-85cm
2455556.34407	0.00023	CCD	I	I	Xinglong-85cm
2455556.34416	0.00021	CCD	I	R	Xinglong-85cm
2455561.28404	0.00131	CCD	II	V	Xinglong-85cm
2455561.28436	0.00084	CCD	II	I	Xinglong-85cm
2455561.28459	0.00118	CCD	II	B	Xinglong-85cm
2455561.28462	0.00020	CCD	II	R	Xinglong-85cm
2455918.35009	0.00022	CCD	I	R	YNOs-1m
2456308.39843	0.00010	CCD	I	I	YNOs-1m
2456308.39843	0.00013	CCD	I	N	YNOs-1m
2456308.39862	0.00014	CCD	I	R	YNOs-1m
2456348.23149	0.00016	CCD	I	I	YNOs-1m
2456348.23163	0.00017	CCD	I	R	YNOs-1m
2456348.23171	0.00014	CCD	I	N	YNOs-1m
2456735.40805	0.00016	CCD	I	R	YNOs-1m
2456735.40841	0.00016	CCD	I	I	YNOs-1m
2457068.41899	0.00017	CCD	I	R	YNOs-1m
2457068.41935	0.00015	CCD	I	I	YNOs-1m
2457075.43087	0.00019	CCD	I	I	YNOs-60cm
2457075.43087	0.00021	CCD	I	R	YNOs-60cm
2457079.25398	0.00013	CCD	I	I	YNOs-1m
2457097.25817	0.00042	CCD	II	R	YNOs-60cm
2457097.25829	0.00032	CCD	II	I	YNOs-1m
2457408.43508	0.00035	CCD	I	V	YNOs-60cm
2457408.43544	0.00041	CCD	I	R	YNOs-60cm
2457496.38545	0.00021	CCD	I	N	YNOs-60cm
2458232.18458	0.00019	CCD	I	V	YNOs-60cm
2458232.18467	0.00019	CCD	I	I	YNOs-60cm
2458232.18479	0.00016	CCD	I	R	YNOs-60cm