Object	UT Date	UT	JD	Comp Star	ΔV	σ(ΔV)	V	σ(V)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)
3C 273	2017-11-16	12:34:06	2458074.02368	C	1.319	0.003	13.19	0.04
3C 273	2017-11-22	12:32:34	2458080.02262	C	1.326	0.006	13.20	0.04
3C 273	2017-12-08	12:27:50	2458096.01933	C	1.276	0.015	13.15	0.04
3C 273	2017-12-13	11:54:33	2458100.99622	C	1.296	0.002	13.17	0.04
3C 273	2017-12-16	11:41:42	2458103.98729	C	1.294	0.003	13.16	0.04
3C 273	2018-01-12	10:58:05	2458130.95700	C	1.245	0.004	13.12	0.04
3C 273	2018-01-14	10:56:50	2458132.95613	C	1.274	0.017	13.14	0.04
3C 273	2018-01-20	09:17:11	2458138.88693	C	1.242	0.001	13.11	0.04
3C 273	2018-01-23	11:57:12	2458141.99806	C	1.238	0.002	13.11	0.04
3C 273	2018-02-08	10:57:42	2458157.95674	C	1.243	0.005	13.11	0.04
3C 273	2018-02-12	09:36:19	2458161.90022	C	1.250	0.037	13.12	0.05
3C 273	2018-03-07	09:47:05	2458184.90770	C	1.222	0.002	13.09	0.04
3C 273	2018-03-16	06:40:51	2458193.77837	C	1.206	0.047	13.08	0.06
3C 273	2018-03-17	10:37:06	2458194.94243	C	1.221	0.002	13.09	0.04
3C 273	2018-04-08	06:51:50	2458216.78600	C	1.227	0.002	13.10	0.04
3C 273	2018-04-10	09:23:14	2458218.89113	C	1.237	0.005	13.11	0.04
3C 273	2018-04-12	08:28:18	2458220.85299	C	1.229	0.009	13.10	0.04
3C 273	2018-05-13	05:38:42	2458251.73521	C	1.239	0.002	13.11	0.04
3C 273	2018-05-15	05:22:13	2458253.72376	C	1.241	0.002	13.11	0.04
3C 273	2018-05-17	04:54:53	2458255.70478	C	1.237	0.002	13.11	0.04
3C 273	2018-06-12	05:30:21	2458281.72941	C	1.190	0.005	13.06	0.04
3C 273	2018-06-19	05:50:03	2458288.74309	C	1.230	0.001	13.10	0.04
3C 273	2018-06-21	04:53:16	2458290.70366	C	1.190	0.005	13.06	0.04
3C 273	2018-06-23	04:44:01	2458292.69723	C	1.218	0.002	13.09	0.04
3C 273	2018-07-06	04:43:16	2458305.69671	C	1.229	0.004	13.10	0.04